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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Painting, Decorating & Tiling Questions >> Removing Marley tile adhesive from concrete floor. https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1259155836 Message started by Owlet on Nov 25^th, 2009, 1:30pm

Title: Removing Marley tile adhesive from concrete floor.
Post by Owlet on Nov 25^th, 2009, 1:30pm

Anyone got ant tips for getting the black bitumen type adhesive (which originally stuck Marley tile down) off a concrete floor? Its been combed on about a 1/16th thick and I'm told this must be removed before the ceramic tile adhesive can be applied.

Title: Re: Removing Marley tile adhesive from concrete floor.
Post by TIMBA-WOLF on Nov 25^th, 2009, 9:10pm

first try scrapping the black bitumen up with a scrapper, if soft enough.. if not soft enough, try a gentle warming with a hairdryer, to aid it in becoming soft.. , once its gone and just left a residue in/ on the concrete..

Mix pva with cement and sand till its a grey colour and creamy and use a roller to put it on the floor. The next day it should be sound to tile on after another coat of pva 5-1 to kill the suction, and away you go.