At Mod-Source, we specialize in providing products for Modular Buildings to seal the roof line when buildings mate, and to protect the buildings when in travel or being stored.

       Home of Mod-Snap™ - A reusable system that connects/seals modular buildings

Saves up to 80% on Mod-Line™ roofing materials and labor over the life of a building

Significantly reduces and or eliminates water intrusion at Mod-Line™

Over 10,000 installations in North America

Allows for sets In inclement weather 

Made in the USA