Canadian roofing contractors association 2430 don reid drive suite 100 ottawa on k1h 1e1.
Hot asphalt ridging roof defect.
Asphalt impregnated roofing felts are installed in.
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.
Below we have identified and pictured 13 specific distresses failures any pavement.
After all correctly identifying pavement problems and their causes is at the heart of our business.
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.
Even small amounts of trapped moisture can result in your flat roof membrane detaching from the layer below and cause roof blisters.
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.
Excess prime or tack.
The results of mechanical damage to asphalt shingles includes mineral granule loss from the shingles leaks or simply shorter roof life.
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.
Bleeding occurs when asphalt binder fills the aggregate voids during hot weather or traffic compaction and then expands onto the pavement surface.
This can be caused by.
This roof shingle damage diagnosis article describes the causes and effects of mechanical damage to shingles from a variety of sources.
Foot traffic tears punctures tool cuts or damage during shingle installation.
We are having experience in every type of asphalt pavement like municipal commercial and residential.
Obvious or unforeseen roof problems are always a pain and undoubtedly a significant expense.
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.
Flat roof defect 2 blistering.
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.
