ONE of the most important parts of installing a new floor is ensuring the subfloor is in a fit state to receive the covering. It should be sound, dry, clean, and smooth or the finished flooring will have problems which can vary from problems with the appearance to debonding and complete failure. The way to avoid such issues is to properly prepare the surface.
Screeds should be checked for humidity and a dampproof membrane applied where it’s found to be more than 75% RH. Tilemaster Adhesives says Tilemaster FAST One Coat DPM is suitable for use on a wide range of substrates including concrete, sand/cement screeds and calcium sulphate screeds. ‘It’s fast-curing and ready to receive smoothing compounds in between four-to-five hours.’
Where the substrate is rough or uneven, it should be pre-smoothed before applying the damp-proof membranes (DPM).
Continues the company: ‘Tilemaster LevelFlex+ FINISH is moisture tolerant and can be applied in depths from 2-60mm over various substrates including flooring grade bitumen and asphalt, existing vinyl and ceramic tiles. An additional coat should be applied over the Tilemaster FAST One Coat DPM once it has cured.
‘On dry screeds which simply need to be smoothed or levelled, a smoothing compound should be applied after priming. Tilemaster Primeplus is designed to prime, stabilise, and seal substrates prior to the application of self-levelling compounds and Prime+ Grip is a ready mixed, ready-to-use, rapid- drying primer that can be used on absorbent and non-absorbent substrates and provides a textured ‘+ Grip’ surface.’
Adds Tilemaster: ‘Tilemaster LevelFlex+ FINISH was developed with the specific aim of providing a superb surface finish allowing flooring to be installed directly without additional preparation. This flexible fibre-reinforced smoothing compound is rapid-setting and drying, allowing foot traffic after 2.5 hours and floorcoverings to be applied after four hours.’
More information and technical advice on Tilemaster Adhesives’ range of flooring products, including levelling and smoothing compounds, DPM, primers, adhesives and sealants, is available on the website or by contacting the dedicated flooring sales team. All products are manufactured and stocked in Leyland, Lancashire.