Stop it Before it Starts
STI Fire Stop Pillows
Fire Stop Spray
SSW Intumescent Wrap Strip
LCC Fire Stop Collars
SpeedFlex Track Top Gasket
EP Powershield? Electrical Box Inserts
Hilti Firestop Mortar
Hilti High Performance Intumescent Firestop Sealant

At Wallboard Supply Company, we have a variety of fire stopping products, to met all your construction project needs. We're happy to have partnered with industry-leading firestop sealant manufacturers including Hilti, and STI, helping us ensure that our customers receive a competitive price on top-quality firestop sealants for their project. We also offer a number of services to make your project run more smoothly, including special order services for specialty items, accepting a number of different payments, same-day delivery of in-stock items and operating locations in four states for your convenience.

If you need to purchase firestop sealants for your project, please contact us at the location closest to you or order materials above.

100% Original

We carry the best brands in the industry.

Payment Options

We accept Visa, MasterCard and American Express.

We Deliver

Get your materials and supplies delivered today.

Speciality Items

Don’t see the item you need? Odds are we can get it, just ask.

Firestop Product Guide Download

Firestop Brands We Are Proud|Happy|Excited|Pumped|Honored|Pleased To Carry In Our Stores