JFDIY Posted April 21, 2020 Share Posted April 21, 2020 (edited) I've got about 140mm to make up in insulation between my sub floor and screed/UFH. My question is are there any benefits from an ease installation perspective to doing this in two layers V's one thick layer? Edited April 21, 2020 by JFDIY Link to comment Share on other sites More sharing options...
MikeGrahamT21 Posted April 21, 2020 Share Posted April 21, 2020 If you have multiple layers and you tape all of the joints on each layer, essentially there should be less chance of air infiltration. Thinner layers are easier to cut Possibly will work out cheaper Can't think of any other benefits. Link to comment Share on other sites More sharing options...
Russell griffiths Posted April 21, 2020 Share Posted April 21, 2020 2 layers and stagger the joints. Less pathways for heat loss. Link to comment Share on other sites More sharing options...
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