Hi!
I'm fitting a floor to my loft (not a complete one , & have a question about insulation - I've just had some of that yellow glasswool fitted, & am wondering how much insulation to leave beneath the floor when I fir it (well most of it as it's impractical to go right out to the eaves - & probably best not to, in order to let it breathe). So, is it OK to compress the existing 9" of glasswool into 5" of floorspace? I know physically it can be done, but will that reduce the insulation effectiveness of the glasswool by reducing its airspace? - Or to word that differently, is there a ratio (of insulation to minimum space) for working out minimum acceptable effectiveness?
If that's a problem, would I be best to remove a layer before fitting the floor?
Cheers,
Jim
I'm fitting a floor to my loft (not a complete one , & have a question about insulation - I've just had some of that yellow glasswool fitted, & am wondering how much insulation to leave beneath the floor when I fir it (well most of it as it's impractical to go right out to the eaves - & probably best not to, in order to let it breathe). So, is it OK to compress the existing 9" of glasswool into 5" of floorspace? I know physically it can be done, but will that reduce the insulation effectiveness of the glasswool by reducing its airspace? - Or to word that differently, is there a ratio (of insulation to minimum space) for working out minimum acceptable effectiveness?
If that's a problem, would I be best to remove a layer before fitting the floor?
Cheers,
Jim