A little bit of help when you intend doing a new extension to your home.
A DIAGRAM THAT EXPLAINS THE TECHNIQUE AND STYLE
- Set the foundation width and thickness of the wall you plan to build.
- Wrap a string line around two pegs to stretch a line across the length of the foundation. Once you have set the string line as a guide to lay your foundation, you may start digging a trench.
- Use a spade to dig a 75 mm (3 in) deep trench.
- Position these sharpened timber pegs at 1 m (3 ft) intervals from each other. These timber pegs should measure 75 mm (3 in) in height.
- Drive them with a sledgehammer into the base of the trench.
- Check with a spirit level to see if the peg tops are level with the foundation surface.
- Once the peg tops are positioned, fill the trench with hardcore and tamp down with a shovel.
- Next, shovel in the concrete and lay it on top of the hardcore.
- Use the shovel to evenly spread it onto the surface.
- Tamp down the newly covered concrete layer with a stout piece of timber.
- Add more concrete until it reaches the level of the peg tops.
- When you’ve finished filling the trench with concrete, check that the strip is level with a spirit level.
- Next, leave the foundation strip to harden. The strip will usually take a day to harden.
- Once hardened, you may start building your wall.
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