Trusted Waterproofing Contractors in Long Island
Complete Waterproofing Solutions for Homes and Businesses
At Countywide Paving & Masonry, we provide expert waterproofing services for residential and commercial properties across Suffolk County, Long Island, including Brentwood, Huntington, Smithtown, Islip, Riverhead, Brookhaven, Wading River, Bellport, Patchogue, Calverton, and surrounding areas. Protecting your property from water intrusion is essential to maintaining structural integrity, preventing damage, and ensuring a safe indoor environment.
Water damage can occur in many forms, from foundation cracks and basement leaks to poor drainage and internal moisture issues. Without proper waterproofing, these problems can lead to mold growth, weakened structures, and costly repairs. Our team specializes in identifying the root cause of water issues and delivering tailored waterproofing solutions designed for long-term protection.
We use proven waterproofing techniques, including foundation sealing, basement waterproofing systems, sump pump installation, and internal leak repairs, to ensure your property remains dry and secure. Every project begins with a detailed inspection, allowing us to recommend the most effective approach based on your property’s condition and requirements.
Long Island’s climate, with frequent rainfall and seasonal temperature changes, makes waterproofing a critical investment for homeowners and businesses. Our solutions are designed to withstand these conditions, providing reliable protection and long-lasting performance.
At Countywide Paving & Masonry, we are committed to delivering high-quality waterproofing services that safeguard your property, prevent future issues, and give you peace of mind.
Our Waterproofing Services
Complete Moisture Protection & Water Control Solutions
Basement Waterproofing
Below-Grade Waterproofing
Foundation Waterproofing
Drainage Waterproofing Systems
Deck & Balcony Waterproofing
Internal Leak Sealing / Injection Systems
Exterior Wall Waterproofing
Roof Waterproofing (Flat & Low-Slope Roofs)
Foundation Waterproofing Services in Long Island, NY
Protect Your Property’s Structure from Moisture Damage
At Countywide Paving & Masonry, we provide professional foundation waterproofing services across Suffolk County, Long Island, including Brentwood, Huntington, Smithtown, Islip, Riverhead, Brookhaven, Wading River, Bellport, Patchogue, Calverton, and surrounding areas. Your foundation is one of the most important structural components of your property, and protecting it from water intrusion is essential for long-term stability.
Water can enter through foundation cracks, poor drainage, or soil pressure, leading to serious issues such as structural weakening, mold growth, and interior damage. Our foundation waterproofing solutions are designed to create a strong barrier that prevents moisture penetration and protects your property from long-term damage.
We begin with a detailed inspection to identify vulnerabilities and determine the best waterproofing approach. Our services include crack sealing, waterproof coatings, drainage improvements, and exterior protection systems. Proper grading and water management are also implemented to direct water away from your foundation.
With Long Island’s changing weather conditions, including heavy rainfall and temperature fluctuations, foundation waterproofing is a critical investment. Our solutions are built to withstand these conditions and provide reliable, long-lasting protection.
Basement Waterproofing Services in Long Island, NY
Keep Your Basement Dry & Protected Year-Round
Countywide Paving & Masonry offers expert basement waterproofing services in Long Island to help protect your property from water intrusion and moisture damage. Serving Suffolk County, we deliver reliable solutions designed to keep basements dry, safe, and functional.
Basement moisture can lead to mold growth, structural issues, and poor air quality if not properly addressed. Our waterproofing solutions are designed to eliminate these risks by preventing water from entering and controlling moisture levels effectively.
We perform detailed inspections to identify the source of water intrusion, including cracks, drainage issues, and hydrostatic pressure. Our solutions include interior sealing, exterior waterproofing systems, drainage improvements, and sump pump integration.
Designed for Long Island’s climate, our basement waterproofing services provide long-term protection against heavy rainfall and groundwater pressure.
Sump Pump Installation in Long Island, NY
Reliable Water Removal Systems for Basement Protection
At Countywide Paving & Masonry, we provide professional sump pump installation services across Long Island to help prevent basement flooding and water damage. Our systems are designed to efficiently remove excess water and protect your property.
A sump pump is essential for managing water accumulation, especially during heavy rainfall or rising groundwater levels. Without proper drainage, water buildup can lead to structural damage and costly repairs.
We assess your property’s needs and install high-performance sump pump systems with proper discharge and backup options. Our installations are designed for reliability and long-term performance in Suffolk County conditions.
Internal Leak Repair Services in Long Island, NY
Effective Solutions for Water Damage & Moisture Issues
Countywide Paving & Masonry provides professional internal leak repair services across Suffolk County, Long Island. Internal leaks can cause serious damage if not addressed quickly, affecting walls, ceilings, and structural components.
Leaks may originate from roofing issues, foundation cracks, or plumbing problems. Our team identifies the source through detailed inspections and applies targeted repair solutions to eliminate the issue completely.
We focus on both repair and prevention, ensuring long-term protection against future leaks. Our solutions are designed to withstand Long Island’s weather conditions and provide lasting results.
Our Waterproofing Projects Across Long Island
Reliable Protection You Can Trust
Benefits of Professional Waterproofing in Long Island
Protect Your Property & Prevent Costly Damage
Prevents Water Damage
Improves Structural Integrity
Reduces Mold & Mildew
Increases Property Value
Enhances Indoor Comfort
Why Choose Our Waterproofing Services in Long Island
Reliable Protection Backed by Experience
Experienced Waterproofing Specialists
Proven Moisture Protection Systems
High-Quality Waterproofing Materials
Reliable & Efficient Service
Transparent & Competitive Pricing
Trusted Across Suffolk County
Areas We Serve Across Long Island
Proudly Serving Suffolk County and Surrounding Communities
We also specialize in roofing solutions, gutter systems, siding, chimney repairs, and advanced waterproofing services to protect your property from the elements. Every project is handled with precision, using high-quality materials and proven techniques to ensure long-lasting results across Suffolk County and surrounding areas.
With a strong focus on craftsmanship, attention to detail, and customer satisfaction, we use high-quality materials and proven techniques to ensure lasting performance. Proudly serving Suffolk County and surrounding Long Island communities, we are committed to delivering dependable service, honest pricing, and results that stand the test of time.