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Posted By: eniacsthe house has eaves very close to the guttering so would probably only allow a sensible gap of around 100mm for insulation
Posted By: eniacswork mates (from the EU) have all heard of it and many have had it done to their houses flats etc.
Posted By: eniacsMy research showed boards to be around £20/m2 for 100mm (im extrapolating out the cost from 80mm).Fixings and beadings are pennys really not properly calculated but lets guess at £5/m2Rendering team £5k ish so £33/m2 (only a guestimate, no quotes obtained yet)Scaffolding £1k for 2 weeks £6.6/m2So total cost: £64.60/m2
Posted By: ikimikiI find it hard to believe that Kingspan is the only firm capable of manufacturing EPS for insulation purposes in GB.
Posted By: sellyany point in trying to maintain breathability for old buildings if you can use EPS and render instead which effectively provides a protective layer anyway?
Posted By: sellynever been able to find reliable fixings for 100m plus EPS sheet into stone
Posted By: sellyIs there any point in trying to maintain breathability for old buildings if you can use EPS and render instead which effectively provides a protective layer anyway? cheaper and more effective than wood wool, lime etc.?And the second thing is i've never been able to find reliable fixings for 100m plus EPS sheet into stone. Seem to need at least 150mm fixings if they exist or do you all use two layers? (which sounds a good idea)
Much talk on here about ways and means of fixing, whether mechanical or just by adhesive.It's all a big subject - you need to dive in and understand it.
Posted By: Nick ParsonsFostertom wrote:''EPS-and-render EWI systems are water-vapour breatheable, as well as providing a liquid-water protective layer. But non-EPS plastic insulations are not breatheable.''But surely the acrylic 'fat paint' renders are not breathable?
Posted By: SaintHow many m2 of each thickness do you actually need?I can direct you to a supplier that would do 125mm and 150mm PIR unfaced i.e no foil, those thicknesses would give the same U values as the phenolic, and possibly in board sizes that you can specify. Not cheap but then again its good stuff
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