Need a advise on above topic. I am repairing a garden wall about 20 bricks I have purchased the concentrate 250 Ml Need to be accurate now what is the mix per say litre of water to the ml of mix - the diagram shows 5 to 10 ml to 10 ltrs of water Please confirm is this the ideal mix. I have already purchased a 40 kilo bag of ready mix - many thanks in advance
Opti-mix super concentrate mortar plasticiser mix with water
- Thread starter johnscts
- Start date
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Does the readymix mortar not already have plasticiser in it?
If youre sure it doesnt, put 5 ml of your plasticiser in a litre of water and mix it with the bagged mix according to the manufacturer instructions. add more water as required to get the mortar to the specified consistency, and mix the whole lot well
you dont need to worry about accuracy of plasticiser to water, and i can't even believe that the packet makes a big deal of how much water to mix it with, as builders more often related plasticiser amounts with cement amounts - 5 ml of the sika plasticiser I use is good for a full bag of cement, the sand amount varies according to the mix i want and the water amount i add to the mixer varies according to how wet the sand is. Sand is wet by the rain and the rain doesnt contain plasticiser, so sometimes you can end up putting virtually no water in at all - in that case premixing the plasticiser with waater wouldnt help because you wouldnt be adding any of the water to the mix! Hence why I say plasticiser is related to the amount of solid materials rolling around the mixer, not the amount of water that will be added
If youre sure it doesnt, put 5 ml of your plasticiser in a litre of water and mix it with the bagged mix according to the manufacturer instructions. add more water as required to get the mortar to the specified consistency, and mix the whole lot well
you dont need to worry about accuracy of plasticiser to water, and i can't even believe that the packet makes a big deal of how much water to mix it with, as builders more often related plasticiser amounts with cement amounts - 5 ml of the sika plasticiser I use is good for a full bag of cement, the sand amount varies according to the mix i want and the water amount i add to the mixer varies according to how wet the sand is. Sand is wet by the rain and the rain doesnt contain plasticiser, so sometimes you can end up putting virtually no water in at all - in that case premixing the plasticiser with waater wouldnt help because you wouldnt be adding any of the water to the mix! Hence why I say plasticiser is related to the amount of solid materials rolling around the mixer, not the amount of water that will be added
For 20 bricks just go and buy a bag of ready mixed sand and cement, add clean water and lay the bricks - no plasticiser or additives needed.
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