felt

  1. Jackwoodhouse18

    Condensation or leak in loft?

    Hi, Since moving into my house last year I’ve had a constant problem in the colder months with my felt being wet through on the underside and droplets of water dripping onto my insulation. I have had a gable vent fitted, lap vents installed, ridge vent fitted and the house already has vents in...
  2. L

    Roof repair and loft insulation

    Hi, I am struggling to understand my roofing contractor's quote and reasoning behind some of the work. The roof on our rear extension (extended by previous owner) is missing the edges in the bottom corners and it slipped over the years. We need to replace the old skylights, so we want to...
  3. D

    Hole in roof felt under ridge tile.

    Hi, I've recently moved into a house and have discovered this hole in the roof felt. My initial reaction was of course looks terrible and I need to patch right away. I've discovered that it is however right underneath the one vented ridge tile, so I'm wondering if at some point it was opened up...
  4. KanielDemp

    Heavy Loft Condensation

    Hi all I hope you're all keeping well This is my first post and I'm hoping to get some advice on a case of extreme condensation in my loft. I've read the various threads I could find, but wanted to get your take on the solutions I've been offered by several roofers before taking the plunge. I...
  5. M

    Insulating the roof of an old house

    Hi, I'm looking at buying a small house the roof of which has been re-tiled some years ago with concrete tiles but there is no felt under the tiles. It's a storey-and-a-half house so the upstairs floor is in the roof space/rafters, and I want to insulate this roof space to use as bedroom space...
  6. T

    Water pooling in pitched roof felt underlay

    Hi everyone, just looking for a bit of independent advice until I get a professional in to take a look. We moved into a 20 year old house about 2 years ago, house had been empty for a few months and there had obviously been some escape of water/roof leak at some point and the plasterboard...
  7. F

    Bay Window Shingles Vs Render

    Hi everyone! New here, looking forward to being massively impressed with your immediate support! (I have zero time to decide on the below!)... We have to have our entire house rendered, much to our servere disappointment. Our bay window shingles. Part of the render agreement is to remove them...
  8. SS-ProjectBuild

    Flat Roof Structure...what nails to use?

    Hi Guys, I will be attempting to frame my own 100sqm flat roof my self! Will be using 9x3 timber all round.... what type of nails and sizes do you suggest fo this size timber? I will also be creating a trimmer for part of the roof...what is the best way to bond the 2 timbers....nails or bolts...
  9. SS-ProjectBuild

    Flat Roof / Joist layout

    Hi guys, Would anyone be able to suggest the best way to frame this flat roof (cold roof because of height restrictions)? Will be using C24 9” x 3" and all the internal walls are solid block load bearing. I was thinking about creating a 2 way fall to each side with firring strips. OSB and then...
  10. bettz1

    Shed Felt advice

    Thanks to this lovely weather I've got to re felt my shed tbh I've been patching it up for a while. I've no idea how I'm going to do it as I can't get the left fascia off as the previous owner has put it up against the wall. Any advice on what felt I should get? I've had a quick look on...
  11. J

    Is Cromar Vent3 OK for a house roof?

    My roofer has recommended Cromar Vent3 (the basic one) to re felt my pitched roof, but on checking I see there is also a Pro version, should I insist that he uses the Pro? Cheers John https://www.cromarbuildingproducts.com/products/vent3/ - basic membrane...
  12. G

    Shed felt - one or two layers?

    Evening, I need to re-felt my shed. Is a good quality felt ok, or should I spend more time / money on a separate underlay and topsheet? Cheers.
  13. cwhaley

    Gazebo Overhang

    I built a decked area with a gazebo above it. I laid 18mm ply on the top with felt which lips over the edges by about 6". Unfortunately I didn't calculate the overhang right. As a result of this, driving rain gets into the gazebo from all sides. Currently it's soaking wet. I'm a bit gutted about...
  14. C

    Is this Asbestos pipe lagging in crawlspace?

    Working in crawlspace at the minute to insulate floors and pipes. Current pipes have this felt type lagging around it and I'm quite hesitant to disturb it. Question is... do you reckon it's Asbestos or not? Pipe Lagging 01 by costley posted 8 May 2019 at 11:05 AM Pipe Lagging 02 by costley...
  15. 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...
  16. L

    New roof cost

    Hello everyone, new to the forum, ive just moved into a property and my attention has now turned to the roof, I knew the roof wasn't in great shape when I bought the house and throughout the years there is evidence of repair jobs and replaced tiles. The house was built somewhere between the...
  17. 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...
  18. A

    Installing terminal vent (cooker hood) onto flat felt roof

    Hi all, I would like to install a terminal vent (Ubbink OFT-1F) for my cooker hood onto the roof of my extension, which is built up felt. The vent has a integral plastic flange. I'm fine with cutting a hole through the roof as required but i was wondering if someone could tell me what i...
  19. 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...
  20. M

    Neighbour's felt roof bonded to my garage - need to remove it!

    Evening all, had a look around but could not find anything that seems similar to my problem - but apologies if this is duplicating another thread. I'm looking for any advice you might have regarding me disturbing my neighbour’s questionable flat felt roof when I come to re-roof my garage. The...
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