Green Building Bible, Fourth Edition |
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Posted By: fostertomMaybe the screws will be put in bending whether they like it or not, unlike the ropes.Yep, they'll bend a bit and stretch a bit till the strains equilibriate but the bending moment will be less than it would be with the screw straight out.
Posted By: goodevans
A similar principle could also be applied to vertical battens - use adhesive to bond the batten to the eps to prevent sag and screws back to the wall to prevent pullout due to wind. This requires the adhesive to work well with both the EPS and the batten and over the long term. In this situation I would use adhesive to sick the batten to the eps first ensuring the adhesive has the corrrect thickness and is not squeezed out, then once cured screw the battens back to the wall to prevent pullout.
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Posted By: goodevansYou may need to use spacers or some other method to pull your horizontal counter battens away from the membrane.
Posted By: goodevans
Your EWI fixings may be suitable but remember the suction forces on the battens may be significantly greater than on EWI....
Posted By: WillInAberdeenNot seen it done anywhere, but what if the 'horizontal’ battens were fitted sloping at an angle of say 20deg so they couldn't collect water? Maybe in shortish overlapping lengths so water would drain sideways along the batten then drip?
Posted By: WillInAberdeen
ISTR an earlier thread where someone cored holes into their 200mm EPS to insert 200mm lengths of 32mm pvc drainpipe, foamed into place and foam-filled. Then drove the screw through the middle of the pipe to hang heavy things off. When tightened, the fitting was compressed against the end of the pipe, which acted as a standoff, instead of crushing the EPS over time. Could be an alternative or complement to the idea of cutting channels in the EPS to recess the batten?
Posted By: djhI went with horizontal cladding, initially with the idea that I could replace the bottom board or two if they rot faster than the rest, rather than have to replace all boards. Then when I realized just how much simpler it made all the mounting issues, I became doubly convinced! Not only are the battens vertical so there's no drainage problem, but it's easy to align them with the studs so there's guaranteed material to screw into.
Posted By: Peter_in_Hungary
+1
IMO horizontal cladding and therefore vertical battens stood on the ground or hung from above is a lot easier plus there is less chance of water seeping in long vertical cladding joints
Posted By: JontiCould you not also do vertical battens stood on the ground or hung from above with lateral battens attached for vertical cladding?You could but then you'd finish up with two lots of battens having to be “structural”.