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PROVA Seal Hybrid Silicone Waterproof Sealant & Adhesive

PROVA Seal Hybrid Silicone Waterproof Sealant & Adhesive

$27.44
$27.44 - $299.94
$27.44
$21.95
$21.95 - $239.95
$21.95

PROVA Seal — the next-generation hybrid silicone shower waterproof sealant that combines the flexibility of silicone with the strength of an adhesive, creating a 100% waterproof, long-lasting bond that stands up to movement, moisture, and time. Ideal for waterproofing and bonding backer boards, PROVA-Seal ensures every project stays watertight, & solid for years to come.

  • 100% Waterproof & Airtight – Forms a permanent, sealed barrier 
  • High Bonding Strength – Sealant & adhesive in one - bonds firmly to tile, XPS boards, metal, wood, and concrete—no primer needed.
  • Flexible & Crack-Resistant – Handles expansion & contraction.
  • Paintable, Non-Staining – Hybrid silicone is paintable once cured.
  • Low Odor, Low VOC – Installer-friendly and safe for indoor applications.
  • UV, Mold & Mildew Resistant – Maintains durability and cleanliness.
  • Fast Skin & Cure Time – Saves valuable jobsite time.
Specifications

Cartridge Size: 9.5 fl. oz./oz liq. (280 ml)
Color: White
Type: Single-component, premium hybrid silicone sealant
Coverage: 52 linear feet with 3/16” (5 mm) bead
Tooling Time: 15 minutes
Skin-forming Time: 30 minutes
Uses: PROVA Board Shower System, sinks, counters, hardboard, penetrations.
Substrates: Masonry, brick, PVC, concrete, marble, porcelain, ceramic tile, metals, wood, glass, backer board.

Certifications:

  • Meets ASTM specification C-920, Type-S, NS Class 25, use NT, M, G, A, and O
  • Meets Fed. Spec. TT-S-00230C and TT-S-001543A
  • Paintable
  • Useable in interior/exterior applications

Limitations:

  • Not intended for areas continually submerged in water
  • Not for surfaces that come in contact with food
  • Not for use in aquariums
Downloads

Installation Instructions: PROVA Board Plus+ Installation Instructions.pdf
Sell Sheet: PROVA Board Plus+ Sell Sheet.pdf
Product Sheet: PROVA Seal Data Sheet.pdf
Safety Data Sheet: PROVA Seal Safety Data Sheet.pdf
Warranty: PROVA Tile Installation Products Lifetime Warranty.pdf

Select Pack Size: 1 pack
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Seal, Bond, and Protect—All in One Compound

Seal, Bond, and Protect—All in One Compound

  • 100% Waterproof & Airtight – Creates a permanent moisture barrier that prevents leaks around tiles, joints, and penetrations in showers, wet rooms, and floor systems.

  • Superior Adhesion – Functions as both a sealant and an adhesive, forming a powerful bond to tile backer boards, tiles, metal trims, plastics, wood, and concrete—no primer required.

  • Long-Term Durability – Stays flexible and secure under movement, heat, and vibration—maintaining a watertight seal and reliable bond for years.

  • Fast Skin & Cure Time – Forms a waterproof skin quickly, even on slightly damp surfaces, allowing faster progress on site.

  • System Compatible – Designed for seamless use with PROVA Board Plus+ and PROVA Fasteners, ensuring a watertight, warrantied result.

  • Lifetime System Warranty – Covered under the PROVA Lifetime Warranty when used as part of the complete PROVA Board Waterproofing System
Unique Formula, Unique Performance

Unique Formula, Unique Performance

  • Hybrid Polymer Formula – Advanced hybrid chemistry combines the flexibility of silicone with the strength of polyurethane for superior performance.

  • Single-Component Application – Ready to use straight from the tube—no mixing, no primer, and no special tools required.

  • Versatile Bonding Power – Adheres to virtually any surface, including tile, backer board, metal, glass, wood, and concrete.

  • Flexible & Crack-Resistant – Absorbs movement, expansion, and temperature changes without compromising the seal— the ideal waterproofing sealer for showers and wet areas.

  • Paintable, Non-Staining Finish – Can be painted after curing for a professional, seamless look—safe for natural stone and sensitive finishes.

  • UV & Weather Resistant – Maintains elasticity and appearance indoors or outdoors, won’t yellow, chalk, or degrade.

  • Low VOC & Solvent-Free – Installer-safe, low-odor, and environmentally friendly for indoor applications.

Testimonials