A short piece of underfloor-heating pipe pushed onto the foam gun's nozzle turns it into a four-foot-reach applicator — foam lands in the back of the cavity instead of curtaining over the opening, and the mess stays down.
Butyl joist tape's backing paper tangles into a sticky mess as you unroll. Fold the backing around so it adheres to the non-sticky back of the tape, get the first stretch stuck to the timber, then pull — the backing peels itself onto the roll and you lay tape like it never had a liner.
Score the face once, snap the sheet back along the score — then instead of reaching around with the knife to cut the back paper, snap the sheet the other way. The back paper breaks clean on the fold line.
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