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In considering the design of a flat roof it is important to understand the first principal. A pitched roof is designed to shed water...
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Roof surface temperatures can be up to 5° lower than air temperatures at night and considerably higher than air temperatures during the day so it is...
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Structures move and building designers allow for such movement in the design of their structure...
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Generally the first requirement for an insulation board is that it provides firm support for the waterproofing layer...
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A vacuum is the lowest conductor of thermal energy as it has no molecules. However heat transfer still takes place in a vacuum. Why?
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It is important to prevent excessive moisture being trapped within or beneath the roofing system and to allow for the release of potential water vapour...
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There are two specific types of vapour control layers...
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Rainfall intensity is determined in the United Kingdom by BS EN 12056-3:2000 Gravity drainage systems inside buildings - Part 3:
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Insulation may also be used to create falls on a flat roof...
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While most of us will check wind resistance when mechanically attaching roofing membranes it is also wise to carry out similar checks when fully or partially bonding.
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