Tag Archives: insulation

Designing Plaza Hardscapes: Considerations from insulation and waterproofing to structural support

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Plaza construction typically incorporates various products from different manufacturers intended to provide the thermal resistance, water management, structural capacity, and wearing surface needed to meet a particular project’s requirements. This article discusses the importance of evaluating the strength and stiffness characteristics of a plaza system, particularly when heavy loading is anticipated. Designs that do not properly account for overall system strength and stiffness are vulnerable to damage, potentially resulting in cracking and displacement of the hardscape materials, reduction of drainage capacity, and reduced service life of the plaza.

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Making Sense of Sprayed Polyurethane Foam

All photos courtesy Spray Foam Coalition

For decades, the U.S. design and construction industry has turned to sprayed polyurethane foam to insulate and air seal buildings. When used as a roofing material, its monolithic nature allows for a seamless, self-flashing application that can keep out water. SPF can also improve energy efficiency, helping building owners and general contractors comply with energy codes and meet performance requirements for green building programs and certifications.

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Updating values for polyiso

The January issue of The Construction Specifier included the article, “Impact of Advancements in Model Energy Codes,” by Jared O. Blum. We received the following letter to the editor from Tim Merchant of the EPS Industry Alliance, an organization representing those in the expanded polystyrene community.

The EPS Industry Alliance has always supported informative articles that advance the knowledge, proper use, and application of foam insulation. That said, the article makes some inaccurate claims …

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XPS, EPS, and Dock Flotation

After the feature, “Out of Sight, Not Out of Mind: Specifying Thermal Insulation Below-grade and Under-slab” ran in our December 2013 issue, we received a letter from retired architect, Joseph S. Bond. Mr. Bond wrote that the article in question “seems to reverse the findings” from both his personal and professional experience with expanded and extruded polystyrene (EPS and XPS):

I am a retired architect, and may not have the best current information on EPS …

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