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why is my underlayment damaged

Roofing

The answer to 'why is my underlayment damaged' is that the underlayment can become damaged due to a variety of factors, such as exposure to the elements, improper installation, or age. Underlayment is the layer of material installed between the roof deck and the shingles, and it plays a crucial role in protecting your home from leaks and moisture intrusion.

Common causes of underlayment damage include heavy rain, high winds, hail, and prolonged UV exposure. Over time, the underlayment can become brittle, cracked, or worn, compromising its ability to provide the necessary protection. Improper installation, such as not overlapping the seams or not securing the underlayment properly, can also lead to damage. Additionally, if the roof has been leaking for an extended period, the underlayment may become saturated and deteriorate.

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Step-by-Step Guide

  1. 1

    Inspect the Underlayment

    Carefully examine the underlayment for any visible signs of damage, such as cracks, holes, or areas that have become brittle.

  2. 2

    Determine the Extent of the Damage

    Assess whether the damage is minor and can be repaired, or if the underlayment needs to be replaced.

  3. 3

    Call a Professional Roofer

    For more extensive damage or if you're unsure of the best course of action, it's recommended to contact a professional roofing contractor to inspect the underlayment and provide a recommendation.

Frequently Asked Questions

How do I know if my underlayment is damaged?

Signs of damaged underlayment include visible cracks, holes, or areas where the material has become brittle and worn.

Can I fix damaged underlayment myself?

In some cases, minor underlayment damage can be repaired with a roof sealant or patch. However, for more extensive damage, it's best to call a professional roofing contractor to assess the situation and recommend the appropriate repair or replacement.

How often should I replace my underlayment?

The lifespan of underlayment can vary depending on the material and the conditions it's exposed to, but it's generally recommended to replace it every 10-20 years or when it shows signs of significant wear and tear.

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