Service Area
Port Jefferson Station
Construction Supply Products
9 Brothers Building Supply proudly serves as your premier destination for Port Jefferson Station construction supply, offering a meticulously curated selection of top-tier products tailored for reliability and quality. Whether you're a homeowner embarking on a DIY project or a seasoned contractor managing commercial builds, our comprehensive inventory and dedication to excellence ensure we have the right solutions to meet your construction needs.
Explore Our Extensive Range of Port Jefferson Station Construction Supply Products:
ADA Solutions: Enhance accessibility with our range of ADA-compliant solutions, including ramps, detectable warning surfaces, and more, ensuring that your projects meet all necessary accessibility standards.
Concrete Compounds & Chemicals: From concrete sealers to curing compounds, find everything you need to ensure durable concrete construction. Our selection of concrete compounds and chemicals ensures that your structures remain robust and resilient.
Concrete Forms & Accessories: Choose from a variety of forms and accessories to streamline concrete pouring and finishing processes. Our products help you achieve precise and efficient concrete work, essential for high-quality construction.
Concrete Mix: Explore our selection of concrete mixes formulated for different applications, ensuring strength and durability in your projects. Whether for foundations, driveways, or specialized structures, our concrete mixes meet all your project needs.
Vapor Barriers: Protect structures from moisture damage with our vapor barrier solutions, crucial for maintaining building integrity. Our products help prevent the infiltration of moisture, ensuring the longevity of your constructions.
Egress Products: Ensure safety and compliance with our egress products, including window wells, covers, and escape ladders. Our egress solutions are designed to provide safe and accessible exits in case of emergencies.
Geotextiles & Drainage Materials: Manage water effectively with geotextiles and drainage materials designed to enhance soil stability and water flow. Our products help you address drainage issues, improving the overall health of your construction site.
Lumber Yard: Discover high-quality lumber for framing, decking, and general construction purposes, available in various grades and sizes. Our lumber selection supports all types of construction projects, from small renovations to large-scale builds.
Steel Products: From rebar to structural steel, we provide robust steel products essential for construction projects requiring strength and stability. Our steel offerings are ideal for reinforcing concrete, creating frameworks, and other critical applications.
Swimming Pool Building Materials: Find pool construction essentials such as pool rebar, forms, and waterproofing materials to create a lasting aquatic environment. Our products help you build durable and aesthetically pleasing swimming pools.
Safety Equipment: Ensure worksite safety with our comprehensive range of safety gear, including personal protective equipment (PPE) and safety harnesses. We prioritize your safety with our top-notch safety equipment, keeping your workforce protected.
Styrofoam Insulation: Enhance energy efficiency with our Styrofoam insulation products, ideal for insulating foundations, walls, and roofs. Our insulation solutions help reduce energy costs and improve the comfort of your buildings.
Tools & Hardware: From hand tools to power tools and hardware, equip yourself with the tools necessary for efficient construction work. Our extensive range of tools and hardware ensures you have everything you need for any task.
Waterproofing Materials: Protect structures from water damage with our waterproofing membranes, coatings, and sealants designed for long-lasting protection. Our waterproofing solutions are essential for maintaining the integrity of your constructions.
Visit our Setauket-East Setauket location to experience our construction supply products firsthand. Our knowledgeable staff is dedicated to assisting you in finding the right materials and solutions for your project needs. At 9 Brothers Building Supply, we are committed to excellence, ensuring that every construction endeavor—from small renovations to large-scale builds—is supported with superior products and expert advice. Trust us to help turn your construction dreams into reality with our quality-driven approach and extensive product offerings.
Port Jefferson Station, NY is located in Suffolk County on Long Island

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70 Comsewogue Rd SUITE 9 Setauket-East Setauket, NY 11733 Phone: (631) 928-4665