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Roofing
Paradiene 20/30 SBS-Modified Bitumen Membrane Systems

There are certain physical properties that high-quality SBS-modified bitumen membrane systems (e.g., Siplast Paradiene 20/30 system) have that help enable it to maintain performance over decades of service on a roof. It starts with the asphalt blend, which drives some of the physical requirements for long term performance. The reinforcement combined with the upper and lower layers of SBS-modified bitumen determine the primary physical properties and performance characteristics of the sheet. In other words, what Siplast does prior to and during manufacture of the Paradiene 20 and Paradiene 30 sheets is a huge part of what leads to the roof's potential long service life. Of course, the installation, the design, and maintenance of the roof also play a big role. Assuming that those aspects are handled properly, it is the SBS-modified bitumen formulation combined with the reinforcement (i.e., the roof membrane) that composes the backbone of the system that sets up the installed roofing system for long-term success.

June 12, 2025

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Waterproofing
Waterproofing Membrane Types, Applications, and Best Practices

Waterproofing membranes help protect structures from water damage by creating a barrier against water infiltration. This makes them ideal for applications that involve higher levels of moisture due to environmental conditions or the presence of water, such as foundations, parking garages, and green roofs.

July 10, 2025

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Building Enclosure
What to Know About Building Enclosure Design

Similar to how a winter jacket protects you from the elements, a building envelope protects the contents of a building throughout its lifespan. A successful building enclosure design separates the interior of the building from the exterior while controlling the exchange of heat, air, and moisture between the two. It can extend the life of building components and help keep occupants comfortable year-round.

May 29, 2025

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Building Science
Stormwater Management for Resilient Design

Urban flooding has become an increasingly frequent occurrence in recent years, prompting the need for effective stormwater management at commercial properties. In addition to the damage floods can cause, uncontrolled stormwater flow creates potential risks to individuals' health and well-being. If debris, pollutants, and trash are allowed to flow into drainage and sewer systems, this could ultimately end up contaminating local drinking water.

May 29, 2025

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Inside Siplast
Advancing Roofing Technology: The Role of the Siplast RISE Center

As commercial roofing systems grow increasingly complex and weather conditions become more extreme, the demand for roofing and waterproofing solutions that provide durability, sustainability, and ease of installation is higher than ever. Siplast is addressing these challenges head-on through its innovative RISE Center, a facility that integrates research and development with education, hands-on training, and rigorous product testing.

July 09, 2025

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Looking for more? Additional articles sorted by category below

Why Substrate Imperfections Matter in Roof Design
Specifiers and designers often focus on the visible components of a roof system: the membrane, the flashing, the aesthetic. However, the often-overlooked substrate—the foundation upon which the entire system rests—plays a profoundly critical role in long-term performance and durability. A long-term roofing system can only be achieved with a sound and suitable substrate.
July 10, 2025
Understanding Diagonal Wrinkling in Roof Membrane Base Flashing
We've all seen it: diagonal wrinkling, sometimes called "racking," appearing in membrane base flashings along parapet walls. While seemingly minor, this condition can compromise the long-term performance and watertight integrity of a roof membrane system.
July 01, 2025
Proper Design of a Roof System's Thermal Insulation Layer
Polyisocyanurate insulation (polyiso) has the highest market share in the rooﬁng industry–approximately 70%. It's been the market leader for decades. Why? Because polyiso has the highest R-value per inch of insulating materials that are commonly used in the rooﬁng market. There are other insulation types that come close, but none that are widely used match the R-5.7 per inch insulating value of polyiso. Polyiso is also widely used because of its other beneﬁts: its availability, material compatibility, impact and ﬁre performance, general durability, relative moisture resistance, and its ability to be attached/secured by various methods. Given its characteristics, there's good reason polyiso insulation is a market leader.
June 12, 2025
Liquid Comes in Two Forms: Liquid-Applied Roof Membranes vs. Roof Coatings
Liquid-applied roof membranes (LAR) and roof coatings (aka, maintenance coatings) are not only here to stay, their use continues to increase. Introduction Liquid-applied materials have been used in the construction and roofing industries for a very long time. They have been made from many different materials--from beeswax and pitch some 5,000 years ago, to lacquers and varnishes just a couple thousand years ago, to our current polymer-based materials. The more viscous materials were used to keep water out of structures or to keep water storage and transport more leak-free. The less viscous materials are commonly used to coat or seal materials but not necessarily used to keep liquid water out (or in, for that matter).
June 12, 2025

Terapro Polyurea Applications: Delivering Durability for Long-Term Success
In the competitive world of commercial building materials, Terapro PUR (Polyurethane/Polyurea) stands out as a reliable product for its exceptional durability and versatility. Understanding its wide range of benefits can facilitate informed decisions that enhance project success and long-term performance.
June 30, 2025
Factors to Consider When Choosing Below-Grade Waterproofing Systems
Hidden from view once buried underground, below-grade waterproofing systems are often overlooked in construction. Once it's out of sight, it's out of mind. However, taking the appropriate measures to select the right moisture control system is essential to a building's structural integrity. Getting this detail right the first time around can help minimize the risk of problems and expensive repairs over the long term.
June 23, 2025
Different Types of Below-Grade Waterproofing Solutions
Like many components of a building project, some of the most important are never seen. This is certainly the case with below-grade waterproofing, which can have a lasting impact on a building's lifespan and performance. Let's explore the factors that determine when below-grade waterproofing is needed and how it should be designed.
June 12, 2025
PMMA Applications: A Reliable Choice for High-Traffic Areas and Roofing Projects
Over the last few decades, the thermoplastic known as polymethyl methacrylate (PMMA) has become a go-to option in the commercial building and roofing sector. A highly durable material, PMMA can effectively protect high-traffic areas, such as parking decks and areas with heavy foot traffic, from localized movement and harsh weather conditions.
May 29, 2025

Sustainable Roof-to-Wall Transitions: Optimizing Performance and Efficiency
The building enclosure is a crucial set of assemblies and components that separate the interior conditioned space from the elements outside. The building enclosure covers the entire exterior surface area and therefore has a critical role in controlling heat loss and gain, air infiltration, and moisture. Together, these attributes can significantly affect the energy-efficiency of commercial buildings.
July 01, 2025
Paving the Way for Better Educational Structures with AWBs
Educational structures hold immense power in shaping the minds and experiences of future generations. The physical spaces where learning takes place must support that goal—and be more than just a structure.
June 12, 2025
Future-Proofing Buildings with AWBs
Unpredictable weather signifies the onset of a new era of climate challenges, whether it's with record summer heat or widespread wildfires. With this, resilience—defined by the American Institute of Architects as "mitigating risk for hazards, shock, and stresses and adapting to changing conditions"—has become a crucial principle in the architecture, design, and construction industries.
May 07, 2025

LCCA Techniques for Roofs on Complex Building Types
One of the critical components of a building, both in terms of design and cost, is its roofing system. Building owners and consultants face the challenge of accurately predicting and managing a facility's long-term costs; life cycle cost analysis (LCCA) can help. Initial capital expenditures are often the focus during the design and construction phases. However, the ongoing costs associated with a building's energy use, as well as roof maintenance and eventual replacement, can make up a significant portion of a roof's total expenses over the service life of a building and its roof.
June 12, 2025

Jim Kirby's Path from Architect to Roofing Leadership
"I've always been curious about how things work, how things go together," says Jim Kirby, Technical Communications, Industry Relations, and Product Sustainability Architect at Siplast since April 2023.
June 18, 2025

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