is it possible to use tile backer boards on masonry?

[finest1]

hi all

i was fixing a leak in my loft shower room. the photos show after i had removed the plaster off the walls. on the edging photo i've measured 20mm from brick to shower tray. on the shower facing side i've measured 13mm. tile is 7mm thickness. i was wondering, rather than pack it out with cement mix, could i use those water resistant backing boards instead? or even a bit of cement mix and then backing board?

thanks in advance

 

[ShaunCorbs]

Yes you can stick it to block / brick with tile addy

 

[finest1]

Yes you can stick it to block / brick with tile addy

is that normal tile adhesive?, i've got the mapei one

can i use 6mm boards?

 

[ShaunCorbs]

Yes and you can add screws with the big wedi washers aswell

Depends on the height difference

 

[finest1]

would you advise me cut the boards and do a staggered approach, or just cut the board to size and add. its only the exposed areas im adding boards to, especially where the tiles meet the shower tray

 

[ShaunCorbs]

Doesn’t really matter then as you only stagger if your putting boards above etc

So just cut to size

 

[king of pipes]

That is what I would use no need to stagger anything on a repair, prime the area to be repaired then around the bath mix up some tile adhesive and use that to level off allowing it to cure before then sticking a section of cement faced foam insulation board, just to give you a idea heres one I'm doing mapie adhesive is ok long as its a flexible one fix the board every 300 mm with washers screws and red rawl plugs . Regards kop

 

[finest1]

That is what I would use no need to stagger anything on a repair, prime the area to be repaired then around the bath mix up some tile adhesive and use that to level off allowing it to cure before then sticking a section of cement faced foam insulation board, just to give you a idea heres one I'm doing mapie adhesive is ok long as its a flexible one fix the board every 300 mm with washers screws and red rawl plugs . Regards kop

thanks for the tip. that looks great, its gonna look great when you tile over it. i wish i knew all this stuff when i was getting this built...

 

[finest1]

Doesn’t really matter then as you only stagger if your putting boards above etc

So just cut to size

thanks

 

[finest1]

oh, quick question, what size rawl plugs should i use? i take it the screws should be minimum 50mm into the wall, i have some screwfix turbo gold 100mm left, about half a box, would that do?

 

[ShaunCorbs]

Red will be fine or brown depending on screw

 

[king of pipes]

thanks for the tip. that looks great, its gonna look great when you tile over it. i wish i knew all this stuff when i was getting this built...

 

[finest1]

you doing the tiling yourself? looks so good ! underfloor heating?

 

[finest1]

Red will be fine or brown depending on screw

these any good?

Plasplugs SuperGrip Red Fixing Clips (Pack of 100)

Buy Plasplugs SuperGrip Red Fixing Clips (Pack of 100) at Tile Giant. Get free delivery on orders over £250 or Click & Collect in store.

www.tilegiant.co.uk

 

[finest1]

another question: would i need SBR? i'm making my list up, want to get on top of this on the weekend