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What is Poly-Sil?

Poly-Sil is a mildew and moisture resistant, 100% silicone sealant specifically formulated for the needs of today’s professional fabricator and installer. With over 100 color choices, Poly-Sil offers the perfect finishing touch for the granular patterns of granite, quartz, solid surfaces, textured products, and laminates. Poly-Sil is also available in custom colors, so it’s the perfect match for your project, every time! Poly-Sil’s color coordination achieves the professional finish required by today’s architects/designers and homeowners. Having excellent adhesion, flexibility and moisture resistance makes Poly-Sil the choice for professionals needing 100% RTV Silicone Sealant.

Poly-Sil Applications

  • Bathroom Fixtures
  • Concrete Countertops
  • Engineered Stone
  • FRP/FRL Panels
  • Granite
  • Grout
  • Laminates
  • Limestone
  • Marble
  • Quartz Surfaces
  • Solid Surfaces
  • Stone
  • Tile
  • Shower

Poly-Sil Specifications

Mildew Resistant Yes
Moisture Resistant Yes
Paintable No
Flexibility +/- 25%
VOC Compliant Yes  < 30 g/L
Odor Mild
Service Temperature -35°F to 350°F
Cold Weather Extrusion -35°F
Material 100% RTV Silicone Sealant
Packaging 6 fl. oz. (178.5 mL) Cartridge

Poly-Sil Coverage Chart

DxW 1/8″ 3/16″ 1/4″ 5/16″ 3/8″
 1/8″ 57.8 38.5 28.9 23.1 19.3
 3/16″ 38.5 25.7 19.3 15.4 12.9
1/4″ 28.9 19.3 14.5 11.6 9.6
5/16″ 23.1 15.4 11.6 9.2 7.7
3/8″ 19.3 12.9 9.6 7.7 6.4