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I’ve left approx 75mm depth in most areas for: 50mm mortar bed 22mm paving This will bring me to the correct level (with top of concrete edge) once installed

So in my case 15mm in small sections discrepancy is good?

So are we saying that you believe I don’t need to adjust the MOT, and just level slabs with mortar bed and mallet the Indian stone level?

Ah that’s ok then. I’ve just run a string line from the top of the edge to top of the other edges (finished level of patio) and most areas are approx 75mm (which is correct height I need) and some areas are 80-90mm so I expect I’ll be ok. I do actually have some MOT left over, is it worth...

I’ve compacted my MOT for patio base. There are a couple of areas that are 10-15mm lower than some other areas, is this ok to just use more mortar when laying the slabs (Indian stone)? Cheers

MOT laid and compacted with Wacker plate I assume it’s okay to make up any discrepancies when I lay the slabs on mortar? is it ok to get wet now it’s compacted, I won’t start laying slabs until next weekend and I’m sure it’ll rain before then Cheers

But can I wack it if it’s raining? Will it mush up?

Yes it’s all dug out ready to go Maybe I’ll cancel the delivery of MOT to stop me doing it

I’ve got 3 tonne bags of MOT type - arriving this Thursday and I won’t be able to put it down until Friday afternoon / Saturday morning. The forecast was originally dry this weekend but now it’s changed to 40-50% chance of rain all day saturday Because I’m compacting with a Wacker plate, am I...

Is there a typical size grout joint used for Indian stone paving? 10mm or 15mm? Cheers

I’ve just bought a 4” masonry brush to use (before reading this), will that be ok to use? Do you mean I should wet the back of the slabs with a sponge or something before applying the slurry?

Ok thanks! What sort of square metre would that amount cover? Cheers

So is 2 buckets water, 1 bucket cement correct …. How much SBR additive would I add?

Please can you confirm what the best mix is to make a homemade priming slurry to be used on Indian sandstone prior to laying on a mortar bed Is it something like: 1 bucket of cement mixed into 2 buckets of water? Also, when laying the slabs is it best to use a 4:1 sharp sand:cement mix as the...

Cheers

Do need to bed the paving slab slightly above ACO channel or can I butt I lt up to it level with edge? (Mortar will be buttered up to the edge of ACO as per @noseall advice) I’m hoping the latter because I’ve installed the ado channel level with the top of the edging (which will be where the...

Ah ok. 3 tonne it is. Cheers

I will need approx 2.3 tonne of MOT type 1 for my patio base Should I order 3 tonne or order 2 tonne and use more sharp sand as mortar bed?

Ah okay so I can butt it up to it so long as it’s buttered with mortar? Cheers

Do I need to leave a gap between paving slabs and the edge of the ACO channel? If so, what size gap? If so, do I have to use a mortar mix or can I use the same joint compound that I’m using the for rest - pro joint fusion