Insulation board fixing method - Tile Advice

[Tolly123]

Hi, whats the normal method of fixing jacko/wedi board to timber floors.

Ive used these boards a fair bit before but never on floors so im unsure on what way round to do it...

Do you set them with rapid set then add the fixings while the adhesives still wet or wait until its set and then add the fixings?

Im worried if you fix them straight away it will move the adhesive bed around underneath it?

Thanks in advance,
Matt

 

[Dave]

Screws and washers as you go. 👍

 

[Ben-gee]

If the floor is uneven, use the tile adhesive to level it out as you put the boards down.
Use rapid set but - wait until the addy has gone off before you screw down with washers and screws.

The adhesive is to give you a solid level base below the boards, not to ‘fix’ them.
The screws are to fix them.