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How often to replace underlayment

Roofing

The answer to 'how often to replace underlayment' is that most roofing experts recommend replacing the underlayment every 10-15 years, or whenever the roof is replaced. Underlayment is the water-resistant material installed beneath the roof shingles or tiles, and it plays a critical role in protecting your home from water damage.

Over time, the underlayment can become worn, cracked, or deteriorated, compromising its ability to provide a reliable moisture barrier. Replacing the underlayment at the same time as the roof ensures that your home has a fresh, fully functioning layer of protection against the elements.

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Step-by-Step Guide

  1. 1

    Inspect the Roof

    Regularly inspect your roof for signs of wear, such as cracked, curled, or missing shingles, and check the condition of the underlayment.

  2. 2

    Call a Professional

    If you notice any issues with your roof or underlayment, it's best to call a licensed and insured roofing contractor to assess the situation and provide recommendations.

Frequently Asked Questions

When should I replace my roof?

Most roofs have a lifespan of 20-30 years, so it's generally recommended to replace the roof every 20-25 years, or sooner if you notice significant wear or damage.

Can I replace the underlayment without replacing the roof?

Yes, you can replace the underlayment without a full roof replacement, but it's often more cost-effective to do both at the same time.

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