Recent content by tododo

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    Let my Primer Dry Out

    Hi all Ive made a mistake in priming no more ply cement boards to make them more water resistant out doors Problem is II perimed them fine but Ive let them dry out - didnt realise you prime just before tiling - muppet Would sanding down and roughing up the surface and doing again before...
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    Trowel Size For 550 mm x 150 mm Tiles on Cement Board (External)

    Ive bought a 10 and 12mm. Will start with the 10mm to see how it covers. Yeh will see how it goes with the stuff comming through the gaps.....could be very messy. Hope not, may have to leave adesive go off a touch not sure like......what sort of gap do you leave between the tiles....1 or 2mm?
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    Trowel Size For 550 mm x 150 mm Tiles on Cement Board (External)

    Hi all - just trying to figure out what size trowel I need for fixing natural quartzite splitface tiles to cement board externally. Im guessing 10 or 12mm but wanted to check before I buy. They are fairly think (20mm) in places and thinner elsewhere I know they have to be back buttered but not...
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    External 12mm No More Ply - SBR or Tank

    Yeh - they should be fairly sheltered and going for natural stone (quartzite) so should be pretty tough. Im planning to use an S2 adhesive. But Ill be honest not sure if S1 or S2 will suffice. They wont move but there will be some expansion I suppose when in direct sunlight. The place where Im...
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    External 12mm No More Ply - SBR or Tank

    Brill thanks - felt like I maybe going over the top a touch, but wanted to check...the NMP has got wet before priming and It appeared to soak up water. Now its been primed its far better but wernt sure if I should waterproof more....thanks
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    External 12mm No More Ply - SBR or Tank

    Hi all Ive got some 12mm No More Ply to put on a very small retaining wall in the garden. Ive put plastic battens up and plan on using no more ply and then tile onto that. I have put two coats of watered down SBR on all sides of the NMP but is that enough do you think. It will get wet at times...
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    Very green / damp retaining wall - Tile Over?

    Thanks all - yeh I wish we could do the wall again - it was a mess for years with 1930s coal dust mixed with something and it was always being pacthed up as whatever that render was made of cracked up. When the neighbours moved in we asked if we could go halfs to make it half decent. They had...
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    Very green / damp retaining wall - Tile Over?

    Just been on youtube - some installers on there use are using a silcone to fix the tile - never thought of that ie Sika Sikaflex EBT+ Hybrid Sealant - not sure if thats better or not????
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    Very green / damp retaining wall - Tile Over?

    Hi all - im not sure if im doing the right thing here but I have a very small retaining wall ouside (block on flat) and sand/cement render. It was done around 4 years ago and its a mess already. The render is green and in parts pitted and eroding away. I know theres no drainage but without...
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    Block on Flat Retaining Wall - External Render Problem

    arh those things - brilliant thanks again
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    Block on Flat Retaining Wall - External Render Problem

    Just a quick one hopefully - trying to source stainless steel cement board screws......but there are none that ive found yet....would you recommend using non stainless steel (specific for the job) cement board screws outdoors (zinc coated) or would it just be better to use standard stainless...
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    Block on Flat Retaining Wall - External Render Problem

    If I powerwash it - I wouldnt be surprised if a lot of the render would just fall off anyway in certain areas. Was hoping to get away with wood but your are right!
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    Block on Flat Retaining Wall - External Render Problem

    Yes we should have had some sort of drainage and I kinda knew it would be an issue - its a better structure than we had before for sure. It was just some sort of coal dust mixed with something to make a render from the 1930s before.....not much strength to it at all Now the low wall is fine its...
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    Retaining Wall - Plastic Battens/Concerte Sheet and Tile

    Easy - thankyou - saves me going out and buying thunderbolts
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    Retaining Wall - Plastic Battens/Concerte Sheet and Tile

    Hi all I have a small retaining wall at the side of the house thats fairly recently been built to replace a really old wall that was a problem. Its block on flat with render but because of damp comming through all the time the paint just goes green and it just looks awful....we should have had...
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