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How long does it take to seal the asphalt shingles

March 02, 2023

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The amount of time it takes for asphalt shingles to seal can vary depending on a few different factors, such as the temperature, humidity, and amount of sun exposure. In general, the sealing time required for asphalt shingles can vary based on these factors, and manufacturers may provide specific instructions for installation based on these variables. This process is often referred to as "tab sealing," and it occurs as the adhesive strip on the underside of each shingle is activated by heat and pressure.

 

Here are some general guidelines for the sealing time required for asphalt shingles in different environmental conditions:

 

1. Temperature:

 

In warm weather (above 70°F or 21°C), the sealing time for asphalt shingles is generally shorter, often requiring only a few hours to seal.

In cooler weather (below 70°F or 21°C), the sealing time may be longer, often requiring a full day or more to seal properly.

 

2. Humidity:

 

In high humidity conditions, the sealing time for asphalt shingles may be longer due to the increased moisture in the air. it can take anywhere from a few days to a few weeks for asphalt shingles to seal completely. In low humidity conditions, the sealing time may be shorter, but care should be taken to ensure that the shingles do not dry out too quickly, as this can cause them to crack or break.

 

3. Sunlight:

 

In direct sunlight, the sealing time for asphalt shingles may be shorter due to the increased heat and UV exposure.

In shaded areas, the sealing time may be longer, as the shingles may take longer to heat up and activate the adhesive.

 

It's important to note that:

 

1. These are general guidelines, and the specific sealing time required for your asphalt shingles may vary depending on the brand, type, and other factors. It's always best to follow the manufacturer's instructions for installation and take into account the environmental conditions during installation to ensure a proper and long-lasting seal.


Sealing process doesn't necessarily have to be complete for the shingles to be effective at protecting your roof. As long as the shingles are properly installed and have some degree of adhesion, they should be able to keep your home dry and protected.

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