suspended floor

  1. J

    Suspended floor requirements

    Hi all, I'm looking at DIYing a suspended floor as part of a single internal garage conversion. Approximate size is 2.1mx4m so its not a huge area. Just going to be using it for a home office. I know I need to install a suspended floor to bring it level with the rest of the house but I'm...
  2. M

    There's a stream in my house

    Hi. I have just purchased a terraced house. Built circa 1890. It's in a row of 24 houses built on a relatively steep hill. The houses are built in pairs. Each pair is lower than the pair before as they step down the hill. I'm near the bottom. I'm situated so that, looking at the house, the house...
  3. D

    Upgrading A 1930’s House’s Energy Rating

    Most people when when upgrading a 1930’s house they think changing the boiler and replacing windows will keep them warmer and save costs on heating but that’s really only going to help so far people don’t realise the cold air under their feet and the pipes under their floor are likely not...
  4. R

    Damp oversite.

    We have a 1.4 metre void under our suspended wood floor. The oversite below is always damp and on one side of the property there is signs of water that has percolated in at footing level and run to the back of the house. I have cleaned out all the builders muck and found that the damp has not...
  5. R

    Suspended floor insulation - need for a membrane?

    I’ve read all the previous threads about this topic but it doesn’t resolve my query. I am going to use 100mm fibre insulation between the joists supported by mesh/netting underneath but do I need a vapour proof membrane over the top before relaying the floorboards? The floor is well vented...
  6. Z

    Suspended timber floor or concrete slab?

    Our semi was built in the 1900s with a traditional edwardian layout and modern extension at the rear. We moved our kitchen to the extension and now renovating the old kitchen. The "old kitchen" is suffering from rising damp on 3 walls (excluding the external wall) caused combination of things...
  7. T

    Kitchen renovation: is suspended timber sturdy enough for tiles + mould on walls/cabinets

    Hello all, we are re-doing the kitchen, it is in an extension off a terraced Victorian house. The kitchen size will be roughly 2.38m x 6m. I have a couple of challenges coming up, questions underlined. A. the floors of the main building are higher by 18cm than the current kitchen floor (which...
  8. S

    Repair to suspended floor

    Hello I have a suspended floor that needs reparing and would be grateful for some advise The suspended floor was sagging in the corner and I removed the lamonate to expose the floor boards. See photo. The floor boards are rotted and the joist underneath. I'll need to replace them and treat the...
  9. V

    Underfloor ventilation conundrum

    So underfloor ventilation is necessary for suspended floors - be they timber or concrete. Our extension happens to be concrete beam and block. Fine then, telescopic vents would be the usual solution to bring the vents up from below the beams up to the outside walls above DPC level...
  10. A

    Insulating under timber floor, how to get behind sleeper wall

    Good afternoon, Im looking to insulate my suspended timber flooring (ground floor) the crawl space under the house is around 70cms, which I've been around and am happy to work under. Im planning on using king span between the joists. I can fit in crawl space all around the house expect where...
  11. O

    Old suspended Fl; insulation, breather membrane, plywood between joists

    Sorry, this is a nested question.. Old suspended 1960s floor comprises: 3" void, 3" timber heights (sat on engineering bricks, levelled with cement), floorboards. Joist spacing sees 440mm approx inbetween joists. Joists are 2.5" wide. Goals: - insulate between timbers - UFH: install over tray...
  12. J

    Quick question about air bricks

    Hi -- I've looked through the archive but can't find an answer to this particular question, so I apologise if it's a repeat. I've just moved into a mid-terrace Victorian house (c.1880) and I'm fixing up the suspended wood floor in the downstairs; this includes putting celotex in between the...
  13. D

    How To Insulate A Suspended Floor And Central Heating Pipes

    Here's videos of my efforts and progress so far I've almost completed the whole ground floor now just the remaining of the hallway I can't do till I remove the old stair but I have completed the entire downstairs central heating pipes all now insulated. So my next project now is building the new...
  14. D

    Insulating A Suspended Floor

    I've started a massive upgrade on my house following finding out I had a cowboy builder who done my loft did everything wrong as he didn't fire proof and insulate the loft which is technically dangerous. Which the building control failed to enforce the regulations at the time and after forcing...
  15. D

    Solutions for 800mm floor joist centres?

    Hi, I would like to lay a new floor covering in the first floor bedroom in our victorian terrace. The problem is that the 5x2 floor joists (actual size 120mm x 60mm) are at 800mm centres with no noggins and span roughly 2.4m. Ideally I would make the structure better in order to accommodate...
  16. D

    Solutions to 800mm floor joist centres

    Hi, I would like to lay a new floor covering in the first floor bedroom in our victorian terrace. The problem is that the floor joists (120mm x 60mm) are at 800mm centres with no noggins, spanning roughly 3.4m. Ideally I would make the structure better in order to accommodate a standard 18mm...
  17. C

    Concrete slab on mud under suspended timber floor?

    Hi, I'm renovating an old 2 up 2 down terrace house and need to replace the downstairs timber floor. An old extension on the back blocked the rear bricks (this is going to be replaced) and as such under the floor the mud is damp and wet causing the old floorboards and joists to rot. A builder...
  18. T

    1920's chimney breast, suspended floor hearth construction

    Hi, I'm renovating my house and decided to replace the floor joists as they were bouncing. They were also rotten in my other room. I'm going to insulate in between them all and relay new floorboards. There was a lot of debris (sand, rubble etc) below the floor with I have cleared out. All the...
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