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Flat roof renewal: Pvc or rubber material

  • 07-05-2009 1:57pm
    #1
    shane b
    Registered Users, Registered Users 2 Posts: 598 ✭✭✭


    Hi

    not sure if this is the correct forum but anyways.
    I am replacing a flat roof on the garage section of the house and I have received 2 quotes which are about the same price. One contractor uses Braas pvc type material while the other uses EDPM rubber which i have been told last up to 20years.
    Anyone have any experience of these types and possible pros/cons of each as im not sure which is best?

    Thanks


Comments

  • #2
    blackbox
    Registered Users, Registered Users 2 Posts: 4,458 ✭✭✭blackbox


    I'd definitely go with EDPM rubber. Have used it for ponds and is totally superior to PVC. PVC is very prone to splitting when cold after a few years.

    Also, should it be necessary, EDPM is easier to patch.

    I am surprised that the prices are similar - I would expect EDPM to be much more expensive.


  • #3
    Seoighe
    Registered Users Posts: 8 ✭Seoighe


    did you do this job yet? which one did you go with? im doing a flat roof and balcony in the next couple of months :-(


  • #4
    max 73
    Registered Users, Registered Users 2 Posts: 120 ✭✭max 73


    blackbox wrote: »
    I'd definitely go with EDPM rubber. Have used it for ponds and is totally superior to PVC. PVC is very prone to splitting when cold after a few years.

    Also, should it be necessary, EDPM is easier to patch.

    I am surprised that the prices are similar - I would expect EDPM to be much more expensive.


    the pvc you've been quoted for is cheap and cheerful and may cause you problems in a few years (the pvc membrane does not split with the cold weather - pvc membranes are fitted and working perfectly in harsh weather climates, most of the pvc's can accomodate temps of -30 to-40 degrees C), the epdm, while a good product is not really suitable for flat roof applications, can cause porblems in later years

    asphalt, ruberoid or paralon built-up felt systems, single-ply pvc (sarnafil, protan or armourplan) all these products have IAB certification and have full insurance backed warranties/guarantees and are building regs complient and have a life expectancy of in excess of 30 years - enough to satisfy the DOE, whereas the products that you propose using could result in difficulties if you are selling your property at a later stage

    the cost for the above alternatives are similar for domestic buildings


  • #5
    shane b
    Registered Users, Registered Users 2 Posts: 598 ✭✭✭shane b


    Hi
    I went for the pvc because after searching the net there was more positive feedback towards the pvc than the rubber. Also from the contractors I talked to the rubber seems to used for larger areas.
    Contractor is due to start job next week so well see.


  • #6
    bertie1
    Banned (with Prison Access) Posts: 509 ✭✭✭bertie1


    Did you look into Fiber Glass


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  • #7
    TimberMerchant
    Closed Accounts Posts: 7 ✭TimberMerchant


    Hi all,

    I have a balcony and i need to seal it up. Currently i have a slab and 4 inch screed poured on top. What are the best options?
    I am told that ashphalt can crack. Im trying to look into fibre glass but nearest contractor is in Cork (I am in limerick)
    Any advice on best option of sealing this area? The area is roughly 70sq ft

    Thanks


  • #8
    xman33
    Registered Users Posts: 8 ✭xman33


    https://www.boards.ie/discussion/comment/61573533#Comment_61573533

    Hi Shane, i know it's a bit old thread. Could i ask how is your experience with PVC after these many years? i am facing the same decesion point as you were now. thank you.



  • #9
    shane b
    Registered Users, Registered Users 2 Posts: 598 ✭✭✭shane b


    https://www.boards.ie/discussion/comment/121658478#Comment_121658478

    I havent had issues with the roof section since it was done in 2009.

    I will say though that the top cover/layer feels a bit thin and I do be wary of puncturing it. The area rarely gets any foot fall other than the 2 or 3 times a year to clear the gutter or gulley. If have to use a ladder to say paint the gable ive used a plank of timber in case the feet puncture the pvc.

    Maybe thats me being paranoid though.



  • #10
    10-10-20
    Registered Users, Registered Users 2 Posts: 7,563 ✭✭✭10-10-20


    https://www.boards.ie/discussion/comment/121659049#Comment_121659049

    Well done on responding on a 15 year old thread! 😁 Proves why other forums are wrong to close off topics after a number of months.



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