With its design flexibility, strength and cost-saving benefits, LP® FlameBlock® Fire-Rated Sheathing has become a valuable product solution within the architectural community. As an approved component of 8 UL-listed and Intertek-listed wall assemblies, LP FlameBlock sheathing is being specified for multifamily projects as a valuable alternative to potentially reduce or eliminate the use of exterior gypsum. Hear from a few architects on why they chose LP FlameBlock sheathing for their multifamily designs:
“When using plywood or structural wood panels behind the gypsum sheathing on the exterior side of the wall, there is the material and labor cost to install at least two layers of sheathing, as well as the additional schedule time for installation and inspections of multiple layers. Secondly, to have a 2-hour exterior wall that is stacked below a 1-hour exterior wall would either require some means of transitioning between the change in plane, or to continue the third layer of gypsum sheathing up the 1-hour wall,” said Miller. “By using the 1-sided and 2-sided LP FlameBlock, I was able to overcome all of these obstacles with two products that are easily identifiable by the contractor (based on the 1-side or 2-side coating) and that install the same as regular plywood.”
“The structural engineer played an important role in this,” said Ganeshan. “It was a very intricate shear design, and when they learned about the product they knew LP FlameBlock sheathing was the right choice.”
“I would venture to say that the biggest advantage is that it eliminates an exterior layer,” said Kelly. “I have recommended LP FlameBlock in the past and will continue to do so.”
Interested in specifying LP FlameBlock Fire-Rated Sheathing for your next project? Head over to Architect's Corner to learn which UL listed assembly is right for your project’s needs.
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