GAF FlexSeal Caulk Grade Sealant — White, 5-Gallon Pail

GAF FlexSeal Caulk Grade Sealant — White, 5-Gallon Pail

Regular price $16.50

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FlexSeal Caulk-Grade Elastomeric Sealant (White, 5 Gal)

A solvent-based synthetic elastomeric sealant engineered for caulk applications. The caulk-grade formula delivers higher viscosity for controlled application, exceptional flexibility, and durable seals on properly cleaned, dry surfaces.


Key Features:

  • Caulk-Grade Control: Higher-viscosity formulation for precise bead placement and minimal slump
  • Durable Flexibility: Synthetic elastomeric chemistry designed to move with joints and resist cracking
  • Ready for Demanding Jobs: Suited for applications where traditional caulk is used
  • White Finish: Clean, professional appearance for visible seal lines
  • Standards-Tested: Listed with ASTM D412, D920, D2196, and D1475

Specifications Table:

Specification Details
Color White
Packaging 5 Gallon Pail
Unit of Measure PL
Item Weight 55 lb
Brand GAF
Product Number GAFTCFSCGWH5G
Manufacturer Number 8940 CAULK G
Applicable Standards ASTM D412; ASTM D920; ASTM D2196; ASTM D1475
Product Name FlexSeal Caulk Grade Sealant
Formulation Solvent-based synthetic elastomeric sealant
Viscosity Higher viscosity than Standard FlexSeal
Recommended Surface Prep Surface must be clean, dry, and free of residual contaminants before application

Frequently Asked Questions (FAQ):

Q: Can this be applied to damp surfaces?
A: No. As a solvent-based product, surfaces must be clean, dry, and free of contaminants before application.


Q: What color is this sealant?
A: White.


Q: Is the formula suitable for typical caulk applications?
A: Yes, it is specifically suited for use anywhere caulk is typically used.


Q: What is the packaging size?
A: 5-gallon pail.


Q: Does it meet industry standards?
A: It is associated with ASTM D412, D920, D2196, and D1475.


Sculpted Precision with Lasting Flex

FlexSeal Caulk Grade Sealant brings a crisp, white finish to joints and seams, elevating everyday details with polished restraint. Its higher-viscosity body lays down elegant, controlled lines that stay supple and secure. Use it to refine transitions around architectural elements where movement demands resilience. It’s a quiet essential that underpins luxurious, enduring spaces.


Choose FlexSeal Caulk Grade Sealant for precise, flexible seals that stand up to real-world movement and time.

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