which primer is best.

Can anyone tell me which is the best primer to use before levelling, I need to be able to prime and screed the same night.

 

depends on the subfloor & also what your using.
it's not normally as simple as 'one does all'

 

Try to stick with one companies products. That way, if there's a problem, they can't blame it on another manufacturers product.

 

Try and use the same manufacturers for primer and screed. Most primers can be gone over pretty quick over a porous subfloor with diluted primer, on a DPM/non porous subfloor undiluted primer could take abit longer to dry even though I've never had to wait a ridiculous amount of time. And never go over wet primer because you might aswell not bothered.

 

couple of floor fans, & open windows etc always speeds things up

 

Personally use p131 on most when diluted if neat id sooner use p51 from ardex, as I dont trust 131 neat.

 

Used p131 neat loads over the last year an no problems. It used to come off when used on dpm's or ceramics but it's been sound this last year IMO.

 

Level it do a primer for non absorb any floors, it's the quickest drying primer I've came across. But I do like to stick to a system. FBall primer with FBall screed etc.