How To Lay Floor Screed. How to screed a. Screed is formed laying a crumbly mix of sharp sand to cement usually 51 not wet or dry.
There are three common types of screed used residentially. The mix should be fairly dry. Allow a day for every mm depth up to the first 40mm then two days per mm.
Unfortunately you cant lay floor coverings until the screed is 100 dried out all the way through.
Apply the desired surface finish using a wooden or polyurethane float. After you pour the self-leveling compound scrape the screed over the latex to spread it evenly over. Mix your floor screed at 4 sand to 1 cement. Squeeze some slightly damp mix in hand and if it stays together thats the right mix and tipped onto the floor using battens at certain locations depending on the room and drawing a length of straight timber towards yourself to level out the screed and use a trowel to smooth out any bumps and fill in.
