flat roof

  1. F

    Flat roof question

    Evening All, Iv recently had a new flat roof replaced and was wondering if the attached pictures are the norm in how there is a gap between the edge of the flat and the facia board. The wood is visible. I was told the was something called a drip ledge or something along those lines. Any help...
  2. M

    fibre glass flat roof cracking

    Hi everybody, an help would be helpful , I’ve had my flat roof replaced twice now and reboarded but after 18 months it’s started showing cracks and splits already , any ideas why this could be happening ? Im at my wits end with it Thankyou
  3. R

    Ceiling insulation advice needed

    I am in the middle of a refurb and I have taken down the plasterboard ceilings in the rooms on the top floor of my house in order to access cabling routes and get rid of an ugly artex problem. I would like to take the opportunity to put some Rockwool in the ceiling before I put up new...
  4. A

    Please help - Installing soil pipe over flat roof

    Hi there, let me just start by saying I am no plumber or expert and am looking for some advice on doing my first 'big' DIY project of turning a small bedroom into a bathroom, specifically with the toilet. I want to put the toilet below the window on an external wall which is upstairs and...
  5. S

    Do i need this support beam on my flat roof?

    Hi, I am in the process of renovating a home gym where I live and i really want to plaster board this ceiling and remove the central beam to make it a flat surface. Does anyone know if I would be ok to take this beam out? The width is 4 meters and its a flat roof with felt on it. thanks,
  6. G

    Building Flat Roof

    Hello All, I am building a workshop, the plan was for 8m x 5m which planning & building regulation granted permission. But would like to have more space and build it bigger. The new plans will be for 10m x 7m. I am stuck on the flat roof design, any advice is greatly appreciated. How should...
  7. S

    Fitting Fascia Boards

    Hi, For an outbuilding, we have 9inch (220mm) roof joists and 4in (100mm) insulation and 18mm OSB3 boards for a warm flat roof. Based on this I think I will need at least 340mm Fascia boards - but I can't seem to find any; most seem to go up to 225mm only.. I was planning on using 18m fascia...
  8. V

    Which gravel to cover a flat roof?

    Hello Please excuse this newbie question, but I'd like to replace the gravel/ballast on my garage roof which is flat with a slight slope. The smallest gravel they sell at my local DIY is 10mm pea shingle, but the gravel I am replacing is much smaller, here is a photo comparing each of them...
  9. StephenStephen

    EPDM: rubber4roofs or firestone?

    I'm reroofing a porch roof, approx 3 square metres. Planning on 18mm ply (joists are sound) with EPDM on top. Is it worth spending time and money getting firestone rubbercover, or would something generic like 1.1mm EPDM with adhesive from rubber4roofs be as good?
  10. H

    Warm roofing and GRP Fibreglassing Single Storey Flat Roof

    Looking for advice please. I've got a flat roof single storey bathroom that needs a new roof and I've looked at GRP Fibreglass as the route to go down. I also wanted to insulate the flat roof and have read all the advice stating that a warm roof is superior to a cold roof. If the Celotex for the...
  11. D

    Will Brick acid damage a flat roof with felt and gravel?

    Hi all, I have a wall that is above a flat roof extension, the flat roof is felted and gravelled, I have to remove some very poor mortaring from the brickwork, the mortar will eventually need removing as it is a different colour to the rest of the mortar but for now all I have to do is remove...
  12. A

    Converting flat roof from cold to warm roof

    One of the many little gems I've come across when renovating my house is that my flat roof is a cold roof - the insulation sits directly upon the plasterboard with a gap above between the insulation and actual roof. I'm contemplating converting this to a warm roof as I may as well do it now...
  13. L

    Existing Ground Floor Extension Flat Roof to Pitched - Planning Permission?

    Hi All I am looking to buy a semi-detached property which currently has a rear ground floor extension (extension also goes slightly down one side of the house) and as the roof needs re-felting etc. I would like to know/clarify whether changing this roof to a pitched roof would require Planning...
  14. S

    Warm Flat Roof?

    Hi, hope I have posted in this in the right section of the forum.. i'm getting a loft conversion built - the builder has put 25mm of insulation above the joists and 120mm inbetween the joists in the flat roof. he's said this makes it a warm roof therefore it doesnt need any ventilation.. is...
  15. C

    New Flat Roof Extension - Parapet Copings

    Hi all, We are having a single story extension built. The house was originally built as one of a pair of similar properties in the late 70s. Our neighbours already have a single story extension with a flat roof and parapets. Due to this, we opted to go for the same style of extension to keep...
  16. B

    Replacing a flat roof

    My wife has very kindly volunteered me to replace my mother in laws flat roof. Last year one of her neighbours was doing some painting outside and it appears he damaged the roof (which I'm guessing was already rotten). So my plan is to remove the existing felt and ply and replace in reverse...
  17. G

    Corrugated garage roof to flat

    Hi Everyone, First post so please be kind :-) Seeking some advice to change my corrugated roof to a flat felt system. My garage is joined to the neighbours. Currently the plan is to remove the roofing sheets, add a new lintel over the garage opening, add strengthing battons every 4ft to the...
  18. Bagheera

    Flat warm roof- VCL needed with celotex?

    Hi all, I'm building a timber framed garden room with a flat warm roof. my build up for the roof will be: joists 18mm OSB3 sub-deck vapour control layer 100mm foil backed celotex GA4100 or similar 11mm OSB3 top deck EPDM My questions are: 1. Do I need a VCL considering the foil on the...
  19. O

    Flat roof - is underlay essential?

    Planning on using a torch on cap sheet direct to fresh osb without using the recommended underlay...is this a bad idea? If the cap sheet is bitumen backed and therefore fully water proof and has good adhesion to the osb I'm struggling to work out what the underlay actually does...unless I'm...
  20. J

    EPDM edge trim and breathable gap

    Been looking for weeks but cannot find any specific details on this; I'll try to explain but apologies if I waffle. I'm building a garden studio, timber frame, without overhang. The top of the cold roof has 25mm air gap above celotex insulation then osb roof, then will be epdm. The walls have...
Back
Top