Can you DIY your floor? An honest checklist

The floor might contain asbestos

Old vinyl tile, sheet vinyl, black adhesive or a textured backing. If you do not know, stop and get it tested. This is not a DIY problem.

There has been a leak, flood or long-standing damp smell

Water damage has to be found and fixed before any new floor goes down. A new floor over a wet subfloor will fail again.

The room is a bathroom, laundry or wet room

Wet areas need waterproofing, drainage falls and a different substrate. A floating floor in a wet room is a countdown, not an installation.

You are not sure the joists or subfloor are sound

Bounce, sag, soft patches or a floor that moves when you walk. A structural problem is a pro problem before it is a flooring problem.

The floor is on stairs or a landing

Stairs need nosing, precise cuts and a fixing method that does not rely on gravity. Doable, but not as a first job.

You need to move a toilet, radiator or kitchen island

Plumbing, gas and cabinets turn a flooring job into a coordination job. Sometimes the right answer is to floor around them and call someone for the rest.

The subfloor is concrete and you have not tested for moisture

Tape a plastic sheet down for 24 hours. If condensation forms, the slab is passing moisture and needs a barrier or a different system.

The subfloor is out of flat by more than the carton allows

A straightedge and a 10 ft run will tell you. Sanding or patching a high spot is a job in itself.

The floor is going over underfloor heating

Some floors are compatible, some are not, and the maximum surface temperature matters. The manufacturer decides, not the sales assistant.

You have a helper, a clear weekend and somewhere to put the furniture

A second pair of hands halves the cursing. Furniture out of the room is not optional if you want a straight first row.

You are comfortable with a multi-tool and a circular saw

You do not need to be fast. You do need to be comfortable making a cut you cannot undo.

You can afford to practise in a closet or a small room first

The best first floor is a small one with a door that closes. If the first room is the living room, consider a pro.

This checklist works without JavaScript: every item and every stop sign is visible. The verdict panel is the enhancement.

Without the script

How to read your answers.

Any item marked Stop means call a pro before you buy materials. Not because you are incapable, but because the job involves asbestos, water, structure or a wet area, and those are not flooring problems.

Three or more unmarked items means slow down and plan. Two or fewer means you are probably in good shape, provided the subfloor is flat and the carton instructions match what you are about to do.

The one rule that matters

If you are unsure about asbestos, stop. Do not sand, scrape, pry or vacuum anything until a sample has been tested. Everything else on this page can be fixed. That one cannot be undone.

The questions

The four we hear most.

Can I lay laminate over a concrete floor?

Usually yes, if the slab is flat, dry and covered with the vapour barrier the flooring manufacturer specifies. Test for moisture first: tape a plastic sheet down for 24 hours and look for condensation. If the slab is damp, the floor needs a barrier or a different system before anything goes on top.

Do I need a pro to remove old vinyl tile?

If there is any chance the tile, backing or adhesive contains asbestos, yes. Get a sample tested before you scrape, sand or pry anything. Disturbing asbestos is a health problem, not a flooring problem, and it is not a job for a weekend.

Can I tile over existing tile?

Sometimes, but it is not a beginner shortcut. The existing tile has to be sound, clean, flat and properly bonded, and the added height affects transitions, door clearances and fixtures. If any tile is loose or the floor deflects, remove it.

How long does a DIY floor take?

A normal room is usually a long day for the floor and another half-day for trim, once the planks have acclimated. Add time for the first row, the door jambs and the last row. If you have never done it, double the estimate rather than the caffeine.

Find my fail See the tool list

Can you DIY this?

How to read your answers.

The four we hear most.