Pete-Normandy Posted October 17, 2006 Share Posted October 17, 2006 Is there any reason why, once the insulation has been fitted, plasterboard is used rather than a decent plywood ? It weighs a lot less. Link to comment Share on other sites More sharing options...
steve Posted October 17, 2006 Share Posted October 17, 2006 pete, if the conversion is going to be habitable room, then plasterboard is generally used so it can be taped and jointed, or plastered to give a finish ready for decorating. ply will not give you a very good finish for painting on.whatever you use be careful when nailing anything especially if you have oak rafters.you will have loads of slipped tiles Link to comment Share on other sites More sharing options...
Bob T Posted October 17, 2006 Share Posted October 17, 2006 Plasterboard is fire retardent, plywood isn't. Link to comment Share on other sites More sharing options...
shimble Posted October 17, 2006 Share Posted October 17, 2006 ive just watched some professional decorators use plywood and got an amazing finish on an exterior shop front, i think they used "Tout Pret Gras Enduit a Laquer", (or at least that is what i have noted the name as beeing after talking to them, hopefully i shall be able to find it when i go looking) before painting. this is a putty like compound available in tins it is applied with a flat trowel and then sanded after painting the finish is like glass i was impressed it looked reasonably straight forward although time consuming i think they used two coats of enduit and sanded each coat it can be used up to 5mm thick, and i bet its expensive, the finish is very good the only thing im not sure about myself forusing plywood on the ceiling is whether it contravenes any fire or safety regs be interesting to find out cos ide like to do the same thing maybe Link to comment Share on other sites More sharing options...
WJT Posted October 17, 2006 Share Posted October 17, 2006 We have plywood in between our beams in the main living room. We are starting renovations next week and have been thinking about this. It will be a very time consuming job so if there was something that could be used, I would love to know about it.The product that you mention that has a lacquer appearance would not be suitable for our interior room. But I have wondered why plywood cannot be plastered over. At the moment they are painted and where there are joins the paint has peeled and looks as if there has been a few attempts in the past to repair and paint over without success. (wish there was a rolling eyes smiley) Link to comment Share on other sites More sharing options...
Nick Trollope Posted October 17, 2006 Share Posted October 17, 2006 FWIW, I reckon that fire regs (such as they are) would be a problem - there is (a/are) reason(s) why everyone uses placoplatre. Link to comment Share on other sites More sharing options...
Dave&Olive Posted October 17, 2006 Share Posted October 17, 2006 hi ok i still have to use a "spot board" when i plaster or render unlike the french way straight owt the bucket , to clean my spot board after an idle day i just hit it a few times with a hammer and all the dry plaster falls off , try that on placo dave Link to comment Share on other sites More sharing options...
legs_akimbo Posted October 18, 2006 Share Posted October 18, 2006 Plasterboarding will give a half hour fire rating, double boarding a one hour fire rating....ply board about fifteen seconds. Link to comment Share on other sites More sharing options...
Pete-Normandy Posted October 20, 2006 Author Share Posted October 20, 2006 I believe that that tells me the answer, THANKS Link to comment Share on other sites More sharing options...
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