Preapre Floor For Ditra

I am laying ditra matting on a very large concrete kitchen floor.

Preapre floor for ditra. The subfloor is 5 8 t g plywood joists 2x12 on 12 centers. A short video on how to prepare floors for 12x24 large format tile using schluter ditra. If it s any more than that the tile and or grout may be prone to cracking. After completing the prep work the floor should measure 1 1 4 inch thick the recommended thickness for proper tile installation.

Ditra xl is 5 16 7 mm thick to create an even transition between typical 5 16 7 mm thick tile and 3 4 19 mm thick hardwood flooring. Builders have now disappeared leaving the customer in a mess. The most important part of a tile floor installation is prepping the subfloor. The subfloor is 3 4 x 7 tongue and groove plank with some knots set on the diagonal.

1 inspect the floor from the basement or crawl space below it. It is 6 x7 and the floor slopes a quarter inch over the 6 width. For example if the floor joists are 16 feet long the maximum deflection is 0 5 inch. To this two layer plywood base and you will have one of the best substates available for thinset ceramic tile.

My question is can i install the ditra over the floor leveler or do i put down another layer of plywood 1 4 first. Tile subfloor thickness deflection installing electric radiant heat pouring self leveling mortar leveling flattening the subfloor installing cement board cbu installing schluter ditra marking guidelines for tile how to lay tile how to grout tile joints even a perfectly level subfloor won t guarantee a beautiful long lasting tile floor. This is the preferred detail on wood framed floors for tile expert michael byrne and other expert tilesetters i have worked with. What do ya think.

Installing a tile floor is the perfect project for a bathroom renovation. The builders had a go at self levelling the floor twice and made a right hash of it both times. Ditra xl allows for ceramic tile application over single layer plywood osb subfloors on joists spaced at 24 610 mm o c. Floor joists are 1 75 x 9 16 oc longest support span is about 12 feet.

Durable tile floors look sophisticated and are great for wet areas. I plan to use the thinner ditra uncoupling membrane. First time floor diy i would like to install porcelain stone or thin brick on my 1955 kitchen and hall floor. If you don t do it right the floor could crack and buckle.

The slc is flaking in parts and the. The rigidity standard recommended by the tile council of north america tcna is l 360 which means that the floor shouldn t flex more than the length of the floor joists divided by 360. Add a good quality crack isolation membrane ditra stratamat nobleseal etc.