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Fabriseal

Sprayable Seam Sealer with Built-In Fiber Reinforcement

Fabriseal is a single-component, fiber-reinforced acrylic seam sealer designed to create durable, flexible seals over joints, fasteners, and penetrations on commercial roofing systems. This sprayable solution combines the strength of embedded fibers with the convenience of a water-based acrylic formula, eliminating the need for separate fabric reinforcement.

Engineered for efficiency and long-term performance, Fabriseal bonds tenaciously to a variety of substrates while maintaining exceptional flexibility through thermal cycles and building movement. Its advanced polymer technology ensures superior adhesion and weather resistance, making it the ideal choice for sealing critical roof details that demand both strength and elasticity.

Fabriseal Product

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Features & Benefits

Built-In Fiber Reinforcement

  • Pre-mixed fiber technology eliminates fabric installation steps
  • Creates a monolithic, reinforced seal in a single application
  • Superior bridging capabilities for moving joints and cracks

Exceptional Adhesion & Flexibility

  • Bonds to metal, concrete, modified bitumen, and most roof surfaces
  • Maintains flexibility from -30°F to 200°F
  • Accommodates thermal expansion and contraction without cracking

Fast & Easy Application

  • Sprayable formula for rapid coverage of large areas
  • Also suitable for brush or roller application
  • Self-leveling properties ensure uniform thickness
  • No mixing required - ready to use from the container

Weather-Resistant Performance

  • UV-stable formulation prevents degradation
  • Excellent ponding water resistance
  • Resists dirt pickup to maintain appearance
  • Compatible with most roof coating systems

Environmentally Friendly

  • Water-based, low-VOC formula
  • Non-toxic and low-odor application
  • Easy soap and water cleanup
  • Contributes to sustainable building practices

Where to Use It

Ideal for sealing and waterproofing critical roof details:

Seams, joints, and transitions on metal, modified bitumen, and single-ply roofs
Around roof penetrations, HVAC units, and equipment curbs
Over fasteners, screws, and mechanical attachments
Repair of cracks, splits, and small holes in existing roof membranes
Pre-treatment of high-stress areas before topcoat application

Technical Highlights

Solids by Volume58%
Application Rate1.5 - 3 gallons per 100 sq. ft.
Dry Film Thickness20-40 mils per coat
Temperature Range-30°F to 200°F
Tensile Strength250 psi
Elongation300%
Tear Resistance45 lbs/inch
Adhesion to Metal25 pli
VOC Content< 50 g/L
Coverage50-100 sq. ft. per gallon
Dry Time2-4 hours @ 70°F, 50% RH
Full Cure24-48 hours
Application Temperature50°F to 120°F
Shelf Life2 years unopened
Available ColorsWhite, Gray (custom colors available)

* Coverage rates vary based on substrate texture and application thickness

* Contact a NanoTech representative for project-specific recommendations

Request a Quote

Contact our team to get pricing information and discuss your project requirements for Fabriseal and polyester fabric options.

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Seal with Confidence - Protect Your Investment

Don't let small gaps become big problems. Fabriseal's fiber-reinforced technology creates bulletproof seals that move with your roof, resist ponding water, and stand up to UV exposure year after year. From routine maintenance to critical repairs, it's the professional's choice for sealing roof details quickly, effectively, and permanently.