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insulation boards

Building insulation materials are the building materials which form the thermal envelope of a building or otherwise reduce heat transfer.
Insulation may be categorized by its composition (natural or synthetic materials), form (batts, blankets, loose-fill, spray foam, and panels), structural contribution (insulating concrete forms, structured panels, and straw bales), functional mode (conductive, radiative, convective), resistance to heat transfer, environmental impacts, and more. Sometimes a thermally reflective surface called a radiant barrier is added to a material to reduce the transfer of heat through radiation as well as conduction. The choice of which material or combination of materials is used depends on a wide variety of factors. Some insulation materials have health risks, some so significant the materials are no longer allowed to be used but remain in use in some older buildings such as asbestos fibers and urea.

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  1. A

    Insulation boards, which to use?

    I need to fit some insulate boards to a room before self leveling over the top of the boards to level the floor to the same height as adjoining floor. Both floors will then have a piped hot water underfloor heating system fitted which will be screeded again before laying either tiles or...
  2. D

    Self Levelling Compound Has Hairline Cracks After Walking Over It. 20mm Insulation Boards Underneath - Too Much Flex?

    Hi everyone, Hope to get some help and advice please. I have laid down 8mm of self levelling compound on a concrete floor after priming it so it was a good level to work off (I also included an 8mm expansion joint around the perimeter) (Conservatory is 15 years old and area of 14 m2). I then...
  3. S

    insulation board help please (no UFH)

    1950s ex council house, solid concrete floors, about to have the ground floor tiled - hall, kitchen, utility and bathroom in 10mm porcelain tiles. Hopefully it's not too silly of a decision, but to keep installation and running costs down, we've decided not to install UFH in most of it (but...
  4. N

    Are insulation boards needed?

    Hello, I’m just having some work done in my house and decided to go with underfloor heating. Seen some other comments about using underfloor insulation boards. Asked my builders who said not needed as would raise the floor too much. Just wanted to check before work starts. Floor is concrete...
  5. J

    Aus Insulation Boards thickness

    What are the advantages of 20mm boards against 10mm boards on top of concrete slab. Would the underfloor heating on top heat up any quicker or would the thicker board just prevent the heat from dispersing less
  6. P

    Looking for advice on tiling over UFH

    Dear Experts! Here's a homeowner looking for advice about a home renovation project. It's a mid-terrace property built in the 70's, located in southeast London. I'm planning to retrofit wet UFH to the whole ground floor and laying procelain / ceramic tiles on top. There are two rooms to be...
  7. A

    Electric UFH Insulation Boards on Weyrock

    Hi all, Got my dad's en-suite to tile, planning on laying some electric underfloor heating down and just want verification. It's a weyrock floor currently. My plan was to lay insulation board (link below) on top of the weyrock, then the UFH with some self levelling compound on top of it, and...
  8. B

    Electric UFH Hardiebacker under Insulation boards?

    Hi Guys, in my current bathroom job its been a late decision to have an electric underfloor heating mat. Its 18mm chipboard well screwed down and I've bought, cut and laid 6mm Hardiebacker but not fixed or glued it yet. Shall i do away with the Hardie and just screw and glue 6mm insulation...
  9. Simons70

    Sub-floor board

    I have to raise the floor in bathrooms with 109 mm before tiles. The client want use Knauf dry screed board (23mm) before tiles. What suitable substrate for tiles, as we want to avoid the subfloor construction moving or collapsing in the future ?
  10. JMC tiling

    dot n dab backer board onto brick

    Evening all. Got a job where I have to dot on dab some tile insulation backer board onto brickwork to build them out to the same depth as the existing plasterboard. I am going to mechanically fix them aswell but wanted to know whether to use plasterboard adhesive or tile adhesive on the wall...
  11. M

    Electric UFH insulation boards

    hi all I have a concrete floor to tile with electric heating and 10mm slate I have seen these boards called xp pro insulation boards I usually use the insulated tile backerboards has anyone used these boards and advise me cheers
  12. S

    Preparation Laid Insulation Boards Without Adhesive

    Hi Folks After a bit of advice please. I am DIY installing elec UFH and tiles into my kitchen before the new kitchen is fitted. The floor is a concrete slab which I surfaced with a layer of flexible self levelling compound. Then laid 6mm polystyrene insulation boards onto which I laid the UFH...
  13. F

    Priming Insulation Boards

    who usually primes the back of a cement coated board? I have some times and not others
  14. J

    Electric UFH Adhesive Advice For Fixing Insulation Boards

    Guys, Just looking for some advice on fitting some insulation boards. I have removed the asphalt so back to a concrete floor as asphalt was very loose and breaking up - came up easy. Now looking to but 10mm ins boards down, once primed.......my question is: For a concrete floor would you use a...
  15. F

    No More Ply, Or Insulation Boards?

    how do chaps, been reading on here from time to time and thought I would sign up, so,ex good info on here. I have a job coming up, 90sqm or large format porcelain. The floor is concrete and is having underfloor heating mat throughout. The question is what to put down first, just concerned about...
  16. A

    Uheat

    Anyone on the forum used UHeat's electric UFH? Got a very very good price frim them today. But conscious that I've never used them before and don't want to trip myself up. Their ecoboards? Any feedback? Opted for their loose wire and touch screen start. Again, any feedback?
  17. G

    underfloor heating on bitumen floor

    hey guys In 2 minds wether to put underfloor heating in my kitchen. I've currently got a bitumen floor which I've read you cannot put it directly onto the floor. Now will 6mm boards be ok to put down then lay it on top of that? (trying to minimise the height of the finished floor level). Is...
  18. J

    Insulation Boards

    What thickness should the insulation board be when laying onto a concrete subfloor. I have to install electric underfloor heating and porcelain tiles.
  19. R

    insulation boards on concrete

    I got about 40 m2 of porcelain floor to do. concrete slab, insulation boards, heating wire, and tile. Do you screw or just glue insulation boards to concrete? cheers.
  20. Chalker

    Underfloor on insulation boards

    What's everyone's preferred method of securing loose wire element to insulation board before slc? obviously tape, but I think personally it covers too much floor. :thumbsup:
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