Laying Hardboard On Concrete Floor

Tiles ideally should be laid directly on to concrete but if you wish to lay them over floorboards use 12mm hardboard or plywood and fix it down firmly with screws every 300mm or so.

Laying hardboard on concrete floor.

It is not a good idea to lay ceramic or stone tiles on suspended upper floors unless you are sure that the joists can carry the extra weight consult a. If you re moving into a brand new home or you just poured the concrete slab the concrete needs to cure before you can install hardwood flooring over it. I needed to level beforer laying laminate. I need to fix some 3mm hardboard to a concrete floor to give a smooth surface to lay a lino floor.

The floors had been laid separately the dining room concrete floor was about 15 mm lower. These convenient panels of cementitious board provide an instant flat hard surface that bonds with the thin set adhesives or mortars used to install tile. It takes 6 to 8 weeks for concrete to cure depending on climate and the concrete mixture. It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common.

I used 12mm wbp plywood about 25 for 8x4 sheet cut. Whenever you re laying tile on a wood subfloor you need to first install cement backerboard to prevent leaks and water damage. Whatever your subfloor is made of be sure it s squeak free before you install the cement board. The existing concrete floor needs to be completely free of all oils and other impurities before you lay the hardboard since you can t screw it down and must rely entirely on the mortar bond.

I have vinyl flooring over it all but will be having new vinyl professionally laid soon. Prepare a solid squeak free subfloor one of the keys to a long lasting tile installation is the underlying subfloor. The concrete has a under floor heating system so i need to use some kid of adhesive. Screwing the plywood.

Hardboard also called cement board looks and cuts like drywall but once installed it has the flat solidity of a layer of cement. I have hardboard sheets under the vinyl but because the concrete floor is not totally flat all over one piece of hardboard that spans across the two floor types lifts slightly and therefore lifts the vinyl by about 5mm which you notice when you walk on it. It has to be rock solid before you lay the 1 2 in.