A screed reinforcement fibres has increased strength, which makes it easier to install a floor covering and reduces the risk of cracking. A traditional solution uses a net reinforcement, which is not without its disadvantages: it has to be removed after 28 days, is expensive and slow. In addition, the mesh can cause a pit to form in the insulation layer, which can damage floor coverings and tiles. This is why many builders now use a screed with reinforcement fibres.
The fibres are made from polypropylene and have a low density, which means that they can be added to the concrete mix without changing its composition. They are evenly distributed in the solution and increase its strength. This helps to deflect intrinsic stresses that can lead to cracking during the drying process and avoids larger cracks, which can occur around pipes and day joints. They also improve the resistance to abrasion and impact, and prevents delamination – a splitting of the screed into layers – which can occur when final floor finishes are installed before the solution has dried optimally.
The Importance of Screed Reinforcement Fibres in Construction
The fibres are suitable for both bonded and unbonded concrete solutions. They are easy to work with and do not interfere with the mixing process. In addition, they can be spread over a large area and do not swell during installation. They are also much lighter than steel wire and do not conduct electricity, which makes them safer for builders to work with. They do not break the solution hoses and do not clog the agitators, which is a great advantage when installing warm floors.
