Crandall Roofing, Inc. Factory Certifications California Roofing Company

GAF/ELK Certified.
We do all work necessary to assure a full roof system warranty by GAF/ELK.

CertainTeed Master Shingle Applicators.
We do all wok necessary to assure a full roof system warranty by CertainTeed.

Carlisle Syntec Sureweld TPO Factory Certified.
We do all work necessary to assure full system warranties on commercial roofs
and lifetime warranty on materials for residential roofs.