PROSOCO manufactures air and water barriers, flashing, sealants, masonry cleaners, and concrete protection products for building envelope performance. Builders, contractors, architects, and homeowners can source Prosoco weatherization and building envelope products through Golden State Lumber and Showroom for air sealing, moisture management, flashing, drainage, and durable wall assemblies across Northern California.
Since its founding in 1939, Prosoco has excelled at the innovation and development of superior products and services for the construction industry. Today, the company is recognized in the marketplace as a leading maker and supplier of masonry cleaners and protective treatments; hardeners, densifiers, stains and other products for concrete floors; and air- and water-resistive barrier systems for building envelopes.
Massive air barrier project at UCLA completed with PROSOCO Cat 5
This concrete overlay floor looks like terrazzo
Power-trowel polishing made faster with First Cut with Densifier
Finally Found a Paint Stripper that Doesn't Need to be Neutralized
Virtual Tour: Consolideck in the Enka Intermediate School
What a Living Building is made of
Polished Concrete time lapse at AT&T Center in San Antonio
Polished Concrete in Auto Dealership
Cleaning historic masonry at Topeka High School
Polished concrete floors in retail stores
Clean the Concrete, but Don't Damage the Architectural Metal - The Cleaning of the Kauffman Center
Never done this before! Applying a water repellent with a drone
Applying a Sealer with a Drone
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Golden State Lumber has been serving Northern California builders, contractors, architects, and homeowners for decades. We combine quality building materials with knowledgeable service to help customers find the right products and solutions for projects of every size.
Many customers return because they value consistent service, knowledgeable support, and access to quality building materials and trusted brands. Our goal is to build long-term relationships by helping customers complete successful projects, no matter the size.
If you don’t see the product you need, contact our team. Through our extensive supplier network, we can often source specialty, custom, and hard-to-find products and help you find the best solution for your project.
