Insulation knock in plastic fixings (peg into tube)
There are various insulation "knock in" plastic fixings whereby you
knock a peg into a tube.
Are they strong enough to go thro 9.5mm PB & 40mm Celotex?
Obviously the PB would require a 5-6mm skim, just wondered if it would
work re avoiding wood battens on solid brick walls and all the mucking
about that involves.
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