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Why Would I Need A Reroof With Spray Foam

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Spray foam insulation, once seen as a game-changer for energy efficiency, has become a source of frustration for many homeowners. While it can help reduce energy bills, its application—particularly in roof spaces—can lead to significant structural issues that sometimes necessitate a full reroof.

In this blog, we explore the reasons why spray foam insulation can cause enough damage to require a reroof and how Countrywide Roofing and Insulation can help.

Understanding Spray Foam and Its Impact

Spray foam insulation comes in two types:

  • Closed-cell foam: Rigid and dense, it creates a strong thermal barrier but can trap moisture and put stress on roof structures.
  • Open-cell foam: Softer and more breathable, but it can absorb moisture and lead to dampness in unsuitable installations.

Both types adhere tightly to the roof structure, which can lead to complications over time.

Common Reasons for Reroofing with Spray Foam

  • Moisture Retention and Timber Decay
    Spray foam can trap moisture against the roof's timbers, particularly when ventilation is inadequate. Over time, this can cause:
  • Rot and decay in wooden beams.
  • Mold growth, which further weakens the structure.

If the damage is extensive, a reroof may be the only way to replace compromised timbers and restore the roof's integrity.

  • Weight and Structural Stress
  • Closed-cell spray foam, in particular, is heavy. This added weight can strain the roof structure, especially in older homes that were not designed to bear such loads. Over time, this stress can lead to sagging or cracking, necessitating a complete reroof to replace damaged components.

  • Hidden Damage
    Spray foam covers roof timbers completely, making it nearly impossible for surveyors or inspectors to assess their condition. Undetected issues like leaks, rot, or broken beams can worsen without intervention, leading to the need for a reroof once the foam is removed and the damage is revealed.

  • Incompatible or Poorly Installed Spray Foam
    Improper installation or the use of spray foam on unsuitable roof types can accelerate the deterioration of roof felt and tiles. For example:

  • Perished Felt: Spray foam can hasten the degradation of roofing felt, leaving the roof vulnerable to leaks.

  • Direct Application to Tiles: Foam applied directly to tiles can cause them to crack or dislodge, leading to roof failure.

  • Mortgage and Surveyor Requirements
  • Many mortgage lenders now require spray foam to be removed before approving a property for sale or remortgaging. During the removal process, structural issues caused by the foam are often uncovered. In severe cases, a reroof may be required to meet lender and surveyor standards.

When to Consider a Reroof

If you notice any of the following issues, it may be time to consult a professional:

  • Persistent leaks or damp patches in your loft.
  • Visible sagging or uneven rooflines.
  • Mould or rot in roof timbers.
  • Difficulty securing a mortgage due to spray foam insulation.

How Countrywide Roofing and Insulation Can Help

At Countrywide Roofing and Insulation, we provide comprehensive services to address spray foam-related roof issues:

  1. Spray Foam Removal
    We safely remove all spray foam insulation, ensuring no further damage to your roof structure.
  2. Thorough Inspection
    Once the foam is removed, we conduct a detailed assessment to identify any hidden damage or weaknesses in the roof.
  3. Professional Reroofing
    If a reroof is necessary, we handle the entire process, including:
  • Replacing damaged timbers.
  • Installing new felt and tiles.
  • Ensuring proper ventilation for a healthier, longer-lasting roof.

      4. Certification and Documentation
          We provide certifications and warranties for all work, ensuring your property meets the standards required by surveyors and lenders.

Conclusion

Spray foam insulation, while initially appealing, can cause significant roof damage that sometimes requires a full reroof to address. If you're facing these challenges, Countrywide Roofing and Insulation is here to help.

Contact us today for a free consultation and let us restore your roof to its best condition—free from spray foam complications.

Understanding Spray Foam Insulation: Safety, Types & Removal FAQs 

1. Is spray foam insulation a problem for homeowners?

Yes — spray foam has been linked to mortgage denials, structural concerns, condensation issues, and resale complications. Learn the full scope here:
👉 Is Spray Foam a Problem?

2. What's the difference between open-cell and closed-cell spray foam?

Open-cell is softer and breathable, while closed-cell is denser and moisture-resistant — but both come with risks if not installed correctly. Get a clear comparison here:
👉 Open Cell vs Closed Cell Spray Foam

3. Can spray foam insulation damage my roof's felt underlayer?

Yes. Spray foam can accelerate felt degradation, leading to structural and ventilation issues. Here's how it happens and what to look out for:
👉 Perished Felt: Understanding the Dangers and How Spray Foam Contributes to the Problem

4. Is my personal data at risk from spray foam installation companies?

Surprisingly, yes. Some installers have been linked to poor data security and selling homeowner data. Learn what to check for:
👉 Is Your Spray Insulation Installation Data Being Leaked?

5. What safety protocols are followed during professional spray foam removal?

At Countrywide, strict procedures are in place to protect structural integrity, ensure air quality, and avoid secondary damage. Read about our standards:
👉 Our Commitment to Safety: Protocols and Precautions for Spray Foam Removal

6. How do I start the spray foam removal process?

It begins with a free assessment and quote, followed by safe, efficient removal tailored to your roof type. Here's how to get started:
👉 Remove Spray Foam

7. What's involved in the full spray foam insulation removal process?

From preparation to post-removal clean-up, the full process ensures your roof is restored and ready for resale, re-insulation, or mortgage approval. Learn more:
👉 Removing Spray Foam Insulation

Why Countrywide Roofing and Insulation Works with ...
Can We Get A Mortgage With Spray Foam?

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Roofing - Insulation - Spray Foam Removal