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shed/workshop
haynes66:
i'm looking at building a much bigger timber framed workshop around 22' x 10' which will allow me to line up 4-5 bikes side by side. the plan was to lay a concrete slab but it is super expensive, albeit permanent. i am looking at concrete piers instead but not sure if the floor would be up to the job. anyone done something similar?
matthewmosse:
My 18x9 sheds just on a hardstanding - but well compacted by a 3/4 ton vibro roller, with paving slabs, our woodshed is streight onto bedrock with just breezeblock pieces to keep the woodwork dry, it's fine, only downside is small things can drop into gaps in the pavers until the gaps fill with oil and dust, added bonus is any spills leak through the gaps rather than puddle up. Something heavier than motorbikes might make paver crack eventually but mine have stood up to Howard gem rotovators with steel spade lug wheels and those make your average motorbikes footprints appear delicate in comparison. Even withstanding my dexion racking that's groaning under the weight of spare hydraulic gear. Not bad for reclaimed 2" thick pavers. Cost wise I paid about £3 per 2'x2' paver for some new ones - end of line stock, then got more at £1 each reclaimed ones from a driveway company clearing out after a job. Makes for a cheap shed floor.
haynes66:
thanks. that's answered my question. i'm thinking of several piers under the entire floor. the floor timber is 5" x 2" covered in 19 or 25mm ply which should be strong enough for load bearing.
K2-K6:
If you've much span between piers for the 5inch joists then it won't take much to bend them.
7inch is generally ok for decent floor support. Unless you're going to have more piers to prevent centre sagging.
The ply seems OK, we used 19 or 25 on batterns to support some fairly hefty machine on false floor in a factory.
matthewmosse:
I think our kitchen has piers at roughly a meter centres with 6x2 timbers - might actually be a grid of 4x2 thinking about it.... so total void 8" deep, bottom skin of weatherproof MDF and oak planks over the top, plus insulation layer in the middle, that has stood up to 8 years wear so far, with all the abuses of z working farm kitchen and 2 young boys can throw at it.
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