Types of testing
We offer both physical on site testing and laboratory chemical analysis of the floor screed, we can also test the entire flooring including the sub base, structural slab, levelling screed, smoothing finish and final floor finish. Our experienced personnel are able to tailor the investigation on site should chemical analysis be more pertinent that the physical test. Read more >
Manchester Building & Testing Laboratories can determine moisture content of the screed and sub floor either on site by the relative humidity testing method outlined to BS 8203:2001+A1:2009 or by samples taken back to our laboratories.
Sub floor construction moisture , is a common problem which can affect the final floor finish , the rule of thumb is that it takes one month for each 25 mm of sub floor thickness.
Failure to check the moisture content of the screed or subfloor can cause issues even if a damp proof membrane is to be used.
BRE Screed testing
If the floor screed is breaking up, cratering or there is loss of adhesion form the resilient floor finish (vinyl, Amtico etc.) or rigid ceramic or natural stone tiles to the screed, the failure could be a lack of compaction of the screed. One method of testing the screed is by using The BRE Screed tester.
The BRE Drop hammer Test is an in situ crushing resistance (ISCR) test designed to test the strength and compaction of the screed as outlined in BS8204-1:2003 + A1:2009 Annex E. Read more
Manchester Building and Testing Laboratories can carry out full chemical analysis of the screed in our own laboratories.Read more >