[Chris J Dixon]

johnboy wrote:

Would hardboard be sufficient to protect the insulation? I don't think
I'd be storing anything that would be likely to get through that.

is there some special tape for sticking sheets of insulation together?
I'd be using 8 * 4 sheets but would have to cut them into 8 * 2 sheets
to get through the loft hatch.

The centre area of my loft was already boarded with a mixture of
materials that had accumulated over the years.

I then covered this with two layers of Knauf space board
insulation,(1200 mm x 500 mm x 50 mm) with the joints staggered.

As I needed to hold everything down, and the insulation will dent
from point loads such as bony knees and storage box feet, I
covered it with hardboard (full sheets cut across into 500 mm
strips {plus off cuts} at B&Q) and screwed it all down to the
boarding using M6 x 120 mm woodscrews which were on offer at
CPC.

I was very pleased that the installation went exactly as planned.
I did drill pilot holes, but the screws would probably have
self-drilled.

The only slight problem, which became apparent after a few weeks,
is that (despite the fact that the hardboard spent some of the
autumn stored in the caravan, until I could get the job done) the
sheets have expanded slightly and bowed a little. I haven't been
up there recently to see if the summer weather has shrunk them
back.

Chris
--
Chris J Dixon Nottingham UK


Have dancing shoes, will ceilidh.