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Lynnwood Senior Living Vegetative Roof 

Polyglass - Lynnwood Senior Living
December 13, 2017 at 3:30 p.m.

In building the vegetative roof, the contractor used an inflatable tent in order to install the project during a month of record-breaking rainfall.

Roofing Contractor 3-D Roof System installs Polyglass’ Vegetative Roof atop the SHAG (Senior Housing Assistance Group) Lynwood, Washington property. Backed by a 30-year warranty, the three-ply modified bitumen system chosen provides the critical waterproofing needed for a vegetative roof assembly. At 500-mil thickness, the system adds layers of defense for the roof and enables long-term performance. In comparison, single ply membranes typically have a 60 mils total thickness.

Products include two layers of Polyglass’ Polyflex® Smooth APP (Atactic Polypropylene) modified bitumen membrane for the base and interply sheets. For the final layer, Polyflex® G White APP cap sheet was installed to provide resistance to punctures, tears, abrasion, foot traffic and the elements. Elastoflex® SA V—a high-performing self-adhered membrane featuring Polyglass’ ADESO® Technology was used for the flashing details.

Challenges: 3-D Roof Systems began the roof installation in October 2016, which according to the Seattle Times had record breaking rainfall.  But 3-D Roof Systems was prepared for the inclement weather. The team used a system of inflatable tenting adapted for use on the roof to work around the weather.  As they completed sections of the roof, the tent was moved to new areas that needed to be worked on.

Learn more about Polyglass.

Editor’s note: This article first appeared on Polyglass’ website and can be  viewed here



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