Use what the trade uses K-Seal Total, resin patio sealer and block paving sealer
Drive way sealant turns the sand between blocks to a solid state thus all but eliminating weed growth from the tiny gaps. It will also help to reduce penatration of oil and other contaminant spills and reduce the weathering of the surface.
Our price includes delivery and we recommend a tin per 50 Square meters
We can also carry out this service