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Rubber Roof Installation FAQs

Find answers to frequently asked questions about rubber roof installation and connect with reputable rubber roofing contractors in UK.

How long do rubber roofs last?

Rubber (EPDM) roofs are known for their durability and longevity, typically lasting 20 to 35 years or more with proper installation and maintenance. Factors affecting lifespan include:
  • Membrane thickness
  • Installation quality
  • Climate and weather exposure
  • Regular maintenance

How do I repair a tear in my rubber roof?

Repairing a tear in an EPDM rubber roof typically involves applying a patch over the damaged area.
Here's a general overview of the process:
  1. Clean the Area: Clean the area around the tear with a mild detergent and water, ensuring it's completely dry before proceeding.
  2. Cut a Patch: Cut a patch of EPDM membrane material that is slightly larger than the tear, ensuring it overlaps the damaged area by at least 2 inches on all sides.
  3. Apply Adhesive: Apply a specialized EPDM adhesive to the underside of the patch and the roof surface around the tear, following the manufacturer's instructions.
  4. Position the Patch: Carefully position the patch over the tear, pressing it firmly into place to ensure good adhesion.
  5. Roll the Patch: Use a roller to press out any air bubbles and ensure a smooth, even bond between the patch and the roof surface.
  6. Apply Sealant: Apply a bead of sealant around the patch's edges to provide additional protection against leaks.
  7. Inspect and Test: Once the adhesive and sealant have cured, inspect the repaired area and perform a water test to ensure it's watertight.
For larger tears or more complex repairs, it's best to consult a professional roofing contractor.

Can you put a new rubber roof over an old one?

Installing a new rubber roof (EPDM membrane) over an old one, known as a roof overlay or recover, is possible under certain conditions. However, there are important considerations:
  • Condition of the Existing Roof: The existing rubber roof should be in relatively good condition, with no significant damage or ponding water issues.
  • Number of Layers: Most building codes allow only one layer of roof overlay. If your existing roof already has an overlay, a complete tear-off is usually required.
  • Compatibility: Ensure the new EPDM membrane is compatible with the old one and that the adhesive will bond effectively to the existing surface.
  • Local Building Codes: Check with your local building department to verify if roof overlays are permitted and if any specific requirements apply.
While a roof overlay can be a cost-effective option, it's crucial to consult with a qualified roofing contractor to determine if it's suitable for your roof's specific circumstances. They can assess the existing roof's condition and advise on the best approach.

What are the advantages of a rubber roof?

EPDM rubber roofs offer several advantages:
  • Durability: Resistant to weathering, UV damage, ozone, and temperature fluctuations.
  • Flexibility: Can conform to various roof shapes and contours, making it suitable for complex designs.
  • Water Resistance: Provides a watertight seal, preventing leaks.
  • Ease of Installation: Relatively easy to install, reducing labor costs. Available in large sheets, minimizing seams.
  • Cost-Effectiveness: Offers a good balance of performance and affordability.
  • Low Maintenance: Requires minimal maintenance, typically periodic cleaning and inspections.
  • Repairable: Damage can often be repaired with patches or sealant.
  • Environmentally Friendly: EPDM is a recyclable material.

How long do rubber roofs last?

Rubber (EPDM) roofs are known for their durability and longevity, typically lasting 20 to 35 years or more with proper installation and maintenance. Factors affecting lifespan include:
  • Membrane thickness
  • Installation quality
  • Climate and weather exposure
  • Regular maintenance

How do I repair a tear in my rubber roof?

Repairing a tear in an EPDM rubber roof typically involves applying a patch over the damaged area.
Here's a general overview of the process:
  1. Clean the Area: Clean the area around the tear with a mild detergent and water, ensuring it's completely dry before proceeding.
  2. Cut a Patch: Cut a patch of EPDM membrane material that is slightly larger than the tear, ensuring it overlaps the damaged area by at least 2 inches on all sides.
  3. Apply Adhesive: Apply a specialized EPDM adhesive to the underside of the patch and the roof surface around the tear, following the manufacturer's instructions.
  4. Position the Patch: Carefully position the patch over the tear, pressing it firmly into place to ensure good adhesion.
  5. Roll the Patch: Use a roller to press out any air bubbles and ensure a smooth, even bond between the patch and the roof surface.
  6. Apply Sealant: Apply a bead of sealant around the patch's edges to provide additional protection against leaks.
  7. Inspect and Test: Once the adhesive and sealant have cured, inspect the repaired area and perform a water test to ensure it's watertight.
For larger tears or more complex repairs, it's best to consult a professional roofing contractor.

Can you put a new rubber roof over an old one?

Installing a new rubber roof (EPDM membrane) over an old one, known as a roof overlay or recover, is possible under certain conditions. However, there are important considerations:
  • Condition of the Existing Roof: The existing rubber roof should be in relatively good condition, with no significant damage or ponding water issues.
  • Number of Layers: Most building codes allow only one layer of roof overlay. If your existing roof already has an overlay, a complete tear-off is usually required.
  • Compatibility: Ensure the new EPDM membrane is compatible with the old one and that the adhesive will bond effectively to the existing surface.
  • Local Building Codes: Check with your local building department to verify if roof overlays are permitted and if any specific requirements apply.
While a roof overlay can be a cost-effective option, it's crucial to consult with a qualified roofing contractor to determine if it's suitable for your roof's specific circumstances. They can assess the existing roof's condition and advise on the best approach.

What are the advantages of a rubber roof?

EPDM rubber roofs offer several advantages:
  • Durability: Resistant to weathering, UV damage, ozone, and temperature fluctuations.
  • Flexibility: Can conform to various roof shapes and contours, making it suitable for complex designs.
  • Water Resistance: Provides a watertight seal, preventing leaks.
  • Ease of Installation: Relatively easy to install, reducing labor costs. Available in large sheets, minimizing seams.
  • Cost-Effectiveness: Offers a good balance of performance and affordability.
  • Low Maintenance: Requires minimal maintenance, typically periodic cleaning and inspections.
  • Repairable: Damage can often be repaired with patches or sealant.
  • Environmentally Friendly: EPDM is a recyclable material.