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Hello Andy,K in Kent, would you advise the silka sand sealed with resiblock trade or would kiln dried sand and resiblock be ok? I have just added the pressure washing service to my company so I am doing as much research as I can before I undertake the first Job. Thanks in advance, Andy.
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Maybe K in Kent could chime in, but I would recon around 50p per sqm for sealing?
Thank you Cristian , that is very kind of u to say so. I'm only too happy to help - as are some of the other contributors on this forum.I was well off with my 50p a sqm, hit me with a smelly fish but K in Kent you are a star! That is one informative post my friend thanks very much for sharing you knowledge with me and other forum members ,, very much appreciated,, :thumbsup: /emoticons/biggrin.png
Thank you K in Kent, I have given the customer a quote for both options and explained the pros/cons of having the drives sealed or not. I noticed in another of your comments you prefer to apply the resiblock trade by sparaying, how best would you go about this? Can you get away with a watering can or do you need to use a pressure spraying bottle? Thanks again, Andy.Hello Andy,Sorry only just seen your post. There's no need to seal products like silka because they set in situ with adding water.
The purpose of sealing block paving or using products like silka is to stabilise (harden) the jointing sand and protect it from erosion by rain / wind etc.
The sand itself is necessary to maintain paving strength and friction between blocks to spread weight of traffic. Without it blocks becone lose and/or break under weight of vehicles etc.
So it's a choice between self setting sand which can also have weed inbitors added to it like Dansand or sealing normal kiln dried sand with product like Resiblock Trade. There are obviously other brands and additional effects like wet look / gloss sheen but much more expensive and 2 coat systems - that's recommended by manufacturers anyway.
However,quality and effectiveness vary greatly. But for stabilising jointing sand I don't think there is anything better value for money than Resiblock Trade
If using sealant rather than silka the earning potential is greater as are its selling points i.e. the protective barrier it provides against stains,oil etc.
But yeah it is silka/dansand & co. on their own OR
kiln dried sand with sealer
No don't use a watering can. The coverage isn't so consistent and the drops hit the ground with more of a splat and you don't want to disturb the sand - and last thing u need is the sprinkler falling off!Thank you K in Kent, I have given the customer a quote for both options and explained the pros/cons of having the drives sealed or not. I noticed in another of your comments you prefer to apply the resiblock trade by sparaying, how best would you go about this? Can you get away with a watering can or do you need to use a pressure spraying bottle? Thanks again, Andy.
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Great, thanks for the help.No don't use a watering can. The coverage isn't so consistent and the drops hit the ground with more of a splat and you don't want to disturb the sand - and last thing u need is the sprinkler falling off! Use a pump sprayer wirh viton seals like this Hozelock although you can get cheaper ones with larger capacity if u look around and Amazon is your best bet.This just meant as an example for you.... Hozelock Viton 7 Litre Industrial Sprayer (max fill* 5L): Amazon.co.uk: DIY & Tools
These are meant for heavy duty chemicals and last longer. However,if it's just a one-off u will get away using a basic pump srayer for a tenner from Homebase etc. There have been times when I've forgotten my sprayer and realised on way to a job and if easier for me I've stopped and bought a cheap one rather than going home and they work fine - but won't last long cos they can't withstand the corrosive effect of sealers. But worth considering to start with and just clean it and pump through fresh water afterwards and u might get more use out of it.
Longer term though once the expense is justified get a decent one cos a cheap sprayer will pack up without warning
Out of interest how do you charge for re-pointing?Imprint prices include all cracks repaired. Flag stone, crazy paving etc prices, includes re-pointing. Not interested in doing part of the job. If they don't want it done right I aint interested in doing it.