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Trocal v Mineral felt Flat Roof

newbieni
newbieni Posts: 306 Forumite
Part of the Furniture 100 Posts Photogenic Name Dropper
in In my home (includes DIY) MoneySaving
Hi All,

I have been given a quote for replacing my flat roof. There is approximately £1k in difference between opting for a Trocal over a Mineral Felt roof.

What is best option and why?

Thanks in advance.

Comments

  • grumpy_codger
    grumpy_codger Posts: 1,521 Forumite
    1,000 Posts First Anniversary Name Dropper Photogenic
    Well, a brief google search shows that Trocal roof is expected to last 30+ years, while felt one  only 15.

  • Albermarle
    Albermarle Posts: 30,902 Forumite
    10,000 Posts Seventh Anniversary Name Dropper
    Trocal single ply membrane is normally only used on commercial buildings/larger areas. Obviously when covering a large area you need a higher performing product, and normally it would be installed by experienced contractors.
    It is unusual it is being offered for a domestic flat roof, where normally the alternatives are -

    Torch On Felt ( the traditional way )
    EPDM - supposedly easier to install for less experienced installers/DIYers
    GRP - Better product, but more expensive and needs to be installed by someone who is familiar with GRP. 
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