Roof Restoration Professionals Specializing in Pond Sealing Technology

Smart, sustainable roofing starts with Class 1 waterproofing, Jemstar helps you extend the life of your roof with proven, long-term protection you can count on.

Jemstar Construction
Jemstar Construction
Jemstar Construction

40+ Years of Quality & Commitment

Since 1982, Jemstar Construction has been California’s trusted expert in roof restoration and waterproofing. Our Class 1 Waterproofing system is engineered to stand up to ponding water and extreme exposure. We now offer a 30 year warranty, available with an annual maintenance contract, to ensure long-term protection for both commercial and residential roofs.

Roofing Service

From leak detection and emergency repairs to full roof reconditioning, Jemstar Construction delivers cost-effective, long-lasting solutions designed to extend the life of your roof and protect your investment.

Jemstar Construction
Jemstar Construction
Jemstar Construction

Why we use SureCoat Systems?

Because it last, where others fail.

Class A
Fire Rated

Fire rated

Class A
Fire Rated

Class A fire rating provides the greatest fire resistance.
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Class 1 Waterproofing

Class 1 Waterproofing

Our Class 1 Waterproofing system is engineered to stand up to ponding water and extreme exposure.
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Perm Rating
.0025

Perm Rating
.0025

Most products are water resistant. A perm rating under 1.0 is actual waterproof and not water resistant.
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Pond Sealing Technology

Pond Sealing Technology

The SureCoat Roof System is built to withstand ponding water and comes with a warranty that covers it.
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30 Year Warranty

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30 Year Warranty

SureCoat offers a written warranty that covers ponding on flat and low-slope roofs.
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Roofing Solutions for Homes and Businesses

Jemstar Construction

Expertise

We bring years of industry experience to every project, backed by a team of specialists who are leaders in their field. Our deep understanding of the market ensures top-tier service and tailored solutions for each client.

Jemstar Construction

Customization

We don’t offer one-size-fits-all solutions. Instead, we take the time to understand your specific needs and design a personalized approach to achieve your goals with precision and efficiency.

Jemstar Construction

Client-Centric

Our customers are at the heart of everything we do. From the initial consultation to project completion, we prioritize clear communication, collaboration, and a seamless experience that puts you first

Jemstar Construction

Innovative

We use the latest tools and technologies to ensure that our services are not only efficient but also at the forefront of industry trends. This means you get the best results with the most advanced techniques available.

Jemstar Construction

Save Your Roof and Money – Contact Us Today!

Schedule a free roof inspection and learn more about our Class 1 Waterproofing systems with a 30 year warranty.

Work You Can Trust. Results You Can See.

Don't replace your roof when you can save thousands by coating it!

Class 1 Waterproofing is engineered for ponding conditions—saving you thousands and protecting your roof with long-term warranty coverage.

SureCoat System

The SureCoat Roof System is a high-performance elastomeric coating designed to restore and protect low slope and flat roofs. Not every roof needs replacing—SureCoat uses the existing surface as a base and encapsulates it with a reinforced, waterproof layer, extending roof life and eliminating the need for costly tear-offs.

Jemstar Construction
Jemstar Construction

Shingle Saver

Shingle Saver is a high-strength, marine resin-based sealer that restores, protects, and extends the life of aging shingles. A sustainable, low-cost alternative to roof replacement.

Jemstar Construction

Stop Replacing Roofs – Start Saving Today!

We deliver personalized solutions backed by decades of experience, combining hands-on expertise with industry insight to ensure exceptional results for every property and project.

Jemstar Construction
Jemstar Construction

Your Business Deserves the Best—We Deliver It.

Our high quality of workmanship comes standard. We place high value on our client experience and do everything we can to ensure it is a great one.

 

Starting with the simple things like: showing up when we say we will, cleaning up after ourselves, and keeping lines of communication open throughout each project, our processes are designed to keep the disruption to our client’s routines at a minimum, and ensure each project is as efficient as possible. All of this would seem to be common sense, but unfortunately many of our competitors fall short in some or all of these areas.

 

Our mission is to be a force for positive change in the construction industry by creating a positive impact in the lives of everyone we interact with. We are able to do this by prioritizing our clients, and maintaining a healthy workplace for our team.

Trusted By Some of the Nation’s Biggest Brands!