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I'm currently designing a shed and have a question about how to structure the roof. I need to keep the height under 2.5m as it's close to a boundary.
The shed is 5' 6" x 11' and will be built out of 3x2. I was aiming for an apex roof with 6/12 slope. This would make the rise about 1' 5", plus the rafter and sheathing etc, so call it 1' 9". The slab is a couple of inch above ground. That leaves me a maximum of 6'3" from slab to eaves.
Ideally I'd avoid rafter ties as I would prefer the extra headroom, but I am conscious of the possibility of wall spread down the 11' length. I had toyed with the idea of a ridge beam to transfer load into the gable walls, but this would come down over the doors and give me another headache.
I am aware this is likely overkill for a shed but I'd rather do the job once and properly.
Any opinions on what to do? I believe it is acceptable to install rafter ties 1/3 up from the wall top plate, this could buy me an extra few inches headroom? Or lower the roof pitch to 5/12 and use the saving on the eaves height? Ignore rafter ties entirely because its just a shed?
The shed is 5' 6" x 11' and will be built out of 3x2. I was aiming for an apex roof with 6/12 slope. This would make the rise about 1' 5", plus the rafter and sheathing etc, so call it 1' 9". The slab is a couple of inch above ground. That leaves me a maximum of 6'3" from slab to eaves.
Ideally I'd avoid rafter ties as I would prefer the extra headroom, but I am conscious of the possibility of wall spread down the 11' length. I had toyed with the idea of a ridge beam to transfer load into the gable walls, but this would come down over the doors and give me another headache.
I am aware this is likely overkill for a shed but I'd rather do the job once and properly.
Any opinions on what to do? I believe it is acceptable to install rafter ties 1/3 up from the wall top plate, this could buy me an extra few inches headroom? Or lower the roof pitch to 5/12 and use the saving on the eaves height? Ignore rafter ties entirely because its just a shed?