Oxo Posted October 18, 2012 Share Posted October 18, 2012 Sorry if I used the wrong terminology. Always "Fire Foam" to me Link to comment Share on other sites More sharing options...
Amps Posted October 18, 2012 Share Posted October 18, 2012 I only assume these installs are done to the correct category and thus not an issue. If its under 800 it doesn't need covered anyway as oxo has already pointed out. So the only time a galv box is needed is when a detector is surface mounted? Link to comment Share on other sites More sharing options...
Oxo Posted October 18, 2012 Share Posted October 18, 2012 Hang on, I never said it did not need one. Always use one. With glands. I think this question needs to be re-clarified. Someone has mixed up using an additional in the void as opposed to using a galv box for a thru tile fittment. Link to comment Share on other sites More sharing options...
jb-eye Posted October 18, 2012 Share Posted October 18, 2012 So the only time a galv box is needed is when a detector is surface mounted? I use plastic for surface as well Customers! Link to comment Share on other sites More sharing options...
Amps Posted October 18, 2012 Share Posted October 18, 2012 I use plastic for surface as well lol yea me too. Scotmod has given the impression that if a detector is fitted to a suspended ceiling tile or false ceiling(plasterboard) then it is ok to use a plastic back box if the void is less than 800mm as detection is not needed. If over 800mm then plastic is ok as a void detector would be fitted above. Link to comment Share on other sites More sharing options...
alterEGO Posted October 18, 2012 Share Posted October 18, 2012 I assumed you meant http://www.apollo-fi...unting-box.aspx I thought the MK trunking unit. Link to comment Share on other sites More sharing options...
Oxo Posted October 18, 2012 Share Posted October 18, 2012 Must be me then, or the fact the buildings were owned by major companies and they insisted on the best. Link to comment Share on other sites More sharing options...
alterEGO Posted October 19, 2012 Share Posted October 19, 2012 I have only used them a handful of times, galv u box for us 99% of the time. Link to comment Share on other sites More sharing options...
MrHappy Posted October 19, 2012 Share Posted October 19, 2012 So the only time a galv box is needed is when a detector is surface mounted? system device don't require metal back boxes, hence plastic interfaces, call points, panels, sounders ect.... Mr Veritas God Link to comment Share on other sites More sharing options...
jb-eye Posted October 19, 2012 Share Posted October 19, 2012 MK are to exspensive MT are cheaper but me im mega cheap and made in Rochdale: Customers! Link to comment Share on other sites More sharing options...
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