I've read somewhere the width of the foundation strip should be double the width of the block (i.e 200 mm), but the depth eludes me . another quick question. i'll be putting down the damp proofing sheeting under the concrete floor in the shed, is it normal to fold this sheeting up at the edges and use as the dam proofing course for the blocks. The foundation of a storage shed is the first and most important part of installation process! building the right foundation for a storage shed is extremely important.. Hi, foundations should always be dug 900mm - 1m in depth. these can either be 450mm wide if you fill them to the top with concrete, or, 600mm wide with 225mm of concrete in the trench bottom. we always find the first option the most cost effective..
Shed concrete slab � minimum dimensions. your slab can be as small as the shed that�s going to sit on it. with the sheds we make at designer sheds, leaving a generous level pad around your shed also prevents erosion, which can undermine your slab foundations.. B. minimum foundation wall and wall footing thickness. for masonry or concrete construction, the minimum foundation wall will be 6 inches. the minimum reinforced concrete footing thickness will be 6 inches or 1-1/2 times the length of the footing projection from the foundation wall, whichever is greater. 503-2. pier and column footing requirements.. Minimum rcc beam size should not be less than 9?x 9? (225mm x 225mm), with an additional slab thickness of 125 mm.i generally use a minimum of 4 bars, with 2 bars of 12 mm thickness in the bottom of the beam, and 2 bars of 10 mm at the top of the beam..
