Trw144 Posted December 3, 2016 Share Posted December 3, 2016 What's the general consensus on cladding details on corners? We really using horizontal tongue and groove cedar. I was assuming two 45 degree angles butted up to each other but chippy thought it would need trim pieces to cover? Any input and photos of what others on the forum have done would be appreciated. Link to comment Share on other sites More sharing options...
Tennentslager Posted December 3, 2016 Share Posted December 3, 2016 Don't have a photo but a thick block (100mm) sitting proud on the corner gives a nice clean edge and allows the horizontal boards to butt up against a nice straight edge. Link to comment Share on other sites More sharing options...
ProDave Posted December 3, 2016 Share Posted December 3, 2016 Yes some form of upright corner block is what most people use around here. Link to comment Share on other sites More sharing options...
Tennentslager Posted December 3, 2016 Share Posted December 3, 2016 Found some online... Link to comment Share on other sites More sharing options...
PeterW Posted December 3, 2016 Share Posted December 3, 2016 As above or I've used a shaped aluminium profile powder coated on a couple of jobs that makes for a nice crisp detail. It also covers the edges so if you do get shrinkage it doesn't show. When doing a corner with cover strips in timber it pays to just screw or nail into a hidden corner batten that way the board doesn't get pulled as the horizontal ones shrink and expand over time. Link to comment Share on other sites More sharing options...
Crofter Posted December 3, 2016 Share Posted December 3, 2016 Mitred corners in the horizontal boards ought to work in theory, but it probably won't in practise. I put together a little chicken coop using some scavenged wood and thought I could do the corners like that. What happens is that inaccuracies of even 1mm are enough to open up gaps at the corners. unless you are some sort of superman and can work to submillimetre precision, it will look pretty rubbish. Luckily the chickens have not passed any comment! It also exposes lots of end grain so all round not a good idea. Link to comment Share on other sites More sharing options...
Trw144 Posted January 3, 2017 Author Share Posted January 3, 2017 Rather than starts new thread I thought I d tack onto my previous one. For part of my cladding detail I will be using battens with spacing between them. However I need it to look black between the gaps rather than seeing the shiny vapour membrane on the outside of the house currently. Does anyone have any recommendations on how to achieve this? Can I add another "Membrane" that is black in appearance to the outside of the battens or will this cause issues with moisture entrapment etc? Link to comment Share on other sites More sharing options...
Crofter Posted January 3, 2017 Share Posted January 3, 2017 You could just stick a cheap black breather membrane over the top of the existing shiny one, but you'll need to consider how much UV exposure it will get and whether it is rated for continuous exposure. Or, perhaps a better idea is to run a black insect mesh behind the cladding. Do you have a sketch or a photo? Link to comment Share on other sites More sharing options...
Trw144 Posted January 3, 2017 Author Share Posted January 3, 2017 1 hour ago, Crofter said: You could just stick a cheap black breather membrane over the top of the existing shiny one, but you'll need to consider how much UV exposure it will get and whether it is rated for continuous exposure. Or, perhaps a better idea is to run a black insect mesh behind the cladding. Do you have a sketch or a photo? I ll take a picture in the morning. I don't think it will get much uv exposure as the area will be within an overhang and the battens should stop direct sunlight also. Link to comment Share on other sites More sharing options...
Trw144 Posted January 4, 2017 Author Share Posted January 4, 2017 Ok, this is he area I m looking to clad with battens Link to comment Share on other sites More sharing options...
Crofter Posted January 4, 2017 Share Posted January 4, 2017 OK, reading back to the start of the thread, you say you're using horizontal T&G cedar. Then you mention cladding with battens with gaps between them. So I'm a wee bit confused about what the finished look is- is this part of the building different? Generally battens are used to support the cladding (although in batten-on-board vertical cladding, a batten covers the joints between the broader boards). Sorry if this seems a bit pedantic but we'll be going round in circles if we are talking at cross purposes Link to comment Share on other sites More sharing options...
Trw144 Posted January 4, 2017 Author Share Posted January 4, 2017 And clad something like this.... Link to comment Share on other sites More sharing options...
Trw144 Posted January 4, 2017 Author Share Posted January 4, 2017 I m using tongue and groove for most of it , and then a different style (battens) for this element. Link to comment Share on other sites More sharing options...
Crofter Posted January 4, 2017 Share Posted January 4, 2017 A picture speaks a thousand words! I've never seen that sort of cladding before tbh. It's generally a good idea to avoid access to voids where birds and insect might decide to take up residence- what about a UV rated black membrane tacked onto the supporting battens, acting to screen off the cavity? It would be flush with the inward face of the cladding. The downside would be that it would be fairly prominent/visible. The easy answer it to just get a good quality black breather membrane and put that on top of the foil one. I can't remember which make mine is, but it's black and completely unmarked, and is standing up well after about six months of exposure. Link to comment Share on other sites More sharing options...
Trw144 Posted January 4, 2017 Author Share Posted January 4, 2017 Yes that's what I was thinking - trying to source one without size 200 font writing all over it is my task! Link to comment Share on other sites More sharing options...
Crofter Posted January 4, 2017 Share Posted January 4, 2017 I'll see if I can find out what I used. Was just cheap stuff from Rembrand (local BM). Link to comment Share on other sites More sharing options...
jamiehamy Posted January 4, 2017 Share Posted January 4, 2017 Whatever you do, try ensure 'loose' membrane is minimised. We don't know the exact problem because the cladding has not been taken off, but a friend is constantly annoyed by the sound of a piece of membrane that gets caught somehow in high winds and creates a'zipping' noise (for want of a better description ). We're assuming there is a raggy edge that is the culprit. With open cladding, the membrane will need to be absolutely taut to avoid flapping or anything similar, esp if not flat against the sheathing where it can be stapled. Link to comment Share on other sites More sharing options...
Crofter Posted January 4, 2017 Share Posted January 4, 2017 @Trw144 I think I used Glidevale Protect TF200 in black (not TF200 Thermo). Link to comment Share on other sites More sharing options...
Trw144 Posted January 4, 2017 Author Share Posted January 4, 2017 Yes and novia it seems also do one. I ll staple it on before hand and then it will also be clamped by the battens Link to comment Share on other sites More sharing options...
Auchlossen Posted January 4, 2017 Share Posted January 4, 2017 On my overhang, I have cladding with a 2-3mm spacer between to allow breathing. There is black insect mesh behind the cladding, which is fixed with S-S nails. This pic shows the construction: On the walls the 100mm vertical boards are over 60mm under-boards, to allow a shadow gap between them of 10mm IIRC.Insect mesh top and bottom. Link to comment Share on other sites More sharing options...
Crofter Posted January 4, 2017 Share Posted January 4, 2017 By the way, would there any practical reason not to use something like terram as an insect mesh? It ought to do the job of keeping flying beasties out, whilst allowing water to escape. Just that I have some lying around and it would sabe me from buying something else. Link to comment Share on other sites More sharing options...
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