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Sand and Cement Screed · Wiltshire

Sand and Cement Screed in Royal Wootton Bassett

Across Royal Wootton Bassett our sand and cement floors are mixed on site and laid by hand. Here it most often goes into garage conversions, where the old slab sits lower than the house and has to be built up with insulation and a new screed. It also suits wet rooms laid to falls, small rooms with awkward access, and the few older houses having their original solid floors replaced.

Garage conversions across Royal Wootton Bassett

A garage slab was poured for a car, not for a sitting room. It normally sits a step down from the house, has no insulation and often lacks a working damp proof membrane. Turning the garage into a room means building the floor up in layers: membrane, insulation, then a screed finished flush with the other rooms.

For one garage, sand and cement is usually the obvious material. Being mixed on site, its depth can be adjusted to take up the step into the house, and hand compaction gives a dense, hard base for any floor covering. Floating on insulation, a domestic screed is 65mm deep. If the room will carry heavier loads, a workshop for instance, a fibre reinforced mix or a stronger screed mix may be specified.

Its weak point is drying. At 65mm it needs roughly one day per millimetre until it reaches 40mm, and longer after that, so flooring could be several weeks off. Putting a rapid drying additive in the mix brings that forward.

Terraces account for 22% of homes in Royal Wootton Bassett. Where access to one is narrow, the screed comes in by barrow, so all it needs is a clear path and a small spot to mix. The garage conversion floor guide covers the levels and the build-up in more depth.

Wet rooms and older Royal Wootton Bassett floors

Certain floors need sand and cement whatever the house. Level-access showers and wet rooms must fall towards the drain, and that slope is shaped by hand. Calcium sulphate cannot be left where it may stay damp, so under tiles in those rooms sand and cement is the safe base.

Only 7% of the town's homes were built before 1919. If one of them, or an older post-war house, has a cracked solid floor or one that no longer stops damp, it is normally dug out and rebuilt with insulation, a membrane and a new screed.

With limited floor height and sound concrete underneath, a bonded screed can be just 25 to 40mm, fixed straight to the base instead of floating over insulation. It also provides a cement substrate for any adhesive or floor finish that asks for one. To weigh up the two main types, read liquid screed against sand and cement; for bigger open floors, go to the town's liquid screed page. Floating screeds, by contrast, need the full 65mm.

Sand and Cement Screed prices in Royal Wootton Bassett

Sand and cement screed: £18 to £25 per m² supplied and laid (MyJobQuote, August 2026), so £450 to £630 for 25 m². MyJobQuote does not say whether these figures include VAT. See our floor screeding cost guide or screed calculator.

Who lays your sand and cement screed in Royal Wootton Bassett

Power float working a sand and cement screed in a residential room
Power float working a sand and cement screed in a residential room.

K & B Screeding’s own team, led by director Donatas Bardisevicius. Founded 2019, company 12298780.

See what customers say in our Google reviews and on our testimonials page.

Sand and Cement Screed from Slough to Royal Wootton Bassett

As the crow flies, our yard in Slough is about 54.3 miles from Royal Wootton Bassett, which lies to the west. Postcodes here include SN4, and Swindon (5.3 miles), Calne (8.4 miles), Chippenham (10.7 miles) and Cirencester (12.4 miles) are close by.

More on sand & cement screed, part of our screeding services.

FAQs

Sand and Cement Screed in Royal Wootton Bassett: your questions

How thick should screed be in a garage conversion?

Domestic floating screeds in sand and cement are 65mm thick, sitting on the insulation and membrane. How much build-up you need overall is set by the step from the garage slab up to the house floor, so that gets measured first. Where the gap is tight, a thinner liquid screed starting at about 35mm can help.

How long does sand and cement screed take to dry?

Allow around one day for every millimetre up to 40mm deep, then more for each millimetre past that. In cool weather, a 65mm floor can take a couple of months to dry out completely. Keeping air moving helps, and the wait can be cut a good deal by adding a rapid drying additive to the mix or choosing a quick drying screed.

Can a garage floor in Royal Wootton Bassett be screeded in one day?

Normally, yes. Once the insulation and membrane are down, a single garage is small enough to screed in a day. Light foot traffic is fine within a couple of days, but it needs weeks of drying before any flooring. On 2026 UK figures, sand and cement costs £18 to £25 per m², so a garage is one of the smaller jobs.

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