Roofing, Waterproofing & Building Enclosures

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Your trusted partner for full enclosure solutions

The Siplast story began in the late 1960s when we pioneered SBS-modified bitumen roofing. Today, we manufacture over 100 high-performance roofing, waterproofing, and building enclosure products used in more than 40 countries. With seamlessly integrated systems, single-source warranties, and dedicated regional specialists, we’re ready to help solve your toughest enclosure challenges.

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David L. Lawrence Convention Center

DLCC staff collaborated with various architecture firms to systematically repair sections of the roof, initiating a process that has spanned the past two decades. For the rooftop terrace, Pittsburgh-based Indovina Associates Architects sought a highly experienced provider specializing in waterproofing, vegetated roofing, and roofing solutions. They needed a reliable partner with deep industry expertise who could serve as a single point of contact and navigate complex challenges throughout the extensive renovation. Siplast proved to be the ideal choice to fulfill these requirements.

View DLCC project Vegetated roof, amenity & stormwater solutions

Fallingwater

As part of a $7-million effort to address water infiltration issues, the Western Pennsylvania Conservancy enlisted New York City based Architectural Preservation Studio (APS). Having collaborated with Siplast on previous projects, APS once again specified Siplast to use current materials and develop solutions for complex roofing and waterproofing challenges.

View Fallingwater project Explore historic restoration & preservation

Space Needle

Updating and preserving the 57-year-old Space Needle';s observation deck meant more than just resurfacing — it required a system that could handle structural movement from wind and temperature, perform in Seattle's rainy climate, and allow it to remain open to the public throughout the duration of the renovation.

View Space Needle project Waterproofing & deck coating solutions

T5 Data Center

T5, a prominent developer and operator of mission-critical data center facilities, broke ground on a new campus in Hillsboro. This multi-phase, build-to-suit project included over 500,000 sq. ft. of data center space and more than 54 megawatts of critical power. Approximately 85% of the structure was built using insulated metal wall panels with an integrated weather barrier system that wrapped nearly the entire building.

View T5 project Explore commercial wall solutions

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.

View Javits project Vegetated roof, amenity & stormwater solutions

Mecklenburg County District Attorney’s Office

REI Engineers, a building enclosure consulting firm specializing in roof system design, restoration, and forensic evaluation, designed the roof replacement. Interstate Roofing Co., a prominent commercial roofing contractor based in Charlotte, was awarded the contract and elected to utilize Siplast materials.

View Mecklenburg project Explore roofing solutions

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.

View UN project Explore roofing systems

RESOURCES

Engineered science. Proven performance.

Complex designs and extreme weather demand specialized building enclosure science. At the RISE Center, scientists put our roofing, waterproofing, traffic surfacing, below-grade, and wall systems through rigorous testing to ensure long-term integrity and performance.

Explore the RISE Center

Resources for you

Design professionals

Utilize our advanced search and filtering tools to locate product data sheets, guide specs, interactive design drawings, and more.
Design professional resources
Building owners

Find help identifying the right roofing solution for your building, highly-qualified contractors, guarantee information, and more.
Building owner resources
Contractors

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Contractor resources

Diagram showing a cross-section of a Siplast ParaGREEN Modular Assembly green roof system transitioning to a parapet wall with gravel ballast.

RESOURCES

Detail drawing library

Looking for more in-depth information about the assembly process? This video provides a comprehensive overview, but for precise measurements, material specifications, and intricate connections, please consult the Detail Drawings Library. You'll find all the critical data needed to ensure a compatible assembly.

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Upcoming opportunities to connect

Industry professionals networking at a Siplast trade show exhibit booth during a commercial roofing conference.

Upcoming Events

Siplast participates in more than 200 virtual and in-person events annually. Don't miss out on your chance to learn and network with peers and our subject matter experts. Let’s connect!

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Outdoor hands-on roofing product demonstration facility for contractors and architects earning accredited CEU credits.

Accredited learning resources

Whether you are just getting started in your career or are a seasoned professional, you can earn continuing education units (CEU) from the many accredited educational programs we offer.

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Illumination inside a large convention center hall hosting GAF and Siplast building and roofing science technical events.

GAF | Siplast building science events

GAF and Siplast have come together to form an elite team of Building & Roofing Science specialists who provide the support and guidance you need to make informed technical and design decisions.

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