person Your Account
Contact Us Credit Application Careers
{{searchCategoryName}} arrow_drop_down Drywall Joint Treatment Steel Acoustical Insulation Lumber EIFS & Stucco Other Tools All search
clear

{{alert.title}}

  • {{msg}}
clear

{{alert.title}}

  • {{msg}}
Resources FAQs GMS / Parent Company Careers Credit Application Nitroset Fastening Solutions Milwaukee Power Tools DeWalt Power Tools Knauf Kraft Insulation at CBSI Joint Treatment Beads & Trim Sto Products Crane FRP Grabber Rubbermaid Commercial Products Armstrong Axiom Fry Reglet Trim Trimaco Surface Protection SMMA Steel Designations RedHeader PRO system Armstrong SoundScapes Ramset Fasteners Cendrex Access Doors G-P Dens Drywall Products Super Stud Steel Louisville Ladders Armstrong WoodWorks® USG Sheetrock® Tools Marshalltown Tools Hyde Hand Tools DeWalt 60V Max tools USG Sheetrock Joint Compounds Dow Thermax Exterior Insulation National Gypsum eXP Wallboard Armstrong Drywall Grid Systems Makita 18V Power Tools Dow Thermax Sheathing USG UltraLight Drywall ClarkDietrich BlazeFrame DeWalt 20V Max tools FallTech Safety Sto® Tool Delivery Service Ecommerce Impact Delivery & Fleet Knowledgeable Professionals Ordering Specialty Products Safety / Site Reviews Showrooms & Customer Pick-ups Drywall Steel Studs & Tracks Acoustical Ceilings Hand & Power Tools Joint Treatment & Finishes Insulation EIFS & Exterior Finishes Safety Surface Protection Accessories Flooring Lumber Access Doors Firestops FRP Panels Fasteners Fry Reglet 7770 Norfolk Condominiums Delmarva Health and Medical Pavilion Doylestown Assisted Living Light House Christian Church Oxford Square Plantation Lakes by Lennar Homes Ryan Homes Schuyler Crossing Theodore Roosevelt Senior High School Trump International Hotel Wegmans Grocery Store Atlantic City, NJ (Egg Harbor Township) Baltimore, MD (Quad Ave) Baltimore, MD (Whitestone Rd) Beltsville, MD Bladensburg, MD Camden, NJ Dover, DE Elizabeth, NJ Frederick, MD Fredericksburg, VA Gaithersburg, MD Harrisburg, PA Hagerstown, MD Jessup, MD Tool & Fastener Express Manassas Park, VA Marshall, VA New Castle, DE Selbyville, DE Springfield, VA Upper Marlboro, MD Vienna, VA Washington, D.C. Winchester, VA

Firestop

Keeping your building safe and protected.

A range of products to protect your jobsite from fire and smoke.

Today’s construction projects require proper barriers to prevent the spread of flames, gases and smoke during building upgrades and installations. Capitol Building Supply stocks a large inventory of firestop products to meet the needs of the most demanding applications. We carry the following products from STI, 3M and Strike First:

  • Intumescent products
  • Fire caulking
  • Firestop bags, sleeves and devices
  • Mortar and putties
  • Smoke sealants
  • A variety of adhesives

Our firestop products can also be used to fill in breaches in fire-resistant floors and walls.

Download Brochures:

Need to talk to an expert to help with your next project?

Experienced and helpful customer service representatives are standing by ready to help.
call CONTACT US