I need to fill a gap between my chipboard floor and the skirting before I get a new carpet (The gap is up to 1 cm in places - but I am not going to move the skirting - too disruptive. The gap will be hidden by a light carpet - hence the reason I want to fill the gap to prevent dirt being blown in.
I am thinking that a caulk / mastic will use too much and am considering an expanding foam. Any recommendations? I guess one can will go as far as about
3 cartridges and will reach in further.