A reader's Roofs and roofing question: Slab on blockwork?
David P. from Brisbane, Australia had this Slab on blockwork question.
You don't pour a separate 50 strip around the top of the blocks, that's extra work, you incorporate it into the slab pour.
You pour you corefill to the top of the last block normally. Then form up inside and outside and pour the slab.
When you strip from the outside it looks like a 200 thick slab but it is only 150 really. So the slab itself looks as though it has a 50 thick reverse kerb around the perimeter.
If you are using "E" blocks then it is just the inside that gets the extra form to make the correct depth for the slab.Cheers
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