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Hi @mikebarker,
Structural flooring would be suitable for your project. You might like to paint the underside with bitumen paint for additional moisture protection. From my experience, marine-grade plywood does not cope well in moist conditions, despite the name. It's great for marine environments when it's entirely encapsulated with epoxy resin.
Instead of having the groove exposed, I'd just trim the edge of the board off or add an aluminium angle to cover the edge.
You have exterior fibre cement cladding sheets like the BGC Fibre Cement 2450 x 1200 x 9mm Duragroove Smooth Narrow Fibre Cement Sheet - 2450mm that will give you a similar look. You should most definitely use sarking.
Typically, you would attach the roof sheeting to the rafters. What sort of gaps were you envisaging? There is a variety of different flashings to cover gaps around the sides and various other places. Corrugated roofing is likely the most cost-effective and popular solution.
Edges are normally left as is, and corners can be rounded with aviation snips, but flashings are used to cover most edges, so there should be too many left exposed. Ridge flashing is used on the apex of a roof.
I'd be going for the 100mm instead, depending on the size timbers you're using. Say you're using 45mm studs, with the 75mm screw that only leaves you with 30mm in the joining timber.
Please let me know if you have further questions.
Mitchell
Hi @MitchellMc, Superb advice as always! That's really helpful.
Wow, so cement board is the only external type of that kind of siding? I wonder if the materials I am thinking of are just meant to be sealed/painted to be able to handle the outdoors. Is cement board hard to screw into (Need special screws)? And I assume cutting it is tricky too? Is there a valid cheaper option?
Ok cool, I'll just attach the roof sheeting straight to the rafters. I thought there would be a gap on the edge unless the groove of the corrugation of the roof sheeting lines up perfectly with the rafters and noted on the screw size.
In case it's helpful, this is the design I'll likely be following, which shows the edging details, but this is based on an OSB roof with shingles which I'm pretty sure no one uses in Australia. I just need to make sure this will still work for using roofing sheets, I'm sure it'll be fine.
Hi @mikebarker,
Cement board is not the only type of siding available. However, those Duragroove boards are the closest example I can think of that match the internal Easycraft panels you've referenced. There are fibre cement screws, but typically clouts would be used for fixing. Cutting is not particularly tricky and can be done with a score and snap knife or sheet cutter.
Sorry, I just realised you asked about external timber wall cladding options. There are some options available, but per square meter would come in above the cost of cement sheeting. I guess it comes down to whether you'll be painting the walls or if you want a natural timber finish.
That design looks like it would work fine with corrugated roofing sheets.
Mitchell
Hello @mikebarker
Looking at the fibre cement cladding sheets, I'm afraid you are absolute right when you say that the cost of the walls is more than rest of the shed combined. I propose looking at BGC Durasheet 3000 x 900 x 4.5mm Fibre Cement Cladding 2.70sqm depending on the height of your shed you would conservatively need a minimum of two sheets per wall.
You can get creative by putting timber moulding strips on the cladding to break up the flat surface look of the sheets. When you paint the shed, I suggest painting the moulding in a contrasting colour so that the shed will have a nice look to it.
Another method to get creative is to paint lines on the cladding sheet to mimic the look of timber cladding.
Let me call on our experienced members @Dave-1 and @TedBear for their recommendations.
If you need further assistance, please let us know.
Eric
Evening @mikebarker
I know that shocked feeling! I remember working out the tin for my deck roofing and what it would cost... Almost fell off my seat and thats a decade ago! Fast forward today and I think since we dont usually work in an area it always catches us unawares.
A couple of questions for you of course
Are you going with that style rafter from your pics above? I have never used it myself and the style and weight of your roofing needs to match that brackets strength.
What are you using the shed for? (I thought of the clear Suntuf boxed panels Suntuf Sunlite 8mm x 610mm x 3.0m Clear Twinwall Polycarbonate Roofing ) It just depends on how secure and viewable you mind your shed.
Instead of the weatherboards and there are some nice ones that Id choose straight up How about something like Fielders 1800mm 0.42mm BMT Zincalume Steel S-Rib Corrugated Steel Cladding. You could stand it vertical or horizontal depending, you could also have the non viewable side of the shed as the corrugated style and the facing side as the weatherboard?
I really like the American/European style shingles with a tar sheeting under them, I have wondered if I would have a go doing the same one day Tho Id probably use trusses as they seem stronger (personal preference is all)
I also like the idea of the Hardie sheeting and then as @EricL suggested put some timber molding strips to seal the joins or form a pattern. I just used a sheet of it for a backing of a bench and at $16.50 for a 600mm by 2.4m length I was surprised at the price. Maybe by a sheet (it fitted in my car ) and have a go at securing it to some timber, that way you can get a feel of how to use it. (I cheated and didnt put a screw through my piece but clamped it)
Dave
Afternoon @mikebarker
Yeah clearish suntuff sheets are available And yeah I wouldnt want people to see that stuff inside
hahaha Id have to do the lot the same style as well, it would drive me nuts but I am not he one paying for it so was going easy
About the shingles, not sure why we dont have them here, you would think the hard wood split would have been for sure?
I have seen videos of people using soft drink cans cut and opened up then layered like the shingles. Maybe because corrugated iron has been around for years (My grandfather "acquired" his from the local power station when they were building their house. Maybe because it was produced so prolifically that was the preferred?
Cant wait to see how you go if you use timber shingles I think it would look pretty slick!
Dave
Evening @mikebarker
I saw shingles today! Slate! lol I went up the blue mountains West of Sydney for a drive and cruising along I saw these funky looking tiles! Couldn't take a pic as I was driving and no way did I really have time They do exist but wonder why they were never taken up so much?
Dave
