James94 Posted November 10, 2020 Share Posted November 10, 2020 Just helping a family friend to hide some new tv and lighting cables in a dot dab wall. The question is can I just fill gap straight over the wires with plaster board adhesive, will it cause any harm to wires and would I have to apply a coat of plaster over the adhesive or would it finish similar to plaster for painting. regards. James Link to comment Share on other sites More sharing options...
Big Jimbo Posted November 10, 2020 Share Posted November 10, 2020 The mains wire dont look like it is 50mm deep from the surface. So as a minimum it will need a capping over it. Link to comment Share on other sites More sharing options...
Triassic Posted November 10, 2020 Share Posted November 10, 2020 9 minutes ago, Big Jimbo said: The mains wire dont look like it is 50mm deep from the surface. So as a minimum it will need a capping over it. Plastic or metal caping? Link to comment Share on other sites More sharing options...
Big Jimbo Posted November 10, 2020 Share Posted November 10, 2020 I always do metal capping, as i dont see the point in the shite plastic stuff. I can see the grey mains. What are the others ? Link to comment Share on other sites More sharing options...
MJNewton Posted November 10, 2020 Share Posted November 10, 2020 (edited) If the mains cables are protected by an RCD then I don't think they need any mechanical protection even if <50mm from the surface. If they did, I don't think metal capping would count as it's still no match for a nail? I'm sure there's a resident spark on here who'll know chapter and verse. Drywall adhesive can be smoothed and sanded, but whether it'd provide as good a match to the surrounding area as others plasters I don't know. Edited November 10, 2020 by MJNewton Link to comment Share on other sites More sharing options...
James94 Posted November 10, 2020 Author Share Posted November 10, 2020 One or two original cables which are the ring main these are slightly deeper than the ones we have laid in the wall. Not sure if capping will fit very well was hoping we could just plaster them in. Link to comment Share on other sites More sharing options...
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