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Flooring
Underlay explained

Underlay explained

By the Plankley team · Last checked 19 October 2026

Work it out: the flooring calculator shows the sum for your own measurements, with every figure editable.

Worked example: Order: 8 packs.

Open the flooring calculator

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Types
Roll sizes
Which floor needs what (from the maker)
Quantities

Types

Roll sizes

Which floor needs what (from the maker)

Quantities

Related pages

Flooring guides

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Plankley is an independent site with UK calculators for DIY and the trades. Every figure is a planning estimate: check your supplier's or maker's figures before ordering. We don't test products.

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