July 17, 20215 yr Hi all, New member here, and keen DIYer. I’m looking for help with my current project. I’m installing a shotgun safe - it will be bolted into solid wood floors, which has worked fine, but then I’m bolting the back of it to my wall. I assumed the wall was plasterboard, and bought GRIP-IT plasterboard fixings, which I’m very familiar with having used them on other walls. I drilled the 25mm hole, however, found the wall was 3cm thick, followed by a cavity (1 inch), followed by some insulation. I have never seen plasterboard this thick, and can’t find anything online about such thickness plasterboard. The material is chalky like plasterboard. As I thought it was plasterboard, I then bought the GRIP-IT undercutting tool to try and carve out a channel for the product’s “wings” as the wall was too deep for standard fixings, however, this hasn’t worked - the wings don’t have space to open! That’s the reason why in the photo attached appears to have a channel/void. Could anyone please advise: 1) what building material this is? 2) the strongest way I can bolt into it? Thank you in advance! William
July 17, 20215 yr Author It’s an internal wall between my apartment and the communal hallway, in a modern build. It seems to be the wall in the photo attached, cavity, insulation then another wall which goes onto the hallway.
July 17, 20215 yr Looks like a hollow block - use a toggle bolt to get behind it into the cavity. Has you licencing officer told you that is ok as a location ..? Local one here wouldn’t pass that.
July 18, 20215 yr Gun safe should be on an internal wall, if this backs onto a hallway or other communal area then it shouldn’t pass inspection
July 18, 20215 yr 7 hours ago, PeterW said: Has you licencing officer told you that is ok as a location ..? Local one here wouldn’t b pass that. No way that would pass by my local firearms officer, I thought it had to be bolted to a solid external wall.
July 18, 20215 yr Double boarded plasterboard for sound insulation? As above, you really need something solid to fix to. Can you find a stud? I built-in some 6×2 noggins in a stud wall to coach-bolt to. I reckon it's as good as fixing to blockwork.
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