StructuralEngineer Posted March 16, 2018 Share Posted March 16, 2018 (edited) I wondered if any of you have come across or used Smartroof, and what your thoughts are on it? It's a dormer roof system, constructed off site, then dropped into place. https://www.youtube.com/rqRx9yTAhZY Edited March 16, 2018 by PeterW Admin magic... Link to comment Share on other sites More sharing options...
Russell griffiths Posted March 16, 2018 Share Posted March 16, 2018 Your linky thing not working. @StructuralEngineer Link to comment Share on other sites More sharing options...
PeterW Posted March 16, 2018 Share Posted March 16, 2018 @StructuralEngineer had a quote for something similar but found that it barely hit building regs and due to it being a SIP type product the sound insulation wasn’t that great. Link to comment Share on other sites More sharing options...
ADLIan Posted March 16, 2018 Share Posted March 16, 2018 They meet Regs provided you know the solutions (they wouldn’t have a market otherwise). Normally use mineral wool so acoustic performance is fine. Link to comment Share on other sites More sharing options...
Alexphd1 Posted March 16, 2018 Share Posted March 16, 2018 We got a price for a similar style roof from one of the ICF suppliers who wanted to provide whole shell package. The insulation was solid but poor u values. Can't comment on noise never looked into it in more depth due to being v expensive. Link to comment Share on other sites More sharing options...
PeterW Posted March 16, 2018 Share Posted March 16, 2018 27 minutes ago, ADLIan said: They meet Regs provided you know the solutions (they wouldn’t have a market otherwise). Normally use mineral wool so acoustic performance is fine. I think the issue was that just as a product it was bare minimum and you had to use a thermaline type plasterboard in addition. The added cost and the complexity took away the benefit of the cassette roof system. In the end - and due to a number of valleys and dormers - we went with a cut roof and fibre / Kingspan as a solution Link to comment Share on other sites More sharing options...
richi Posted March 17, 2018 Share Posted March 17, 2018 Or there's Moduloft (not a recommendation; you know as much as I do): Link to comment Share on other sites More sharing options...
StructuralEngineer Posted March 19, 2018 Author Share Posted March 19, 2018 Thanks everyone for the comments. @PeterW thanks for rectifying the youtube link! Does this forum have any markup I can use to do that? Regrading the insulation, I think any room-in-the-roof today needs insulation both between the joists and under (see for example Kingspan or Celotex standard details), so that's probably a wash in my book. However I agree it would be better if this came already installed. Did you manage to get a design from them for your dormer -- I believe the system is specifically for dormer roofs? Link to comment Share on other sites More sharing options...
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