I have underdrawn my sloping roof rafters with 50mm insulation, i'm fixing 9.5mm plasterboard through the insulation to rafters - i have purchased a tub of 5x75 multi-purpose single thread screws from B&Q - will these be ok to use or shall i go to screwfix and get some 75mm drywall screws?
What are the pitfalls of using the multi purpose ones - if any???
thanks
Eddy
What are the pitfalls of using the multi purpose ones - if any???
thanks
Eddy