sealants and coatings in Tampa

Keeping water where it belongs is critical for any structure. National Waterproofing Supply offers a complete range of high-performance waterproofing products suitable for foundations, roofs, tunnels, parking decks, and below-grade applications. We carry liquid membranes, sheet membranes, crystalline waterproofing, and cementitious coatings from industry-leading brands like Tremco and REMA.

Our waterproofing materials are designed for long-lasting protection against hydrostatic pressure and moisture intrusion. Whether you are a general contractor working on a mixed-use high-rise or a homeowner tackling a basement remodel, we have the right solution. Our team will help you choose the correct system for your specific substrate and exposure conditions, including options for positive or negative side waterproofing. All products meet or exceed ASTM standards, ensuring your building remains dry and durable for decades. With our expansive inventory across our Denver, Tampa, Orlando, South FL, and now Loveland locations, we can deliver the materials you need when you need them. We also offer free local delivery to job sites, saving you time and transportation costs. Choose National Waterproofing Supply for expert guidance, competitive pricing, and the reliable waterproofing your project demands.

From high-rise curtain walls to concrete pavement joints, the right sealant and coating make the difference between a failing building envelope and a lasting installation. National Waterproofing Supply stocks a wide assortment of polyurethane, silicone, hybrid, and acrylic sealants suited for moving joints, glazing, and weatherproofing. We also supply high-performance protective coatings including elastomeric roof coatings, traffic-bearing deck coatings, and anti-graffiti finishes.

Our experienced staff can guide you through selecting the optimal sealant for your substrate—whether it is concrete, metal, wood, or glass. We carry products with excellent adhesion, UV resistance, and elongation properties. For coating projects, we offer moisture-cured urethanes, epoxies, and fluid-applied membranes that provide durable, seamless protection. All our sealants and coatings are sourced from top manufacturers known for innovation and reliability. We serve commercial, industrial, and residential clients throughout Orlando and ship nationwide. Because we understand that job delays are costly, we maintain deep stock levels and offer customized pricing for bulk orders. Let us help you protect your investment with quality materials that perform.

Cracked spalls, deteriorated joints, and unsealed penetrations compromise safety and structural integrity. National Waterproofing Supply provides a full line of concrete repair mortars, patching compounds, grouts, and bonding agents. We also offer a complete selection of firestopping materials including intumescent sealants, fire-rated pillows, putties, and wraps designed to maintain fire-resistance ratings in walls and floors.

For concrete repair, we carry fast-setting cements, polymer-modified overlays, and corrosion-inhibiting products that restore load capacity and surface finish. Whether you need to repair a highway bridge, a warehouse floor, or a parking garage, our materials deliver strong adhesion and long-term durability. When it comes to firestopping, we understand code compliance is non-negotiable. Our firestop products are tested to ASTM E814 and UL 1479 standards, ensuring they block smoke and flames through penetrations. Our team can help you match the right firestop system to your specific penetration type—plastic pipes, metallic pipes, cables, or mixed bundles. We also offer training resources and technical support. Rely on National Waterproofing Supply for quality concrete repair and firestopping solutions.