Floating Floor Screed Depth

I m andy parkin managing director of the multi award winning speed screed.

Floating floor screed depth.

Floating screed thickness how thin can you go. Recommended floor screed thickness mm. Traditional sand and cement would be the same. This will guarantee a satisfactory bond between floor screed and placed concrete beneath it.

Insulating a solid floor. Liquid screed is designed to cover up to 1000 square meters in one day compared to 150m in a traditional screed floor. With this a floating screed has become a popular option a floating screed is generally laid on a layer of insulation with a slip membrane over it separating the insulation from the screed. The maximum floor screed thickness of a smoothing compound would usually be around 10mm.

There will be a damp proof membrane under the insulation and possibly a second membrane on top depending on the type of screed. Floor screed type and construction condition. Most modern homes have a solid floor for example. The optimum thickness of a sand and cement bonded screed is 25 40mm an unbonded screed should have a minimum thickness of 50mm whilst a floating screed should have a thickness greater than 65mm for lightly loaded floors and 75mm for more heavily loaded floors.

Floating used to enable installation of thermal or impact sound insulation. Bonded screed minimum depth. In this case floor screed will be placed no longer than 3 hours after the placement of concrete. Understanding thin polymer modified floating screeds.

This is a type of unbonded screed. Fine concrete screed screed consisting of a concrete in which the maximum aggregate size is 10mm. As this type of screed is pumped it is usually delivered in a mixing lorry and put down via a pumping pipe. That is where you have got acoustic or thermal insulation in between the screed and the substrate and you may also have a membrane as well.

The maximum floor screed thickness of a modified sand and cement screed can be of any depth although you might wonder why you would want it very thick. For screed floor placed on. If we look at each different type you re going to have different floor screed thickness on the minimum and maximum depths. Cement sand screed screed consisting of a screed material containing sand up to a 4mm maximum aggregate size.

Floating screed laid on acoustic or thermal insulation. Insulation is laid on the concrete and covered with a screed. With the drive to gain an a1 rating in modern dwelling the use of insulation in a floor build up is becoming the normal practice.