Springfield Massachusetts

Concrete
Concrete

The Best Concrete Services in Springfield Massachusetts : Exceptional Service Guaranteed

Premier concrete company in Springfield Massachusetts offering comprehensive solutions for all concrete needs. Expert installation, repair, and maintenance with a focus on durability and aesthetic appeal. Contact us today!

Click Here To Call Us (877) 848-1711
Concrete
Residential Concrete
Concrete
Commercial Concrete
Concrete
Emergency Servicing
Who Are We

Springfield Massachusetts Concrete Company

When it comes to reliable and durable concrete services in Springfield Massachusetts our company stands as the top choice for residential, commercial, and industrial projects. With years of experience and a commitment to excellence, we specialize in providing high-quality concrete solutions tailored to meet the unique needs of each client. Whether you're looking to install a new driveway, patio, sidewalk, or foundation, our team of skilled professionals ensures a flawless finish that lasts.
Our comprehensive services include concrete pouring, finishing, stamping, and repair, utilizing state-of-the-art techniques and materials to deliver exceptional results. We understand that each project is unique, which is why we offer personalized consultations to discuss your vision and provide expert recommendations.
In addition to our superior workmanship, we are dedicated to sustainability and use eco-friendly practices wherever possible. This commitment not only enhances the longevity of your concrete structures but also contributes to the overall well-being of the Springfield Massachusetts community.
Choose our concrete company for your next project and experience the difference that expertise and dedication can make. Contact us today to schedule your free consultation and take the first step towards a solid, long-lasting investment in your property.

Residential & commercial Concrete

Quality services at affordable prices

Immediate 24/ 7 emergency services

Concrete
Concrete

What causes cracks in concrete surfaces?

Cracks in concrete surfaces are a common concern for homeowners in Springfield Massachusetts but understanding their causes can help you prevent and address these issues effectively. At Hudson Concrete Contractors, we specialize in diagnosing and repairing concrete problems to ensure your surfaces remain durable and aesthetically pleasing.
Shrinkage During Curing
One of the primary causes of cracks is shrinkage during the curing process. As concrete dries and sets, it naturally contracts. If the concrete is not properly mixed or cured, this shrinkage can lead to surface cracks. Ensuring adequate curing and using appropriate mix ratios can minimize this risk.
Temperature Fluctuations
Concrete is sensitive to temperature changes. Extreme heat or cold can cause the concrete to expand or contract, leading to cracking. To mitigate this, it's important to pour concrete under optimal weather conditions and use expansion joints to accommodate movement.
Soil Movement and Settlement
Uneven soil settlement beneath a concrete slab can cause it to shift and crack. Issues such as poor compaction or soil erosion can lead to instability. Proper site preparation and soil compaction before pouring concrete are crucial to preventing such problems.
Heavy Loads and Structural Stress
Excessive weight or pressure on concrete surfaces can lead to cracking. For instance, parking heavy vehicles on a driveway or placing heavy equipment on a slab can exceed its load-bearing capacity. Designing concrete surfaces to handle expected loads and avoiding overloading are key to preventing damage.
Water Damage and Erosion
Water infiltration can weaken concrete and lead to cracks. Moisture can cause the concrete to expand and contract, or lead to erosion of the underlying soil. Applying sealers and ensuring proper drainage can help protect your concrete surfaces from water-related damage.
At Hudson Concrete Contractors, we offer expert solutions to address and repair cracks in concrete surfaces in Springfield Massachusetts . Contact us today for professional advice and top-quality concrete services to maintain the integrity and beauty of your concrete investments.

Residential & commercial Concrete

Quality services at affordable prices

Immediate 24/ 7 emergency services

Top-Rated Concrete in Springfield Massachusetts

Cement Contractors Near Me


If you’re looking for reliable cement contractors near you, our experienced team is ready to assist. We specialize in a broad range of cement services, from mixes to installations, ensuring that your project gets the attention it deserves. Our commitment to quality, safety, and customer service makes us the preferred choice in your area. Whether you’re embarking on a small home project or large construction site, we deliver top-notch results tailored to your specifications. Choose our cement contractors for a seamless and satisfying experience.

Call Us Now (877) 848-1711

Affordable Concrete Services


Budget constraints shouldn’t prevent you from getting quality concrete services. Our affordable concrete services in Springfield Massachusetts provide you with high-quality solutions without breaking the bank. We offer a range of services tailored to fit your budget, whether you need a new driveway, patio, or concrete resurfacing. By choosing us, you ensure that you're getting the best value for your investment, with no compromise on quality or service.

Call Us Now (877) 848-1711

Concrete Sealing Services


Protecting your concrete surfaces from wear and damage is essential for longevity. Our concrete sealing services in Springfield Massachusetts involve applying high-quality sealers that enhance the durability of your concrete and prevent moisture, stains, and UV damage. With our professional sealing, you can enjoy a cleaner, more durable surface that maintains its appearance over the years. Count on us to provide exceptional sealing services that safeguard your investment.

Call Us Now (877) 848-1711

Concrete Leveling Services


Uneven concrete surfaces can be frustrating and hazardous. Our concrete leveling services are designed to restore your surfaces to their original state, eliminating tripping hazards and enhancing the visual appeal. Our skilled technicians use advanced techniques such as mudjacking and poly leveling to correct uneven surfaces effectively. When you choose us, you can expect quality workmanship and a commitment to safety that ensures your property’s integrity.

Call Us Now (877) 848-1711

Concrete Foundation Installation in Springfield Massachusetts


The foundation is the most crucial element of your structure, and its installation must be executed flawlessly. Our concrete foundation installation services are designed to provide you with a solid base for your home or commercial building. We pay close attention to the design, soil conditions, and building codes to ensure that each foundation is laid correctly and effectively. Our skilled contractors work diligently to bring your project to life, using high-quality concrete that meets or exceeds industry standards. Trust us for a foundation that stands the test of time.

Call Us Now (877) 848-1711

Concrete Staining Services


If you want to enhance the aesthetic appeal of your concrete surfaces, our concrete staining services in Springfield Massachusetts are the perfect solution. We offer a variety of colorful options to customize your concrete, providing a rich, vibrant appearance that mimics natural stone. Our skilled professionals use high-quality stains and techniques to achieve a seamless and beautiful finish for patios, floors, and more. Concrete staining is not only visually appealing but also adds a layer of protection to your surfaces. Trust us to transform your concrete into a stunning centerpiece of your property.

Call Us Now (877) 848-1711

Concrete Construction Companies in Springfield Massachusetts


Among the many concrete construction companies, Concrete stands out due to our dedication to quality and customer satisfaction. Our comprehensive range of services covers everything from residential to commercial concrete applications, catering to every need. We focus on innovative solutions and use the best materials for all our projects, ensuring durability and visual appeal. Our experienced contractors are committed to delivering timely and cost-effective results that meet your expectations. Partner with us for your concrete projects and experience excellence in construction.

Call Us Now (877) 848-1711

Ready Mix Concrete Delivery


Our ready mix concrete delivery services provide a convenient solution for all your concrete needs. With a focus on punctuality and quality, we ensure that your concrete is mixed to perfection and delivered right when you need it. Our team is committed to maintaining the highest standards in concrete quality, guaranteeing that your projects flow seamlessly. By choosing us, you gain a reliable partner capable of meeting your demands efficiently and effectively.

Call Us Now (877) 848-1711

1234

Years Experience

1234

Expert Technicians

1234

Satisfied Clients

1234

Compleate Projects

Concrete
Why Choose Us

Professional Painters for Springfield Massachusetts ,

Why Choose Painting Vikmanic in Springfield Massachusetts ?
At Painting Vikmanic, we understand that choosing the right painting contractor is crucial to transforming your space. That’s why we are dedicated to providing exceptional painting services across all cities in Springfield Massachusetts . Our team of highly skilled professionals brings a wealth of experience and a passion for excellence to every project, ensuring your vision becomes a reality.
Why choose us? Our commitment to quality craftsmanship and customer satisfaction sets us apart. We use only the highest-quality materials and advanced techniques to deliver stunning, long-lasting results. Whether you’re looking to refresh your home’s interior, enhance your commercial property, or undertake a large-scale renovation, Painting Vikmanic has the expertise and resources to exceed your expectations.
Our services include everything from meticulous surface preparation to the application of beautiful finishes. We handle every aspect of your painting project with precision and care, ensuring a seamless and stress-free experience. Our attention to detail and dedication to excellence mean that we don’t just paint walls—we create enduring works of art.
Customer satisfaction is at the core of what we do. We offer free consultations and detailed estimates to ensure transparency and align with your budget. Our friendly and professional team is always ready to answer your questions and provide guidance, making the process as smooth and enjoyable as possible.
Choose Painting Vikmanic in Springfield Massachusetts for your next painting project and experience the difference that expert craftsmanship and exceptional service can make. Contact us today to get started!

Our Expert Concrete in Springfield MA

Concrete Contractors Near Me


When searching for the best concrete contractors near you, it can be overwhelming to sift through all the local options. At Concrete, we understand that you want reliable, professional, and affordable services. Our team of expert concrete contractors is committed to delivering exceptional quality and customer satisfaction. Whether it’s a new driveway, patio, or commercial project, we have the skills and resources to handle any size job. We pride ourselves on our strong reputation built on trust and quality work, making us the best choice for your concrete needs.

Call Us Now (877) 848-1711

Residential Concrete Services


Your home deserves nothing less than the best when it comes to concrete work. Our residential concrete services offer a range of options to enhance your property’s curb appeal and functionality. Whether you need a new driveway, patio, or decorative features, our skilled professionals work diligently to bring your vision to life. We take pride in our attention to detail and dedication to quality, ensuring that every project is completed on time and within budget. We use premium materials and advanced techniques to deliver superior results that not only meet but exceed your expectations. Trust us to transform your home with our unmatched residential concrete services.

Call Us Now (877) 848-1711

Commercial Concrete Contractors in Springfield Massachusetts


In the heart of any thriving business lies a commitment to quality and safety. Our commercial concrete contractors bring extensive industry experience to your projects, ensuring high-standard work that meets all regulations. From foundations to concrete flooring solutions, we are equipped to handle large-scale commercial projects efficiently and reliably. Choosing us means you are investing in a partner that understands the unique challenges of commercial construction and is dedicated to helping your business shine.

Call Us Now (877) 848-1711

Concrete Driveway Installation in Springfield Massachusetts


Your driveway is the first impression of your home, making it vital to choose a reputable contractor for its installation. Our dedicated team specializes in concrete driveway installation utilizing the best materials and techniques to create a durable, long-lasting surface that enhances your home’s curb appeal. Not only do our driveways withstand heavy traffic and the elements, but they also offer customization options such as color and texture, ensuring a perfect fit for your home's design. Trust Concrete for unmatched quality and service in driveway installations.

Call Us Now (877) 848-1711

Concrete Patio Installation


Transform your outdoor space into a beautiful oasis with our concrete patio installation services in Springfield Massachusetts . Patios provide the perfect venue for gatherings and family events, and our expert crew can design and build a patio that matches your lifestyle. Our process includes meticulous planning, custom design options, and quality craftsmanship. By choosing us, you gain a patio that is not only visually appealing but also crafted to withstand the elements and regular use, ensuring years of enjoyment.

Call Us Now (877) 848-1711

Stamped Concrete Services


Stamped concrete offers a unique and stylish alternative to traditional concrete surfaces. Our stamped concrete services in Springfield Massachusetts provide the opportunity to achieve the look of high-end materials like stone or brick at a fraction of the cost. Our skilled artisans use advanced techniques to create stunning patterns and designs that will elevate your residential or commercial property. Whether for driveways, patios, or walkways, our stamped concrete not only adds visual appeal but also durability, making it a smart investment. Experience the beauty of stamped concrete today by choosing Concrete.

Call Us Now (877) 848-1711

Concrete Foundation Repair in Springfield Massachusetts


A strong foundation is crucial for the integrity of any structure. If you suspect that your foundation may be compromised, our concrete foundation repair services are here to help. We understand the signs of foundation issues, from cracks and uneven floors to water intrusion, and our expert team knows how to address them effectively. Using advanced techniques and top-quality materials, we provide reliable repairs that restore the stability and safety of your property. When you choose us for your foundation repair project, you gain a committed partner dedicated to ensuring your home remains a safe and secure environment.

Call Us Now (877) 848-1711

Concrete Slab Installation


Concrete slabs serve as the backbone of your structures, providing a durable and solid foundation. Our concrete slab installation services in Springfield Massachusetts are conducted with precision and care, ensuring every slab we pour meets the highest standards of quality. Whether for residential or commercial projects, our experienced crew utilizes the best practices and equipment to deliver slabs that are perfectly level and structurally sound. Investing in our services means investing in the stability and integrity of your building.

Call Us Now (877) 848-1711

Decorative Concrete Services


Decorative concrete adds flair and style to traditional concrete surfaces. Our decorative concrete services include a wide range of finishes and techniques, such as coloring, staining, and stamping. We work closely with our clients to design surfaces that are not only functional but also enhance the beauty of their spaces. With our attention to detail and commitment to quality, you can trust that your decorative concrete will make a lasting impression.

Call Us Now (877) 848-1711

Concrete Resurfacing Services in Springfield Massachusetts


Over time, concrete surfaces can suffer from wear and tear, leading to unsightly cracks and stains. Our concrete resurfacing services provide an effective solution to rejuvenate and restore your surfaces. Whether it’s your driveway, patio, or flooring, we apply a high-quality resurfacer that covers imperfections and improves the overall appearance. Our team uses advanced techniques to ensure a smooth and durable finish that can withstand the elements. If you want to refresh your concrete surfaces without the cost of complete replacement, choose our trusted resurfacing services.

Call Us Now (877) 848-1711

Concrete Repair Contractors in Springfield Massachusetts


When your concrete surfaces suffer damage, you need expert concrete repair contractors that you can trust. At Concrete, our team specializes in identifying and repairing cracks, chips, and other issues to restore your concrete to its original condition. We utilize high-quality materials and proven methods to ensure effective repairs that last. Our focus on customer satisfaction and attention to detail makes us the ideal choice for concrete repairs. Let us help you protect your investment with our comprehensive repair services.

Call Us Now (877) 848-1711

Sidewalk Concrete Repair in Springfield Massachusetts


Sidewalks play a vital role in accessibility and safety in your community. Our sidewalk concrete repair services ensure that your sidewalks remain smooth, safe, and visually appealing. We specialize in repairing cracks, lifting uneven slabs, and restoring surfaces to their original condition. Our team is dedicated to providing quick, efficient service, minimizing disruption to foot traffic while we work. With our expertise, your sidewalks will be restored to a safe and welcoming condition. Choose our sidewalk repair services to maintain a safe walking environment for your family and community.

Call Us Now (877) 848-1711

Concrete Floor Installation in Springfield Massachusetts


Concrete floors offer unmatched durability and versatility for both residential and commercial venues. Our concrete floor installation services are designed to provide you with a strong, long-lasting surface that can withstand heavy use while looking aesthetically pleasing. We specialize in a variety of finishes and styles, including polished concrete, stained floors, and more, allowing you to customize the look to fit your space. Our skilled team ensures a professional installation process that covers everything from preparation to finishing touches. Trust us for high-quality concrete flooring that enhances your property’s appeal and functionality.

Call Us Now (877) 848-1711

Concrete Removal Services in Springfield Massachusetts


Sometimes, old or damaged concrete needs to be removed to make way for new construction or to improve safety and aesthetics. Our concrete removal services in Springfield Massachusetts are thorough and efficient, ensuring that debris is cleared promptly while minimizing disruption to your property. We handle all types of concrete removal projects, from small patios to large commercial slabs. With our experienced team, you can trust that your site will be properly prepared for whatever comes next.

Call Us Now (877) 848-1711

Local Concrete Companies in Springfield Massachusetts


Finding a reliable local concrete company can make all the difference in your construction projects. At Concrete, we pride ourselves on being a trusted choice among local concrete companies in Springfield Massachusetts . Our commitment to quality, affordability, and customer service has made us a preferred contractor for all concrete services. We are deeply rooted in the community and dedicated to providing top-notch services tailored to meet the specific needs of our clients. Partner with us for your next concrete project, and experience the local difference.

Call Us Now (877) 848-1711

Best Concrete Contractors in Springfield Massachusetts


When searching for the best concrete contractors look no further than our trusted team. We have built a solid reputation for delivering outstanding results across various concrete services, such as residential installations, commercial projects, and specialized repairs. Our experienced contractors prioritize quality materials and meticulous workmanship, ensuring that every job meets the highest standards. With our customer-centric approach, satisfaction is always our priority, making us the best choice for your concrete needs.

Call Us Now (877) 848-1711

Concrete Pouring Services


Concrete pouring is a skilled task that requires precision and expertise. Our concrete pouring services are designed to provide you with a flawless and efficient pouring process, whether you need foundations, driveways, or any other concrete application. We utilize advanced equipment and high-quality materials to ensure your concrete is poured accurately and with minimal fuss. Our team works diligently to meet your project timeline and requirements, guaranteeing that you receive a smooth, durable finish for your concrete surfaces. Trust us to handle your concrete pouring needs with professionalism and care.

Call Us Now (877) 848-1711

What factors affect the durability and lifespan of concrete?

Understanding the factors that impact the durability and lifespan of concrete is essential for maintaining long-lasting and high-quality surfaces in Springfield Massachusetts . At Hudson Concrete Contractors, we are dedicated to ensuring your concrete projects stand the test of time through proper techniques and expert care.
Mix Quality and Proportions
The quality of the concrete mix and the accuracy of its proportions significantly affect its durability. A well-balanced mix of cement, water, and aggregates ensures a strong and resilient surface. Using high-quality materials and following precise mixing guidelines prevent weaknesses that can lead to premature deterioration.
Proper Curing Techniques
Curing is crucial for the development of concrete’s strength and durability. Insufficient curing can result in a weaker surface that is more susceptible to cracks and damage. Ensuring proper curing practices, including maintaining adequate moisture and temperature, helps the concrete achieve its optimal strength and longevity.
Environmental Conditions
Exposure to harsh environmental conditions, such as extreme temperatures, heavy rainfall, or high levels of salt, can impact concrete’s durability. In Springfield Massachusetts it’s essential to consider local weather conditions and take preventive measures, such as using protective sealers and additives, to enhance the concrete’s resistance to environmental stressors.
Load and Stress Factors
The amount of weight and stress placed on concrete surfaces affects their lifespan. Overloading or using concrete that isn’t reinforced for the intended load can lead to premature failure. Designing concrete mixes and structures to accommodate expected loads ensures long-term performance.
Site Preparation and Installation
Proper site preparation and installation are fundamental to concrete durability. Adequate ground preparation, proper compaction, and correct installation techniques help prevent issues such as uneven settling and surface cracking. Ensuring that these steps are completed with precision leads to a more durable concrete surface.
For expert guidance on enhancing the durability and lifespan of your concrete surfaces in Springfield Massachusetts trust Hudson Concrete Contractors. Contact us today to learn more about how we can help you achieve and maintain superior concrete quality.

Concrete

Concrete

24 Hours 7 Days a Week

Areas We Serve Concrete in Springfield, MA





Popular Zip Codes



01151
01144
01118
01119
01129
01128
01107
01105
01104
01103
01109
01108
01101
01102
01111
01115
01138
01139
01152
01199


Springfield, MA Insights: Population, Influence, and Service Areas

Springfield is the largest city in and the seat of Hampden County, Massachusetts, United States. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers: the western Westfield River, the eastern Chicopee River, and the eastern Mill River. At the 2020 census, the city's population was 155,929, making it the third-largest city in the Commonwealth of Massachusetts and the fourth-most populous city in New England after Boston, Worcester, and Providence. Metropolitan Springfield, as one of two metropolitan areas in Massachusetts (the other being Greater Boston), had a population of 699,162 in 2020.

FAQ - Concrete Services

Does Hudson Concrete Contractors use reinforcement in concrete installations

Yes, we use steel reinforcement (rebar or mesh) in concrete installations to increase strength and durability .

Does Hudson Concrete Contractors repair uneven concrete

Yes, we provide concrete leveling and repair services in Springfield Massachusetts to fix uneven or sunken surfaces.

Is concrete environmentally friendly?

Concrete is a sustainable material, especially when recycled. Hudson Concrete Contractors follows environmentally friendly practices .

What preparation is needed before a concrete project in Springfield Massachusetts ?

Proper site preparation, including grading and leveling, is crucial. Hudson Concrete Contractors handles all prep work to ensure a smooth, durable installation .

How long should I wait before using a new concrete driveway in Springfield Massachusetts ?

We recommend waiting at least 7 days before driving on a new concrete driveway installed by Hudson Concrete Contractors in Springfield Massachusetts .

Does Hudson Concrete Contractors provide free estimates in Springfield Massachusetts ?

Yes, Hudson Concrete Contractors offers free, no-obligation estimates for all concrete projects .

Does Hudson Concrete Contractors install concrete sidewalks

Yes, we provide concrete sidewalk installation and repair services for residential and commercial properties .

Can Hudson Concrete Contractors create custom concrete designs in Springfield Massachusetts ?

Yes, we offer custom concrete design services, including decorative, stamped, and colored options to match your vision .

When is the best time to pour concrete in Springfield Massachusetts ?

The best time to pour concrete in Springfield Massachusetts is during mild weather conditions, typically in spring or fall, but we can work year-round.

How much does concrete work cost

The cost of concrete work depends on the project's size and complexity. Hudson Concrete Contractors offers competitive pricing and free estimates .

Can Hudson Concrete Contractors handle commercial concrete projects in Springfield Massachusetts ?

Absolutely. Hudson Concrete Contractors has extensive experience managing large-scale commercial concrete projects .

Can Hudson Concrete Contractors pour concrete in winter

Yes, we use special techniques and additives to pour concrete in cold weather conditions ensuring proper curing.

Does Hudson Concrete Contractors provide resurfacing services

Yes, we offer concrete resurfacing services in Springfield Massachusetts to restore old, worn-out surfaces and make them look brand new.

Is Hudson Concrete Contractors licensed and insured

Yes, Hudson Concrete Contractors is fully licensed and insured to provide professional and safe concrete services .

Can Hudson Concrete Contractors build concrete retaining walls in Springfield Massachusetts ?

Yes, we offer durable concrete retaining wall construction in Springfield Massachusetts for both residential and commercial properties.

Does Hudson Concrete Contractors offer colored concrete options

Yes, we offer a variety of colored concrete options to enhance the appearance of your patios, driveways, or walkways in Springfield Massachusetts .

What maintenance is required for concrete

Concrete is low-maintenance but sealing every few years and occasional cleaning can help prolong its life. Hudson Concrete Contractors provides maintenance tips .

Does Hudson Concrete Contractors offer stamped concrete in Springfield Massachusetts ?

Yes, we specialize in stamped concrete services offering decorative options to mimic stone, brick, or tile.

Can Hudson Concrete Contractors handle large-scale projects

Yes, Hudson Concrete Contractors has the expertise and equipment to manage large commercial and residential concrete projects .

What services does Hudson Concrete Contractors offer

Hudson Concrete Contractors provides a range of services including driveways, patios, foundations, sidewalks, and decorative concrete installations.

What is the difference between concrete and cement?

Cement is a key ingredient in concrete. Concrete is a mixture of cement, sand, gravel, and water. Hudson Concrete Contractors uses high-quality concrete for all projects in Springfield Massachusetts .

Does Hudson Concrete Contractors offer demolition services in Springfield Massachusetts ?

Yes, we offer concrete demolition and removal services for old or damaged concrete .

How long does it take for concrete to cure

Concrete typically takes around 28 days to fully cure, but it can be walked on within 24-48 hours. Hudson Concrete Contractors advises waiting longer for heavy loads.

Does Hudson Concrete Contractors install concrete foundations in Springfield Massachusetts ?

Yes, Hudson Concrete Contractors provides expert concrete foundation installation for homes and commercial buildings .

How long does a typical concrete project take

The time frame depends on the project size, but most concrete projects by Hudson Concrete Contractors are completed within 3-7 days .

How long can a concrete driveway last

A properly installed concrete driveway by Hudson Concrete Contractors can last up to 30 years with proper maintenance in Springfield Massachusetts .

Can Hudson Concrete Contractors repair cracked concrete

Yes, we provide professional concrete repair services in Springfield Massachusetts to fix cracks, spalling, and other damage.

What type of concrete is best for driveways

Hudson Concrete Contractors recommends high-strength, durable concrete mixes designed for heavy traffic and weather resistance for driveways in Springfield Massachusetts .

Is concrete a good choice for patios

Concrete is an excellent option for patios due to its durability, low maintenance, and customization options for color and texture.

Does Hudson Concrete Contractors offer residential concrete services

Yes, Hudson Concrete Contractors provides residential concrete services such as driveway, patio, and walkway installations .

Testimonial

Our Clients Say!


Other Services: solar panels / Garage Door repair