Limestone, sandstone and old quarry tile share a weakness that modern porcelain does not: they are porous, they are chemically reactive, and the products sold for shifting cement residue will damage them permanently. In and around Devizes a great deal of the older housing is built from local stone with stone or tiled floors underfoot, and a refurbishment in one of those buildings needs a method chosen for the material rather than for speed.
Why acid is the wrong answer on stone
Cement and grout residue is usually removed with a mild acid, which works by dissolving the lime in the deposit. Limestone is largely the same chemistry, so the treatment does not stop at the residue; it etches the floor, dulling the surface in patches that catch the light ever afterwards. Stone is worked with neutral or mildly alkaline products, mechanical agitation and more time. Anything unfamiliar is tested in a corner under a unit first. Slate and some sandstones are less reactive but scratch easily, so the grade of the pad matters more than the product in the bottle.
Sealing, and when not to do it
A stone floor is usually sealed after installation, and building work scratches and wears that seal along the traffic routes. Cleaning does not restore it. Once the floor is genuinely clean and thoroughly dry, which on a solid floor with no membrane can take days, an impregnating sealer can be reapplied. Sealing a damp or dirty floor traps both, and the only remedy then is stripping it back.
Solid walls, deep reveals and lime mortar
Thick stone walls have deep window reveals and generous sills that collect dust nobody sees from the middle of a room. Where pointing has been raked out and redone in lime, the dust is fine and alkaline and it clings to glass. Reveals are brushed and vacuumed before glass is touched, and lime splash is softened with water rather than scraped off a soft stone edge. Internal sills here are often stone or timber carrying generations of paint, and they are cleaned rather than stripped unless a decorator has been asked to do otherwise.
Beams, boards and uneven floors
Ceilings with exposed joists and floors that dip towards the middle of a room mean debris gathers at the low points and along every beam edge. A flat mop bridges the hollows and misses them entirely. Hand work along the edges, a vacuum with a brush head on the timber, and a mop used in small sections is slower but it is the only way a room comes out consistent. Cobwebs and dust on the top faces of beams come off before floor work begins, because anything dislodged later lands on a finished surface.
Wood burners, flues and the soot that comes with them
A new stove or a reopened fireplace is a common part of these projects, and the installation leaves fine soot and mortar dust that behaves quite differently from plaster dust. It is greasy, it smears, and it stains porous stone on contact. Dry vacuuming with a suitable filter comes first, hearths are cleaned with a neutral product, and nothing is wet-wiped until the loose material has gone. The broader method for construction clean-ups is set out on how it works.
Keeping a stone floor right afterwards
Once a property is handed back, the maintenance is simple and mostly about what not to do: neutral cleaner, a well-wrung mop, grit kept off the surface with matting at the doors, and no household descaler anywhere near it. Rugs go back down only when the floor is dry through. Where textiles carried dust through the works, extraction by professional carpet cleaning services in Swindon clears what a vacuum leaves behind, and the same service nearer the motorway corridor is arranged through local specialists.