August Is ROCKWOOL® Month at CBSI
For Customers in MD, VA, and PA
Helping Mid-Atlantic builders protect their construction projects from the elements is a top priority for us here at Capitol Building Supply, Inc. (CBSI).
This August, CBSI is excited to highlight select products from ROCKWOOL®, one of the best insulation manufacturers in the business. Make sure you join us for our ROCKWOOL Month open house event in Hagerstown, MD—keep reading for details!
ROCKWOOL Insulation Available at CBSI
You’ll find an incredible selection of quality ROCKWOOL insulation products at CBSI construction yards in Maryland, Virginia, Pennsylvania, and throughout the Mid-Atlantic region, such as:
ROCKWOOL AFB®
Acoustical fire batt (AFB) insulation is specifically designed for steel stud and wood stud applications within interior walls and floors. See why AFB is the best mix of fire resistance, sound absorption, and durability that insulation has to offer!
ROCKWOOL ROXUL Safe®
ROXUL Safe is a lightweight, semi-rigid stone wool insulation that provides fire-stopping and acoustical properties. Choose from 45, 55, and 65 for a range of densities and resistance ratings.
ROCKWOOL Cavityrock®
This semi-rigid stone wool board insulates exterior cavity wall and rainscreen applications with unsurpassed performance. Cavityrock is available as mono-density insulation in thicknesses up to 2" and dual-density in thicknesses of 2.5" to 6".
ROCKWOOL Comfortboard®
A non-structural sheathing product ideal for continuous insulation applications, Comfortboard provides increased thermal performance to the building envelope. Pick the thickness and density that's best for your building project.
Get ROCKWOOL Insulation and More at Our Special Event
CBSI invites you to attend our ROCKWOOL Month celebration:
CBSI Yard Open House – Hagerstown, MD
Wednesday, 8/26/2026
9:30 a.m. – 12:30 p.m.
1225 Maryland Ave.
Hagerstown, MD 21740
During the open house, we’ll showcase products from several leading manufacturers. In particular, we’d like to give a special thank you to our Platinum Sponsors:
The following vendors will also have booths at our open house event:
- Gold Sponsor: Happy Feet International
- Metacaulk®
- Soudal
- Sto® Corp.
Open to the public, this event will also feature exciting giveaways and the popular Trippy Tacos food truck! We hope to see you there.
CBSI Is Your Go-To Provider of Construction Supplies
Mid-Atlantic builders and contractors: Celebrate ROCKWOOL Month with us. Come to our Hagerstown, MD, open house event, or call Capitol Building Supply, Inc. anytime.