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Decking Calculator
Plan a deck build — total area, deck boards, joists, screws, and cost. Supports multiple sections, board gap, joist spacing (12"/16"/24" or 300/400/600 mm), waste percentage, and imperial or metric units.
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Shed Base Calculator
Estimate materials for a shed base — concrete slab, gravel, paving slabs, or timber frame. Get concrete bags, sub-base, gravel, bedding sand, slab counts, joists and timber lengths. Imperial or metric.
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