Blocks for Garden Shed

eggman99

Hi, I want to build 2 walls running down each side of my garden 35ft long. When they are done I want to build a office shed between them, 19ft wide so will have a 100mm slab. The back wall is a boundary wall so I will build a stud partition about a foot in front of the boundary wall, with the shed roof sloping down to it. Gutters on my side, brought to a rain barrel. I will insulate and dry line the shed, and bring electrics to it, armour cable etc. My question is what blocks to use that will solve both things, the 2 walls and the shed sides, considering damp, structural etc. There will be a timber stud wall between the 2 Outside walls at the front with doors. Thanks

Calahonda52

http://www.irishstatutebook.ie/eli/2009/act/27/enacted/en/print#part8-chap3

if the side walls are boundary walls the above applies which may impact your thinking

if not, 4" on flat, with piers and expansion joints

Some parameters without PP
side walls can't be no more than 2.0m
flat room max height of 3.m
max are 270 sq feet gross
no overhang allowed on boundary wall

...
If timber stud walls front and back make sure it is well tied down for wind

eggman99

Hi, yes I am within all those boundaries. Someone suggest I use insulated plasterboard against the cavity wall instead of a 100mm stud with insulation. What do you think. It would save space. Thanks

Calahonda52

where is cavity wall?