Space Needle
Waterproofing and resurfacing the observation deck of an iconic landmark while remaining open for visitors.
Contractor resources
With you every step of the way
At Siplast, we partner with our clients every step of the way, from project planning to installation, and throughout the life of the roof. As part of that commitment, we work closely with our contractor partners so that we're available to provide the information, resources, and expert advice to help you do your best work every time.
Material estimating calculators
Calculators for our most popular liquid products to estimate materials.
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Concrete protection system estimator
Calculator for concrete protection systems and waste reference chart.
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PMMA flashing system estimator
Calculator for PMMA flashing systems and waste reference chart.
View PMMA flashing calculator
Waterproofing a roof in cold weather
In cold weather, installation techniques must be modified to ensure proper application.
View waterproofing in cold weather
Siplast Select Contractors *
Siplast systems are installed exclusively by independent Siplast Select Contractors. Becoming a Siplast Select Contractor means you have met or exceeded the standards of our exclusive contractor program. Siplast Select Contractors regard themselves as members of an elite team dedicated to installing great roofing and waterproofing systems for our building owner customers. For more information, contact your local Siplast representative.
* Contractors enrolled in Siplast certification programs are not employees or agents of Siplast, and Siplast does not control or otherwise supervise these independent businesses. Contractors may receive benefits from Siplast for participating in the program and offering Siplast enhanced warranties and guarantees, which require the use of Siplast products.
Sample guarantees
Siplast roof membrane guarantees, Terapro reinforced and unreinforced waterproofing guarantees, and Terapro VTS reinforced and unreinforced waterproofing guarantees come in a variety of term increments.
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Installer's guides
Access all our installer's guides, and filter by technology or application type.
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Safety data sheets
Access all our safety data sheets (SDS), and filter by technology or application type.
View all SDS
Material estimating guides
Access all our material estimating guides, and filter by technology or application type.
View all material
estimating guides
Video library
Take a look around our selection of videos for an introduction to Siplast, overviews of our products, as well as educational and instructional videos on roofing technology, application techniques, roof maintenance, and installation best practices.
Torching Techniques
Watch for an overview of basic torching techniques, which are key to a successful SBS-modified bitumen roof membrane application.
Teranap Plaza Deck Waterproofing
The SBS-modified bitumen Teranap System is based on proven roof membrane design. Watch this overview of the system and its application.
Paradiene 20 SA
See a time-lapse application of self-adhesive Paradiene 20 SA base ply in this product overview video.
Terapro 250 Application Overview
Watch for an overview of our PMMA blend resin / aggregate product best suited for concrete protection.
Reroofing with NVS Lightweight Insulating Concrete System
See an overview of the NVS Lightweight Insulating Concrete System, designed for reroofing and re-cover applications.
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.
David L. Lawrence Convention Center
Single-source solution for a complex waterproofing, vegetated roofing, amenity, and roofing project.
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.
Dougherty County Jail
When it came time to reroof the Dougherty County Jail, the Board of Commissioners faced two primary challenges: complete the project without interrupting facility operations and select a solution that was both cost-effective and environmentally responsible. The building’s size and secure nature made traditional tear-off and replacement strategies impractical—calling for a smarter, phased approach that would minimize disruption and waste.
Franklin Bay Meadows
As the flagship corporate campus of Franklin Templeton Investments, Franklin Bay Meadows required a high-performance roofing system to protect its new construction building investment. In addition to durability, the company sought a single-source solution to simplify the process and ensure long-term reliability for its corporate headquarters.
Maple Leaf Farms
The Maple Leaf Farms duck processing facility had undergone years of patchwork repairs, but persistent leaks, vegetation growth, and poor insulation performance signaled it was time for a complete roofing replacement. Maintaining strict sanitation standards was critical in the facility’s food processing zones, and the new system needed to deliver reliable protection—without shutting down operations.
RISE Blog
What to Know About Building Enclosure Design
Since 80% of all construction claims involve issues with the building envelope, it's important to understand the fundamentals of building enclosure design and construction.
View building enclosure article
Different Types of Below-Grade Waterproofing Solutions
Explore the factors that determine when below-grade waterproofing is needed and how it should be designed.
View waterproofing article
Hot-rubberized Asphalt – Flashing Choices are Critical to Long-term Success
HRA membranes are often used as a waterproofing membrane over concrete decks with overburden, such as vegetated roof systems and amenity decks, or in split-slab construction.
View waterproofing with HRA article