What is screed?

Screed is used in all types of construction projects from commercial, residential and industrial. The screeds main purpose is to give a smooth and level floor on which to lay your final chosen floor finishes. The screed can be applied onto a solid in-situ concrete slab any form of insulation layer or alternatively onto precast concrete beams.

In regard to underfloor heating, the floor screed is used to cover and bury the pipes that are used in the heating system. This helps deliver the best performance and aid the transport of heat throughout the floor.

What types of screed are there?

There are two most commonly used screeds in the UK market:

· Traditional screeds – These are sand and cement screeds which are mixed by hand or delivered by ready mix trucks and can be pumped
· Liquid screeds – Also know as free-flowing screeds, these are either cement or anhydrite based screeds and are delivered to site by ready mix trucks and pumped into location.

Why choose Liquid screed?

With any building project the speed of installation is one of the vital issues.

Installing traditional sand and cement screed is very labour intensive. The screed is either mixed on site and pumped into location or delivered by ready mix truck. Building sites can require areas to store the material before and during use. Although it’s compatible with UFH, hand-mixed sand/cement isn’t ideally suited as it’s relatively thick (typically laid 65mm to 75mm deep) and prone to harbouring pockets of air that can act as a barrier to heat transfer.

Liquid screeds are pre-mixed and delivered by ready mix truck they are pumped into location. Liquid screeds can be laid in thinner sections as low as 25mm in some applications, they can be walked on typically within 24-48hrs and are self-compacting in nature and effectively self – levelling. Best of all, liquid screeds are ideally suited to UFH because the liquid envelopes the pipes eliminating voids, so enhancing heat transfer between the pipes and the screed. Also the slimmer covering over pipes allows a quicker reaction time with better response/controllability. Liquid screeds can be installed in larger volumes than traditionally sand and cement screeds due to the ease of placement.

Why Longfloor liquid cement screed?

Longfloor provides the ideal solution for the domestic floor market, commercial sector and for use with underfloor heating.

· Produced by approved manufacturers with quality approved materials
· Compatible with all cement-based tile adhesives
· Can be laid at 25mm thickness
· Drying times quicker than alternative systems
· No requirements to sand the surface
· Can be laid in wet rooms
· Can be foot trafficked after 24 hours

At Longfloor, we have accumulated years of experience in the concrete and screed industry, and employ our own equipment and staff at every stage to ensure we can supply the highest quality of flooring screed. Longfloor liquid cement binder is manufactured using our own specialist, purpose-built, milling and blending facilities, so you can be sure that the liquid cement screed we supply will be simple and quick to install, and last long into the future.

We pride ourselves on supplying a product which our experts have specialist knowledge of, through every stage of manufacturing to installation, so take advantage of our knowledge and let us help with your project.