Russell griffiths Posted February 7, 2021 Share Posted February 7, 2021 Afternoon all. I have an attached garage fixed to the side of the new house, I wanted your opinion on the plasterboard for the ceiling of the garage, although it is attached there are no habitable rooms above the garage. See technical drawing. Link to comment Share on other sites More sharing options...
Mr Punter Posted February 7, 2021 Share Posted February 7, 2021 Unless you need some special performance spec I would go cheapest boards. For ceilings, 15mm can be simpler. Link to comment Share on other sites More sharing options...
joe90 Posted February 7, 2021 Share Posted February 7, 2021 Why are you plasterboarding a garage ceiling?, a garage roof space is fir storing all those things you might need (that your kids will have to get rid of when you kick the bucket!!!). 1 Link to comment Share on other sites More sharing options...
Russell griffiths Posted February 7, 2021 Author Share Posted February 7, 2021 1 hour ago, joe90 said: Why are you plasterboarding a garage ceiling?, a garage roof space is fir storing all those things you might need (that your kids will have to get rid of when you kick the bucket!!!). Ah ha, upstairs for thinking down stairs for dancing. Vaulted ceiling in garage for extra headroom. 1 Link to comment Share on other sites More sharing options...
Russell griffiths Posted February 8, 2021 Author Share Posted February 8, 2021 Anybody else. Link to comment Share on other sites More sharing options...
ProDave Posted February 8, 2021 Share Posted February 8, 2021 I would do the whole lot with 15mm pink fireline. If it is only a timber frame between the house and garage, that will need 2 layers of fireline with staggered joints and taped and filled or skimmed. Link to comment Share on other sites More sharing options...
Russell griffiths Posted February 8, 2021 Author Share Posted February 8, 2021 1 minute ago, ProDave said: I would do the whole lot with 15mm pink fireline. If it is only a timber frame between the house and garage, that will need 2 layers of fireline with staggered joints and taped and filled or skimmed. Icf house, so 150mm of concrete between the two. Fire door in the wall separating house from garage. No habitable room above garage, I’m thinking it needs nothing fancy, possibly no fire protection at ceiling at all as in open trusses for storage like @joe90 said, but it’s a vaulted ceiling for extra height in the garage so I’m boarding it to provide a nice working environment. Happy to use whatever board, I’m just thinking 30 minutes fire rating will be fine, but need clarification before I phone the BCO Link to comment Share on other sites More sharing options...
joe90 Posted February 8, 2021 Share Posted February 8, 2021 3 minutes ago, Russell griffiths said: I’m just thinking 30 minutes fire rating 12.5mm will do then (are you bunging in any insulation?). Link to comment Share on other sites More sharing options...
Russell griffiths Posted February 8, 2021 Author Share Posted February 8, 2021 3 minutes ago, joe90 said: 12.5mm will do then (are you bunging in any insulation?). Yes garage built to same spec as house insulation wise, think I will call BCO Will probably do it in pink board just to make sure. 1 Link to comment Share on other sites More sharing options...
JohnB Posted March 5, 2021 Share Posted March 5, 2021 Hi Russell, I would use celotex PIR insulation on this gig. Fill the ceiling with this and use foil tape to join together, make sure you are not leaving gapes and tape the joists too. Link to comment Share on other sites More sharing options...
Dave Jones Posted March 6, 2021 Share Posted March 6, 2021 Just be aware of creating a cold roof with with no ventilation can cause problems Link to comment Share on other sites More sharing options...
Oz07 Posted March 6, 2021 Share Posted March 6, 2021 Maybe pink then for the little extra cost of one ceiling. Are you protecting the icf internally in garage got to be higher priority? Link to comment Share on other sites More sharing options...
Russell griffiths Posted March 6, 2021 Author Share Posted March 6, 2021 58 minutes ago, Oz07 said: Maybe pink then for the little extra cost of one ceiling. Are you protecting the icf internally in garage got to be higher priority? Going to double board walls and ceiling with pink. Sod the money I’ve got used to eating beans on toast every night ? 1 Link to comment Share on other sites More sharing options...
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