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Abstract
Blisters are a major problem of built up roof membrnes. They are caused by voids built into the roof during construction. They develop into the characteristic of dome-shaped humbs by a breathing action driven by thermal cycling. A small pressure relief vent was patented by CRREL, as a cost effective way to repair blisters. Though these vents cannot prevent blisters from forming, they can lengthen a roof's service life by repairing the blisters before they break. Two demonstration projects were conducted to transer the blisters vent technology to the military community. Most participants in the demonstration projects found the vent easy to use and that is performed as designed. The main objection to the vent was its price.
Blisters are a major problem of built up roof membrnes. They are caused by voids built into the roof during construction. They develop into the characteristic of dome-shaped humbs by a breathing action driven by thermal cycling. A small pressure relief vent was patented by CRREL, as a cost effective way to repair blisters. Though these vents cannot prevent blisters from forming, they can lengthen a roof's service life by repairing the blisters before they break. Two demonstration projects were conducted to transer the blisters vent technology to the military community. Most participants in the demonstration projects found the vent easy to use and that is performed as designed. The main objection to the vent was its price.
Date
7/1995
7/1995
Author(s)
C Korhonen; B Charest
C Korhonen; B Charest
Page(s)
13
13
Keyword(s)
blister; built up roof; maintenance; repair
blister; built up roof; maintenance; repair