MUST READS

Impactable Dock Doors Help Increase Safety in Warehouses

Warehouse doors can help increase safety by helping protect the integrity of the floor. They are designed to prevent the elements from the entering the facility, and reduce the threat of condensation from creating a slipping/tripping hazard for those on foot or those trying to quickly maneuver forklifts in tight areas. They also serve to reduce impact accidents and injuries by absorbing ‘hits.’ To ensure the right assembly, there are numerous high-pressure and missile-impact tests that demonstrate the strength of the doors—important for facing up to high winds.

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

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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Exploring Mica Coatings’ Potential: A look at Port Canaveral’s Exploration Tower

The welcome center at Florida’s Port Canaveral space shuttle facility is Exploration Tower. Clad in aluminum panels and a curtain wall assembly, it is also the first major project to be finished with paint that changes color depending on the light reflectance. This article looks at how such a coating is applied, and what design professionals need to know about the visual potential of such materials.

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MATTER OF SPEC BLOG

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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Sounding Off on Acoustic Sealants

In the February issue of The Construction Specifier, we published the article, “Using Gypsum Wallboard for Acoustical Control,” by Ashwin L. Himat. The piece dealt with new drywall products designed to reduce noise. However, one reader was concerned there was a bigger picture to keep in mind. Steven Zalben, AIA, NCARB, LEED AP, wrote:

The use of acoustical sealant to reduce sound transmission was only cursorily mentioned. Using an appropriate sealant on both top …

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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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