Screed Thickness Bathroom Floor

Stick on 10mm thick marmox insulation board on a 5mm of glue put on top a 2mm thick wire mesh tie down to it 6mm thick electric floor.

Screed thickness bathroom floor. The difference in level between the concrete there and the estimated finished floor level elsewhere is approx 57mm. A minimum thickness of 65mm is possible provided the thermal insulation boards are firm enough for the compaction of the screed. Movement joints it is essential that movement joints are carried through the tile adhesive and screed and are kept free from dust adhesive and other contaminants. Balconies bathroom floors and shower bases.

As 3958 1 2007 a2 3 b guide to the installation of ceramic tiles nominates the minimum unbonded screed thickness at 40mm. A floor screed is usually a cementitious material made from a 1 3 or 1 4 5 ratio of cement to sharp sand. When bonding directly to the substrate with a bonding agent or a primer the minimum is 1 2mm feather edge with smoothing compound. Pye pw and harrison hw.

I need an expert s advice about screeding the slab in the bathroom. Bonded screed minimum depth. It may be applied onto either a solid in situ concrete ground floor slab or onto a precast concrete floor unit. This is often ignored and screeds often crack around floor wastes where minimum thicknesses are not achieved.

There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. 3 sands or 1 portland cement. Re enforcement wire is commonly incorporated within the screed to maintain its integrity. Floors and flooring bre 2003.

If the thickness of the floor screed does not exceed 40mm then the recommended mix is 1 portland cement. Product coverage 20kg of easy mix traditional floor screed will cover approximately 1m2 at a thickness of 10mm. Each 20kg bag of traditional floor screed will cover approximately 1m 2 at a thickness of 10mm. There are proprietary screeds available that can be laid at thinner depths than conventional sand and cement screeds.

3 coarse aggregate 10 mm maximum aggregate size should be considered if the floor screed thickness is greater than 40mm.