Warranties

MBCI Finish Warranties

MBCI’s finish warranties include the Bare Galvalume® and Galvalume Plus® Warranty, the Signature® 200 and Signature® 300 paint warranties and a Technical Bulletin about Saltwater and Marine Atmospheres. 

MBCI Weathertightness Warranties

MBCI believes that if the building owner has to file a claim against the roof manufacturer’s weathertightness warranty then someone hasn’t done their job correctly. MBCI’s goal is to be an active partner to ensure:

• The proper roof system is chosen based on the Project’s parameters
• The roof is properly detailed before installation begins.
• The roof is properly installed before the warranty is issued.
• The building owner is satisfied with the MBCI roof.

To accomplish this goal, MBCI proudly offers our Single Source™ Weathertightness Warranty Program. A Single Source™ Warranty puts the complete burden for proper installation of the roof system* on MBCI from start to finish. (*Roof system is defined as the MBCI furnished roof panels, flashing and related items used to fasten the roof panels and flashing (including roof jack and curb attachments pre-approved in writing by MBCI to the roof structure.)

In the remote chance that a claim is ever filed against a Single Source™ Warranty, the building owner makes only one call - to MBCI.

Please submit all documentation for weathertightness warranty requests to MBCI.WTW@cornerstone-bb.com.