CBSI Rocks ROCKWOOL^® Month in April

For Customers in MD, VA, and PA

Helping Mid-Atlantic builders make smart choices that ensure successful construction and satisfied customers is what we do every day at Capitol Building Supply, Inc. (CBSI).

This April, CBSI is excited to spotlight industry leader ROCKWOOL^® and its brilliant new insulation offering at our open house in Hagerstown, MD!

Introducing ROCKWOOL Smartrock^®

ROCKWOOL’s latest stone wool insulation board adds an integrated “smart” humidity-dependent vapor retarder, offering continuous insulation on the interior of concrete and masonry wall assemblies.

Smartrock combines thermal, vapor, and air control layers into a single product that delivers exceptional:

• Airtightness
• Fire resilience
• Climate resistance
• Installation efficiency

See ROCKWOOL Smartrock^® for Yourself

In celebration of the launch of Smartrock, CBSI invites you to a special event:

CBSI Yard Open House – Hagerstown, MD

Thursday, 4/24/2025
11:00 a.m. – 2:00 p.m.
1225 Maryland Ave.
Hagerstown, MD 21740

In addition to ROCKWOOL, CBSI will showcase products from other leading manufacturers at the open house, including:

Armstrong^® | Milwaukee^® | PIP^® | Magnum/Nitroset | ClarkDietrich^® | Happy Feet | Metacaulk^® | Champion Cutting Tools | National Gypsum^® | and MORE!

Open to the public, this event will also feature exciting giveaways. Plus, the popular Trippy Taco food truck will be on site! 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.