Dap 8646 Silicone Rubber Sealant 10.1 Fl-oz White

Product Description

The DAP 8646 is a silicone rubber-base sealant packaged in a standard 10.1 fluid-ounce tube. Silicone sealants in this format are used to create durable, flexible seals on joints, seams, and penetrations where thermal movement or moisture exposure is a factor. The silicone base resists temperature extremes better than latex or acrylic compounds, making it a common choice for HVAC, plumbing, and general mechanical applications. It dispenses through a standard caulk gun and cures to a flexible, white finish suitable for visible joints.

This sealant is appropriate for residential and light commercial applications where a flexible, moisture-resistant seal is required. Common uses include sealing around pipe penetrations, duct connections, window and door perimeter joints, and other interior or exterior joints subject to movement or water exposure. The 10.1-ounce tube format is compatible with standard caulking guns used by HVAC technicians, plumbers, and general contractors.

Key Features

• Silicone rubber base provides flexible, durable sealing performance
• White finish suitable for visible interior and exterior joints
• 10.1 fluid-ounce tube fits standard caulk guns
• Resists moisture and temperature cycling better than latex-based sealants
• Flexible cure allows for joint movement without cracking

Compatibility

Designed as a general-purpose silicone sealant suitable for use on joints, seams, and penetrations in HVAC, plumbing, and construction applications where a flexible, moisture-resistant seal is required.

Installation Notes

Surface preparation is critical for adhesion — clean and dry all surfaces before applying sealant. Cut the tube tip to the desired bead size and apply with a standard caulk gun using steady, consistent pressure. Allow adequate cure time before exposing the joint to water or mechanical stress. Follow local building codes and manufacturer guidance for sealant use in fire-rated or pressure-sensitive assemblies.

Technical Specifications

• Base Material: Silicone Rubber
• Container Size: 10.1 fluid ounces
• Color: White
• Container Type: Tube

Standard Information

• Brand: DAP
• Manufacturer Part Number: 8646