Hot Asphalt Ridging Roof Defect

The results of mechanical damage to asphalt shingles includes mineral granule loss from the shingles leaks or simply shorter roof life. Too much asphalt makes the glue line unnecessarily thick and this may modify the behaviour of the membrane. Even small amounts of trapped moisture can result in your flat roof membrane detaching from the layer below and cause roof blisters.

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If the interply layers of asphalt especially one with a low softening point are too thick slippage can occur between plies in warm weather and this may contribute to ridge formation.

Hot asphalt ridging roof defect.

After all correctly identifying pavement problems and their causes is at the heart of our business. Hot asphalt roofing is a type of built up roofing in which asphalt forms the waterproofing component of the roof membrane. Excess prime or tack. This roof shingle damage diagnosis article describes the causes and effects of mechanical damage to shingles from a variety of sources.

This can be caused by. With all the snow and ice over the last week on the east coast i thought it would be an appropriate time to look at some of the identifiable ways asphalt is adversely affected by weather and other conditions. This is not a self diagnostic guide but rather an informative list of some of the problems most often battled. We are having experience in every type of asphalt pavement like municipal commercial and residential.

Solid asphalt a by product of petroleum refining processes is melted on site in an industrial asphalt kettle and applied to the roof as a hot liquid. Obvious or unforeseen roof problems are always a pain and undoubtedly a significant expense. Buildings magazine examined which problems are most common and the conditions that can either cause or be the result of premature failure and reduced service life of low slope roof systems. Flat roof defect 2 blistering.

This is the most common roofing problem and it tends to get worse during the day when the heat of the sun causes the trapped moisture to expand. Bleeding occurs when asphalt binder fills the aggregate voids during hot weather or traffic compaction and then expands onto the pavement surface. Below we have identified and pictured 13 specific distresses failures any pavement. Canadian roofing contractors association 2430 don reid drive suite 100 ottawa on k1h 1e1.

Foot traffic tears punctures tool cuts or damage during shingle installation. When using hot asphalt as the method of application use type iv asphalt and take care to maintain the asphalt at a minimum of 400. Install the patch in hot asphalt cold adhesive or by heat welding in accordance with the manufacturer s recommendation over the repair area extending 8 inches in all directions from any part of the defect. Asphalt impregnated roofing felts are installed in.