lowie09 Posted August 8, 2016 Share Posted August 8, 2016 Hi, just wondering if I can use plasterboard (thermal plasterboard) on existing plaster. Or do i need to knock the existing plaster first Thanks Link to comment Share on other sites More sharing options...
mafya Posted August 8, 2016 Share Posted August 8, 2016 Have a read of this article on the king span site = http://blog.kingspaninsulation.co.uk/can-fix-insulated-plasterboard-existing-plastered-walls/ Link to comment Share on other sites More sharing options...
rudplast Posted August 13, 2016 Share Posted August 13, 2016 You can go on top of old plaster but depends on how your fixing it I would dot and dab and then mechanical fix. Link to comment Share on other sites More sharing options...
Starlc Posted August 13, 2016 Share Posted August 13, 2016 I have fixed therma boards many times over plastered walls using dry wall adhesive with no problems. Thanks Link to comment Share on other sites More sharing options...
lowie09 Posted August 13, 2016 Author Share Posted August 13, 2016 Thanks for the info guys I wanted to have a go at it myself. Link to comment Share on other sites More sharing options...
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