Westco Roofing
Waterproofing
Westco Roofing offers a wide range of innovative specialty construction chemicals and materials that includes: concrete admixtures and technologies and fibers, architectural concrete products, liquid pigments for colored concrete, cement processing additives, concrete masonry products, air barriers, roofing underlayments, residential building materials, structural waterproofing systems and fire protection products.

Gaco-Western

Grace

ER Systems

Hydro-Stop
Awards and Recognition
Our Reviews
We have received numerous thank-you notes from clients throughout our over thirty years in business. Learn why our clients and industry associations have recognized us as one of the top roofing contractors in the Oakland and Berkeley, California area.