California’s Premier Sealant, Air Barrier, and Waterproofing Contractor

About DSM

DSM Construction is California’s leading sealant, air barrier, and waterproofing contractor. For 30 years, has provided the highest level of quality workmanship, customer service, and safety protocol in the industry. DSM works on the largest and most complex projects in California.

Single Source Responsibility

The simplicity of hiring one team for top-to-bottom exterior façade waterproofing.

Dedicated to Safety

More than just a word for us, safety is a way of life. We implement all safety mandates and guidelines and then some. Every job. Every day.

Trusted to Deliver

Regardless of the size or complexity of any project in our 30 years of business speaks for itself. Our track record of hassle-free, quality work, and high-liability jobs has made us the most trusted name in the industry.

Veteran Owned Business

We are proud to be a Veteran Owned Business with 30+ years of experience.

Services

From Air and Water Barriers and Waterproofing to Joint Sealants and Building Restoration, DSM Construction offers complete solutions to meet your project’s unique needs.

Sealants

Air Barriers

Waterproofing

Learn More About What Makes Our Solutions The Right Fit For Your Project.

Testimonials

“sevit Constructions completed both the base build and integrated fitout of the Moderock facility. Sevit Constructions assisted us to deliver this highly automated facility. Vaughan understood the complex nature of this project and worked diligently to ensure the best possible project outcomes.”