flat roof

  1. T

    10 x 2 joist centres for flat roof

    Hi all, I'm putting 10 x 2 joists in for a flat roof. The span is about 3m from wall plate into steel and then the same out of the other side of the steel to the fascia. The steel section is 254 tall so I've gone for 10x 2 to give a flat roof and a flush ceiling. Can anyone advise on the...
  2. D

    Pitched roof meets flat roof

    hi all, just wondering if anyone can help with a little roof issue a workmate has, he's had an extension that has an almost flat roof(slight pitch) which butts up against the pitched roof of the garage, currently theres a 200mm brick upstand to the rear of said flat roof, the tiles from the...
  3. T

    Large flat roof. Best covering options?

    Hi all, I’m having a flat roof on an extension I am building and the area is approximately 8m x 6m - 48m2 (not taking into account the skylights) please can anyone recommend a roofing system that’s suitable for large areas such as this. It will be visible from the upstairs windows but I...
  4. EdBeard

    Flat roof - botch job or not?

    We've recently had a loft conversion done, with a warm deck roof. Inside the loft the ceiling feels cold. The builder said that's normal. A different roofer has come round and said the flat roof has definitely not been done correctly. Some pics are attached - I'd love to know your thoughts...
  5. T

    Wall plate needed?

    Hi all, I'm currently self building a single storey extension and I'm wondering wether I need a timber wall plate or not. Can I just run the timbers over the blockwork and brick and use restraint straps as pictured? My timbers are running the steels to give a flat ceiling and in years to come...
  6. J

    HELP - DAMP AROUND WINDOW

    Hi there, This is my first post on the forum, nice to meet you all! I have just bought my first house, apart from all the sockets falling off the walls it all seemed okay until Monday. It rained overnight and I woke up to a large damp patch around my bedroom window. It hasn't rained since...
  7. K

    Help with Cross Ventilation - Flat Roof

    As my builder buggered off without putting in the soffit vents I had BC out last week and lo and behold it's changed and we need cross ventilation on the flat roof of my extension and we're not able to just put in the soffit vents on the front overhang, but rather being asked to do it from side...
  8. O

    Fibreglass roof - incorrectly edged?

    Hi all, I am looking for advice on the best way to repair a fibreglass roof. I have moved to a place with a single story extension with a fibreglass roof. I was aware that there has been some damp on the ceiling side when I bought the house, and am now looking to fix it. I have never worked on a...
  9. D

    Insulating flat roof (moved from Projects)

    Hi DIYnot, Wonder if I could call on your expertise. I have 1973 house with flatroof with asphalt on tonge-in-groove construction. Under this is an 11" high cavity with no ventilation between rafters. There is 20mm polystyrene insulation resting on plasterboard with the obligatory artex finish...
  10. Careful_Bodger

    Liquid Acrylic Products for Flat Roof Refurb (not leak repair)

    I have a flat roof in good order needing a bit of TLC to improve the weathered areas and extend the life a bit. I have been quite impressed with Wickes Acrylic (with fibres), so was thinking about giving the whole ~ 20 sq.m roof a coat of something similar. The products I have looked at range in...
  11. R

    Flat Roof Repair Advice

    Our flat roof was done about 4 years ago and we noticed a "house shaking" noise about a month ago. It happened about 2 or 3 times, but we had no idea what it was. After being away for a few days, we recently came back to notice that the corner of the flat roof had peeled and rolled back on...
  12. R

    Utility Ceiling maybe rotten?

    Hi We recently purchased a detached property and it has a flat roofed utility that backs onto the garage. Its not a massive area but my father in law painted the ceiling in that room and poked a hole through it about the size of a tennis ball very easily. It would seem that area is rotten...
  13. D

    Roof Terrace

    Hi, My flat has a roof terrace, that doubles as the ground floor flats roof. The roof doesn't appear to be leaking into the downstairs, or at least there has been no complaints that it has. My flat is located in a block of 4, the maintenance of the flat roof is supposed to be split 4 ways...
  14. G

    Fastening down 150mm flat roof

    Hi all, Im nearly ready to lay down 6x6m warm-deck flat roof single story with 150mm insulation sanwiched between 18mm OSB3 T&G sheets. EPDM on top. Having read about wind uplifts and need to secure things down, can I ask for some advice on fastening down 150mm/OSB sandwich please. Is it...
  15. M

    Pumped HW

    Hi, I live in Scotland,UK and have a flat roofed house and my hot water cylinder is in the cupboard of one of the upstairs bathrooms giving a very low head of HW pressure to my two upstairs bathrooms (and low pressure downstairs too). My CW is mains pressure. What I would like to do is fit a...
  16. B

    Permitted development flat/pitched roof

    I am planning to put a pitched roof on an existing ugly flat-roofed two-storey extension to my house. The extension is on the principal elevation and the propsed roof ridge will be lower than the original/main roof ridge. I assumed this was PD under Class B (Permitted Development) but am being...
  17. C

    Flat roof where windows extend above joists

    I am considering some options around remodelling the back of my property to knock down an existing flat-roofed construction and replace it with a marginally larger one with large glass doors (roof size of ~5m by 2m or thereabouts), with probably a zinc roof. I will require a structural engineer...
  18. K

    Flat roof repair or replace?

    Hi all, I have a 6x3m garage roof that has started letting water in. I apologize if I don't use the correct terminology in the following expatiation. I should mention that I'm about to sell this house and obviously I want to avoid spending a fortune on fixing this problem. I have a friend who is...
  19. filipe

    Cooker hood vent through flat roof

    Hi all, I'm installing a cooker hood in the kitchen that can only output via the kitchen's flat roof. The flat roof is made of tar an gravel. The question is, can I use this kit? Is asphalt compatible with tar and gravel roofs...
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