Complete Your Next Project with Rollex System 3 Soffit Supplied By Bismarck Lumber Company

System 3 soffit panels keep hot air out of attics in the summer and moisture out during the winter months

Strong and flexible, this aluminum soffit is perfectly vented to promote continuous airflow, a necessary component to keeping attics cool and dry. Optimal ventilation can be strategically controlled by alternating solid and vented panels. All components are virtually maintenance-free and covered by our limited lifetime warranty.

Work with Bismarck Lumber Company to find the right soffit

Vented, Solid, and Stealth Soffit

Aluminum Trim Coil

Soffit Accessories

Proper attic ventilation:

Can help save energy costs

Helps roofing materials last longer

Prevents moisture buildup in the winter

Prevents damage to items stored in the attic

Is required by most shingle manufacturers to validate the warranty

See how easy it is to install our System 3 Soffit