Your roof shingles are heavy hitters when your home needs defense against the harsh summer heat. Still, summer is when they tend to blister and swell, a sign that you need to get replacement shingles or serious roofing repairs soon.

What, exactly, causes them to turn out that way? Crown Roofing LTD. explains the reason behind this phenomenon.

Trapped Moisture

Moisture can easily get trapped in the shingles themselves, whether it is because of heavy rain or an accidental sealant mistake during the manufacturing process. The reason trapped moisture causes problems for roof shingles is because the sun heats the moisture inside of them and causes blisters on the shingle’s surface. Moisture leads to leaks as well, which necessitates roofing inspection and repair.

While we’re at it, moisture, by itself, is the great enemy of roofs. Moisture weakens the interior structure of the roof, which is typically made of wood. It also invites mold growth, which causes respiratory illnesses and allergies.

Poor Ventilation

The roof is at its most vulnerable state during the summer. This is because of poor roofing ventilation. Some roofs do not have adequate ventilation and it can get too heated that the roof shingles start to blister and crack. The intense temperature could also cause the shingles to be excessively brittle and dry.

A good way to combat roof blistering and swelling would be to have a great ventilation system. This also solves the unwanted moisture problem because ventilation offers an easy way to keep from moisture building up. At Crown Roofing, LTD. we use only the best products for any job you need, from roof installation to roof repairs.

Give us a call at (604) 210-6655 today or fill out this contact form for a free estimate. We serve households in New Westminster, Surrey and the surrounding communities.

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