Protected membrane roofs: not all roofs are created the same. : An article from: Buildings [HTML]

Book Description
This digital document is an article from Buildings, published by Stamats Communications, Inc. on May 1, 2004. The length of the article is 736 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.Citation Details
Title: Protected membrane roofs: not all roofs are created the same.
Author: Cecile Mutton
Publication: Buildings (Magazine/Journal)
Date: May 1, 2004
Publisher: Stamats Communications, Inc.
Volume: 98 Issue: 5 Page: 22(1)Distributed by Thompson Gale

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As long as there have been buildings, there have been roofs and a whole range of different types of roofing assemblies. In institutional, commercial, and industrial (ICI) construction, typically two different types of roofing assemblies are specified: Protected Membrane Roofs (PMRs) and conventional roots. In a Protected Membrane Roof (or "upside-down" roof), a closed-cell, extruded polystyrene insulation is placed on top of the waterproofing membrane; in a conventional roof, the insulation is placed under the waterproofing membrane. The placement of the insulation relative to the membrane affects the membrane's performance. For example, in a PMR, by protecting the membrane with an insulation that can withstand traffic and a moist environment, the membrane's effectiveness is improved, damage from repeated...


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