Skip to main content

About Us

Who we are
Brands & Locations
Credit Applications
Terms & Conditions
Privacy Policy

785 Derwent Way

Delta, British Columbia, V3M 5P9

Canada

Resources

Track a Guest Order
News
FAQs
Careers

© 2025 MyFBM is powered by Foundation Building Materials(FBM)

/
All Products
FireStop and Sound Proofing
FireStop
Top Track Gasket
/

MFG:CF34

SKU: STI-CF34

/ Each

Each

Qty: for mobile

STI CF34 Closet Flange Firestop Gasket

Qty: for desktop

MFG:CF34

SKU:STI-CF34

Description

A one-piece molded intumescent pad that installs beneath a 3'³ or 4'³ (76 mm or 102 mm) closet flange to effectively firestop the opening.

No tools required = fast, easy installation
Installs from the top = saves labor
Clean installation = no caulk to clean up
Always ready to use = no shelf life or caulk tubes to dry out

Full Description & Specs

Description

A one-piece molded intumescent pad that installs beneath a 3'³ or 4'³ (76 mm or 102 mm) closet flange to effectively firestop the opening.

No tools required = fast, easy installation
Installs from the top = saves labor
Clean installation = no caulk to clean up
Always ready to use = no shelf life or caulk tubes to dry out