Floor Screed Minimum Thickness With Sbr

However bs 8204 1 emphasizes that there is a high risk of screed curling with unbonded and floating levelling screeds.

Floor screed minimum thickness with sbr.

As 3958 1 2007 a2 3 a nominates the minimum bonded screed thickness of 15mm at any isolated point. The screed thickness should not be less than 50mm. Pye pw and harrison hw. This screed provides high performance at thinner sections and is ideal when normal thickness cannot be achieved.

When bonding directly to the substrate with a bonding agent or a primer the minimum is 1 2mm feather edge with smoothing compound. Shrinkage and cracking is minimised permeability is reduced and flexural strength is improved. Also where bonded screeds are installed as part of a flexible waterproofing system in combination with a flexible bonding agents. If we look at each different type you re going to have different floor screed thickness on the minimum and maximum depths.

Bonded screeds are utilised where screed thickness cannot be built up or to minimise dead loads on structure. Sbr polymer modified screed includes a synthetic polymer resin to give increased toughness and bond properties. A minimum thickness of 65mm is possible provided the thermal insulation boards are firm enough for the compaction of the screed. Floors and flooring bre 2003.

Therefore to allow for deviations in the finished levels the specified design thickness should be a minimum of 70mm. Isocrete isopol sbr is used to produce polymer modified wearing screeds for heavy duty and industrial flooring and for rapid drying levelling screeds.