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Work out exactly how much you need before requesting a trade quote.
Calculate bricks, blocks and mortar for walls of any size.
Work out cement, sand and aggregate for mortar and concrete mixes.
Estimate plywood, OSB and chipboard sheets from the area to cover.
Calculate MOT Type 1, shingle and sand by area and depth.
Figure out cement and sand quantities for floor screeds.
Estimate plaster bags and plasterboard sheets for walls and ceilings.
Calculate boards, slabs and rolls for lofts, cavities and walls.
Estimate felt, GRP, trims, guttering and damp-proofing for roofs.
Work out timber lengths and stud counts for walls and battens.
Find the right lintel length for your opening.