| Gallery, Projects and General > How do I?? |
| Insulating a Roof Gap |
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| lordedmond:
--- Quote from: awemawson on May 21, 2015, 12:39:19 PM --- --- Quote from: Stuart on May 21, 2015, 12:30:24 PM ---Andrew Look here http://www.irrigationonline.co.uk/black-armaflex-rubber-pipe-insulation-lagging-13mm-wall-thickness/ They have it up to 4 inches on the drop down list to bulk it up one inside the other Stuart --- End quote --- Now that's pretty close in the 4" size with the 1/2" walls giving 5" :thumbup: But £17 metre :bugeye: I only need about 18 metres or so so there £300 gone bang :( Now how much heat am I loosing and how much does £300 buy :scratch: --- End quote --- Andrew But you did not mention price :doh: Stuart |
| NormanV:
What about using 6" square foam strips instead of round? That should be easily available from foam suppliers. I used to work for a company that cut foam to size for packaging using a large band saw. |
| awemawson:
Still got contacts Norman? I can only find 4" and then only the 'upholstery' type which rapidly crumbles away to dust - there is a white firm foam used in some packing that I 'think' would be ideal - not sure what it's composition is but again 'I think' it's "None cross link Polyethylene cushioning foam" according to this web page: http://www.foampackaging.co.uk/materials/stratocell-foam/ Now - anyone got a big sheet of that 6" thick ........ :ddb: |
| tom osselton:
Just a thought, If you just plug the inside wouldn't there be a problem with pooling water damaging walls, or mold? |
| chipenter:
I used to cut Celotex to size with a hand saw , it's avalable in up to 200mm thick sheets at £80 a sheet its not cheep , and the dust is full of static and seems to follow whoever dose the sawing . |
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