Tiles usually stay, laminate usually goes, vinyl comes up so the slab can dry, and nothing new goes down on a wet slab.
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After a flood, what happens to the floor depends on what it is made of. Ceramic and porcelain tiles on a cement bed usually survive and only need deep cleaning and re-fixing where they have gone hollow. Laminate and most engineered timber swell and normally have to be replaced. SPC and vinyl planks resist water themselves, but they trap it underneath, so they must be lifted so the slab can dry. Carpet and foam underlay go. And no new floor goes down until the concrete slab underneath has dried out, which takes far longer than the surface suggests. This guide goes through each floor type.
On the day the water goes down, most floors look better than they are. Tiles wipe clean, vinyl planks look untouched, laminate seems only slightly raised at the joints. The damage shows weeks later: a musty smell, planks that peak, tiles that start to sound hollow, mould along the skirting. Floodwater gets into the joints, the bedding and the concrete slab, and it carries silt and sewage with it.
So the question for every room is not "does the floor look all right?" but "what is underneath, and can it dry?" The sections below answer that for the floors found in Klang Valley terraces, semi-Ds and ground-floor condo units. For where floors fit into the full repair sequence, see the flood restoration order of works; for the other steps after a flood, the flood clean-up, repair and prevention hub.
Keep the main switch off while floors are washed and lifted. TNB's flood advice is to switch off the main switch at the distribution board before cleaning, and to have submerged switches and appliances inspected before they are used again. Floor-level sockets and appliances that sat in water are part of that check, which must be done by an electrical contractor registered with Suruhanjaya Tenaga.
Two more warnings come from the US EPA. If the water inside is still deep, remove it gradually, because pumping it out too fast can crack walls and floors. And older vinyl floor tiles may contain asbestos: the EPA advises not to remove asbestos-containing tile yourself, even if it is damaged, but to use an asbestos professional. If your house has old vinyl tiles of unknown age, have them checked before anyone breaks them up. Photograph every floor before lifting it, for your insurer.
This table is the first sort. Each floor type has its own section below.
| Floor | Usual answer after a flood | What to watch |
|---|---|---|
| Ceramic or porcelain tiles | Keep. Deep clean, then re-fix tiles that sound hollow | Silt in the grout; water trapped in the bed |
| Marble, granite or terrazzo | Keep. Clean and, if dull or stained, re-polish | Stains from muddy water; hollow areas |
| Laminate | Replace in the flooded area | Swollen edges that never close up again |
| SPC or vinyl click planks | Lift so the slab can dry; reuse only clean, undamaged planks | Water and silt trapped under the planks |
| Glue-down or sheet vinyl | Usually lift and replace | Adhesive failure, bubbles and smell |
| Solid timber or parquet | Lift the worst areas, dry, then assess the rest | Cupping, lifting and rot |
| Engineered timber | Usually replace | Layers delaminating, core swelling |
| Carpet and foam underlay | Throw away | Holds floodwater and sewage; hides mould |
Tiles are the most flood-tolerant floor in a Malaysian home. The tile itself does not swell or rot. Start by shovelling and washing out the mud while it is still soft, scrubbing the grout lines, and disinfecting, because silt and sewage settle into the joints. Do not hose mud into the floor traps.
Once the floor is clean and dry, tap across it. Tiles that sound hollow have lost their bed. Some were hollow before the flood; others lose their grip as the water in the bedding dries out. A few scattered hollow tiles can be lifted and re-laid on a dry bed. A floor where hollow tiles spread over a large area is usually better re-tiled. Our guide to popped and hollow floor tiles explains the tap test and the repair options.
Laminate is a printed layer over a fibreboard core, and that core swells when it is soaked. After a flood the edges rise, the joints open and the boards stop locking. Unlike a spill, floodwater sits on and under the boards for hours, so drying them rarely brings them back flat. In most homes the flooded rooms are replaced.
Lift the boards and the foam underlay straight away rather than waiting, because wet underlay keeps the slab damp and holds the smell. If only one end of a room was affected, the dry boards beyond it can sometimes stay, but the new boards rarely match exactly.
SPC and luxury vinyl planks are sold as waterproof, and the plank itself does tolerate water. The problem is the water that runs through the joints and sits on the slab under a floating floor, along with silt and sewage. Left there, it smells, grows mould and can lift the floor later. Lift the planks in the flooded rooms, wash and disinfect the slab, and let it dry.
Clean, undamaged click planks can often be relaid once the slab is dry, if the locking edges are intact and they are stored flat. Glue-down vinyl and sheet vinyl usually come up for good, because the adhesive fails and the floor bubbles. The SPC lifting and bubbling guide explains what causes lifting, and the sheet vinyl guide covers why water trapped at the edges of a sheet floor causes trouble.
Timber takes in water and swells across its width, so flooded parquet and solid strip floors cup, lift and push against the walls. Lift the worst areas early to let the slab breathe and stop the floor from pushing itself up further. Once the slab and the remaining timber are dry, a solid floor can sometimes be re-fixed, sanded and refinished, with rotten blocks replaced; see the parquet floor repair guide.
Engineered timber has a thin wood layer over a plywood or fibreboard core, and floodwater often separates the layers. It is usually replaced. For how to read cupping and find trapped moisture in a timber floor, the timber floor moisture guide goes into the detail.
Wall-to-wall carpet and its foam or felt underlay soak up floodwater and everything in it. The US EPA lists the underside of carpets and pads among the places hidden mould grows, and says porous materials such as carpet may have to be thrown away if they become mouldy. After a flood with sewage in the water, fitted carpet and underlay should go. Small rugs that can be washed are a judgement call; the keep or throw guide helps with loose items.
Under every floor is a concrete slab or a cement screed, and it is the last thing in the house to dry. Brick walls and a concrete slab hold a lot of water and give it up slowly. With the floor covering lifted, open the rooms up, move air across the slab with fans and use a dehumidifier when the rooms are closed. Expect weeks rather than days, longer on a ground-floor slab that sits on the ground.
Do not trust the calendar. The US EPA's guidance is that everything must be completely dry before walls and flooring are refinished or replaced, to prevent mould and loss of structural integrity. Check the slab with a moisture meter against a dry reference, and against the moisture limit the new floor's manufacturer states. Our guide to drying a house after a flood covers fans, dehumidifiers and checking dryness.
| Check | Not ready to relay | Ready to relay |
|---|---|---|
| Surface colour | Darker patches or a damp edge along the walls | Even, pale colour across the slab |
| Plastic sheet test | Condensation under a sheet taped to the slab overnight | Dry under the sheet |
| Moisture meter | Well above a dry reference area | Within the new flooring's stated limit |
| Smell | Musty or sour | No smell |
| Skirting line | White salts or mould at the base of the walls | Clean and dry |
Floors and walls fail together at the skirting line. Timber or MDF skirting that sat in water swells and should come off, which also lets the bottom of the wall dry. When the floor goes back, tiled or PVC skirting copes better with the next flood; the skirting options guide compares them. The walls themselves are covered in our guide to flood-damaged walls.
If mould has already appeared along the base of the walls or under lifted planks, deal with it before anything new is laid; see mould after a flood. And if this house floods repeatedly, think about the floor you choose to put back; renovating after a flood compares the options for a ground floor that copes better next time.
ClickBina is an experienced KL & Selangor contractor. Our crew does the floor work after a flood: mud and silt removal, deep cleaning and disinfecting tiled floors, lifting laminate, vinyl, carpet and underlay, drying the slab, re-fixing hollow tiles, re-tiling and laying new flooring once the slab is dry. We do the non-electrical work.
Floor-level circuits and appliances that were under water must be inspected and tested by an electrical contractor registered with Suruhanjaya Tenaga.
WhatsApp us your area, the property type and the type of floor in each flooded room, and we reply within the hour.
How we wrote this: this guide gives no prices and no fixed drying times, because both depend on the floor, the slab and the flood. Flooring advice reflects standard practice for the floors used in Malaysian homes; health, asbestos and drying points are attributed to the US EPA.
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