rock mineral wool

Recently had a full home re-wire and now the living room and passageway have exposed joists where the ceiling was ripped down to cable the new electrics. before we plasterboard the ceilings I thought it might be a good opportunity to stick some insulation up to hopefully lower the heating bills...

As I have all the ceiling void exposed. before closing down i would like to stick some insulation between the joist. What would be the most cost effective option? Not looking for crazy expensive stuff considering the large quantity but something that still will work at considerable price. Thanks

Hi there. I've had some very helpful advice from this forum recently, but need some more if possible. Just wanted to confirm the insulation specs. The plan is currently; Floor 75mm PIR insulation laid directly on concrete with glued battens spanning front to back as a fix for scaffold...

We’ve been working to insulate the eaves / void area of my semi detached 1970s dormer. The area won’t be used for storage so I’m insulating the dwarf/stud wall and 1st floor/ground floor ceiling (rather than the rafters). The wall is foil faced plasterboard on 75mm studs. I understand that the...