loft

  1. S

    20cm set back rule for lofts

    We are getting a rear loft built and I am confused about the 20cm set back rule, in particular on how it relates to the side of the house. We have a three-bed semi. The original roof sloped in from all three sides( hipped roof I believe in the technical jargon ). The roof has been removed...
  2. G

    Cutting loft insulation roll

    Hello, I want to insulate my loft which has narrow joist widths, the gap is between 280-330mm, less than the typical 400mm pre-cut roll. Problem is they all seem to be pre-cut. If you ignore the perforations and just cut to different widths, does the roll hold up ok? Cheers.
  3. L

    Pros & cons between universal beams vs parallel flange channels

    Good morning. For my loft conversion the structural engineer designed PFC steels to carry the new load of the 9" X 2" C24 floor joists. The building control officer stated that I could have also used universal beams instead, because "it would have cost a lot less in steel". Is this an accurate...
  4. StevieJK

    Loft - Pitched roof support question

    Hi all, Hoping someone with knowledge and experience of pitched roofs can confirm/deny my thinking here: I have a small loft that is the usual attic space made up of 2 small pitched roofs at the top of the house. There is no load on the roof sides apart from the usual tiles: Inside the...
  5. F

    Loft advice please

    Hi there, We have been in our property for about 7 months and our attention has turned to the loft space. It's an early 20th century detached house, with lath and plaster walls & ceilings. The loft insulation is an old type that I've seen in other properties of this age, some kind of loose...
  6. P

    Any views on my loft boarding scheme?

    Does anyone have any comments (good or bad) for this scheme to board out a part of my loft:- I'm going with 38 x 89 CLS studs running at right angles over the top of the existing trusses. Topped with 320 x 1220 chipboard sheets. This will be the central third of the loft. The sheets will be...
  7. P

    Does loft boarding cause condensation beneath?

    I'm thinking of boarding my loft, and have seen loft feet /spacers in the DIY stores. They raise the joist level 170mm. With an existing 100mm joist, that would be 270mm in total. This is coincidentally the current recommended insulation thickness. If you go with the recommendation...
  8. R

    Creating new loft hatch.

    Hi. So we are moving house soon and the existing loft hatch is situated in the room our son will occupy. It is a standard hatch. I'm wanting to create a new latch in our room and make it larger with an option to fit a ladder later. I've measured to joists in the loft and they as follows...
  9. B

    "W" Beams throughout loft in new house

    I'm a real amateur in terms of building and construction. The last two houses I owned (current and previous) have had cavernous lofts. That is to say you go through the hatch and can walk freely end to end. First house was a 1960s brick build 2-up-2-down typical 60s british...
  10. S

    Wood worm advice required

    Hi everyone, After recently purchasing our property, I've found some patches woodworm holes in the main roof joists. They are mainly at the upper half of two joists and from what I can tell they don't seem to be active. I've attached the photos below and would appreciate any advice given. Thanks
  11. R

    Rebating chipboard - how?

    Hi all, Long time lurker, but I've generally been able to find everything I need already mentioned somewhere else...until now! I'm currently boarding out a small area in my loft around the hatch, and plan to do this straight on top of the joists. (The remaining area already has a raised floor...
  12. N

    Council Objection to 20cm eaves rule for Dormer

    Hi I am new to the forum but I have seen many helpful comments on other threads so appreciate if someone can guide me. I had a loft conversion done with a dormer about 2 years ago. I had involved an approved inspector from "Complete Building Control" to issue final certificate. The work was...
  13. M

    Advice required for boarding out a loft (with down-lights)

    Hi all, I am currently planning out the boarding/insulating of my loft. We have downlights in a couple of the bedrooms so I want to make sure everything is safe with regards to keeping them away from the insulation. My joists are 35mm wide and 90mm high - the spotlights stick out about...
  14. C

    The attic (erm... loft?) from hell - where to begin

    Hello, I've just moved in to a new house this week. I'm really keen to get all the cardboard boxes with "attic" written on them into the attic, but after having my first peek up there yesterday, I'm not sure the boxes are headed up there as fast as I'd hoped. I've taken some pictures, but they...
  15. J

    Inspection hatch to small roof void?

    Our bungalow has a loft conversion with a small roof void, probably less than a metre from the bedroom ceiling plasterboard to the ridge beam of the roof. There's no access to that roof void (although electrics and ventilation ducts run through it). The tiles on the roof are becoming twisted...
  16. A

    Loft Conversion - What is this roof type?!

    Hi everyone! I am looking at converting my loft potentially by myself over a period of time, into a habitable space (with building regulations approval & structural engineer input, but without a dormer). I am at early stage and set the scene below: I live in a 1963 semi detached house - I...
  17. D

    Extra layer of insulating board?

    Our house is circa 1900, stone built. Top floor is converted. One bedroom is warm enough because it's a newer dormer, but the hallway and other bedroom are cold. Both mainly have a pitched roof. Both ceilings painted but one appears to be standard plasterboard, one Styrofoam and both are pretty...
  18. A

    Crumbling support under purlin prop

    Hi, I have a purlin prop resting on a brick wall. Upon closer inspection the mortar joints on this brick wall is crumbling away - if you dig you nails in it starts to break away. The bricks arn't in great condition either. What would be the best way to fix this wall. I understand it could be...
  19. K

    Best course of action for a roof with no ventilation

    We are busy renovating a property built in the 1930s. As we go along we inevitably find things that are a bit surprising, forcing us to change our initial plans. We would like to ask for advice on what the best course of action is to clad the upstairs area under the roof. The situation The...
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