David L. Lawrence Convention Center
Single-source solution for a complex waterproofing, vegetated roofing, amenity, and roofing project.
With you every step of the way
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Innovation begins with collaboration
Since first developing SBS-modified asphalt for roofing applications more than half a century ago, Siplast, a Standard Industries company, has consistently demonstrated a commitment to innovation, quality, customer service, and environmental sustainability. Our high-performance commercial roofing, waterproofing, and wall materials protect unique, iconic structures across North America. Siplast is committed to partnering with customers every step of the way, from design to installation and beyond, offering custom, dependable solutions that meet the evolving demands of the modern building enclosure.
Reach your Siplast representative. Connect now
Space Needle
Preserving and renovating the observation deck of the 57-year-old world icon in the State of Washington - without interruption to visitors.
United Nations - General Assembly
Protecting a world-renowned facility. Reroof the iconic UN General Assembly Building - the original roof was past its useful service life. Help facilitate the uninterrupted operation of the UN General Assembly Hall, the heart of the building's internationally-critical operations.
Jacob K. Javits Convention Center
The Jacob K. Javits Convention Center in New York City was in need of a multi-faceted reroofing solution. The project's goals included addressing existing leaks and helping realize the client's vision of becoming a role model for environmental leadership to the exhibition industry globally.
Maple Leaf Gardens
Replacing - and preserving - an iconic Toronto dome. The building owners were seeking a solution that would not only match the original aesthetics, but that could also help them meet their environmental objectives.
Hardesty Arts Center
Providing a vegetated roof solution for a facility in the busy downtown Arts District of Tulsa.
Jubilee House
Reroofing an 87-unit apartment building for low-income tenants, carefully minimizing disruption to residents.
Whatever your project needs, Siplast has your solution
Reimagine the roof
As the vision for overburden continues to evolve and projects become more complex, you can count on Siplast for customized solutions tailored to meet your goals.
View overburden solutions 
Commercial wall solutions: WALLcontrol™
Our portfolio of premium AWBs, Polyiso insulation, and wall flashings－have the same manufacturing quality and proven performance as our commercial roofing and waterproofing systems. WALLcontrol™ products integrate seamlessly with Siplast roofing systems, so you have one single-source solution with coverage for both your roof and wall systems.
Featured systems
Liquid-Applied Vehicular & Pedestrian Coating Assemblies
Not all parking garages and pedestrian spaces need coatings with the same level of durability. Different durabilities can be achieved by how the system is assembled and the number of layers used. Siplast’s full portfolio of Terapro deck coatings provides a comprehensive solution, as it allows for hybrid systems and tailored applications.
Our foundation of innovation
Original developers of SBS-modified bitumens
Paradiene and Veral incorporate our SBS-modified bitumen technology allowing exceptional elongation and recovery properties over a wide range of temperatures. These high-performance, two-ply roof systems have become trusted solutions and have become a mainstay for commercial building projects. View our SBS resources.
Upcoming opportunities to connect
Siplast participates in more than 200 events annually. Come join us!
Upcoming Events
Keep up-to-date with the latest Siplast virtual and in-person events. Don't miss out on your chance to learn, discuss, and network with peers and subject matter experts. We look forward to seeing you soon!
Accredited Learning Resources
We are pleased to offer the opportunity to earn continuing education units (CEU) from the variety of accredited educational programs listed here. Whether you are just getting started in your career or are a seasoned professional, our subject matter experts have content for you.
