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The general consensus is that the lifespan of a Felt roof is anywhere from 10 to 15 years. But there are exceptions, and we have seen many that have been installed some 25 years previously. It may just be down to whoever installs the system how long it lasts, or to wherever it is positioned on a home and the weather it has to endure that determines it's longjevity.
All new Felt Reroofs start with:
• Removal of existing flat roof system
• New OSB3 boards
• Bitchumen primer coat
A further tip to help with Your Felt roof installation, or any flat roof installation for that matter, is to add a slight pitch to your flat roof. By fitting firrings to the top of your roof joists, even a 2 "- 0" fall on your roof could prolong the flat roofs lifespan.
Your new Felt roof comes with:
• New 4mm underlay
• 4mm mineral system
• lead wall flashing
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