Thompsons Water Seal on block paving
Discussion
Wow - what a coincidence.
I had a block-paved drive laid last week and on Saturday (just past) used this to 'seal' it:
For a 'clear' liquid I was surprised at how much it darkened down the brickwork but to be fair:
1. It does tell you it will do that on the can (something like: "Be aware that this product will change the colour of your bricks...")
2. Although its a clear liquid - It actually does make the bricks look better as its brought out the colour of the bricks quite a bit.
Its approx £20 for 5 Litres in Homebase and according to the blurb on the can should cover 6m sq per 1 Litre...although I think thats generous in the extreme.
Apply using a roller (thick pile) or brush......or the wife
I had a block-paved drive laid last week and on Saturday (just past) used this to 'seal' it:
For a 'clear' liquid I was surprised at how much it darkened down the brickwork but to be fair:
1. It does tell you it will do that on the can (something like: "Be aware that this product will change the colour of your bricks...")
2. Although its a clear liquid - It actually does make the bricks look better as its brought out the colour of the bricks quite a bit.
Its approx £20 for 5 Litres in Homebase and according to the blurb on the can should cover 6m sq per 1 Litre...although I think thats generous in the extreme.
Apply using a roller (thick pile) or brush......or the wife
im said:
Wow - what a coincidence.
I had a block-paved drive laid last week and on Saturday (just past) used this to 'seal' it:
For a 'clear' liquid I was surprised at how much it darkened down the brickwork but to be fair:
1. It does tell you it will do that on the can (something like: "Be aware that this product will change the colour of your bricks...")
2. Although its a clear liquid - It actually does make the bricks look better as its brought out the colour of the bricks quite a bit.
Its approx £20 for 5 Litres in Homebase and according to the blurb on the can should cover 6m sq per 1 Litre...although I think thats generous in the extreme.
Apply using a roller (thick pile) or brush......or the wife
I hate to be the one who brings bad news but i do hope there is no efflorescence waiting to come out of those blocks, if there is a nasty creamy patch will occur. You may be ok as it is hit and miss, its recomended to leave for a good few months before sealing.I had a block-paved drive laid last week and on Saturday (just past) used this to 'seal' it:
For a 'clear' liquid I was surprised at how much it darkened down the brickwork but to be fair:
1. It does tell you it will do that on the can (something like: "Be aware that this product will change the colour of your bricks...")
2. Although its a clear liquid - It actually does make the bricks look better as its brought out the colour of the bricks quite a bit.
Its approx £20 for 5 Litres in Homebase and according to the blurb on the can should cover 6m sq per 1 Litre...although I think thats generous in the extreme.
Apply using a roller (thick pile) or brush......or the wife
Companys like resiblock will do matt finish, satin, gloss etc depending on how you want the finish to look.
I must say that in most cases it does enhance the paving as like mentioned it brings all the colour out.
m3jappa said:
I hate to be the one who brings bad news but i do hope there is no efflorescence waiting to come out of those blocks, if there is a nasty creamy patch will occur. You may be ok as it is hit and miss, its recomended to leave for a good few months before sealing.
I tested it on a small patch of the paving first - no problems were evident after 8 hours.Instructions are here:
Compatability
NOTE: Some block paving may discolour or darken and a clear seal such as Thompson's One Coat Patio & Block Paving Seal will highlight this effect. Block paving with a high lime content and newly laid blocks may produce unsightly white surfaces deposits which may reduce with weathering. Test on a small inconspicuous area prior to general application. Avoid contact with plastic and rubber materials (including footwear) whilst wet.
Preparation
For maximum performance on new block paving and paving slabs, ensure blocks or paving slabs and jointing sand are dry. In order to avoid dislodging the sand, the sand should be well compacted and slightly below the level of the block or paving slab. For existing block paving and paving slabs ensure all surfaces are clean, dry and free from grease, oil, dust or loose material that may interfere with the penetration of the sealer to be applied. Dirt, moss, lichen and other loose material can be removed using Thompson's Patio & Paving Cleaner. Grease and oil stains can be removed using Thompson's Oil & Drive Cleaner. Rinse thoroughly with water to ensure all cleaning residues are washed away. Brush area to be coated to remove all surface debris. Allow to dry thoroughly.
Application
Thompson's High Performance Patio & Block Paving Seal can be applied using a long pile roller and a roller tray or a brush. Surfaces should be dry before application. Apply an even coat to ensure all surface irregularities are covered. Attention should be paid to textured block paving slabs to ensure the surface is evenly coated and that the coating does not 'pond' in surface depressions. Brush well into the surface redistributing any surplus product. Treated surfaces should not be walked on until at least 4 hours after the final coat has dried. Avoid heavy foot traffic and the parking of any vehicles on surfaces treated with Thompson's High Performance Block Paving Seal for at least a further 24 hours. Thompson's High Performance Block Paving Seal will achieve its full hardness within a few days of application.
Clean Up
Clean brushes, rollers and other equipment immediately after use with white spirit or brush cleaner. Remove as much product
Edited by im on Monday 23 March 17:01
Why would block paving need sealing? I would have thought that your typical paving block would be extremely durable. Surely all that is required is to refresh the jointing with sharp sand and then use something like Marshalls Key Bond to seal the joints and stop the sand washing out of them. Going over the whole thing with something like Thompsons water seal is asking for trouble IMO, regarding run off and efflorescence.
Balmoral Green said:
Why would block paving need sealing? I would have thought that your typical paving block would be extremely durable. Surely all that is required is to refresh the jointing with sharp sand and then use something like Marshalls Key Bond to seal the joints and stop the sand washing out of them. Going over the whole thing with something like Thompsons water seal is asking for trouble IMO, regarding run off and efflorescence.
Parked Vehicle Oil Spills - I own a TVR after all...
This is VERY informative re Efflorescence on newly laid drives:
http://www.pavingexpert.com/eff01.htm
Apparently theres bugger all you can do about it no matter what and it'll be gone (probably) within 6 months of it appearing.
Interesting reading if you're about to have your drive laid.
http://www.pavingexpert.com/eff01.htm
Apparently theres bugger all you can do about it no matter what and it'll be gone (probably) within 6 months of it appearing.
Interesting reading if you're about to have your drive laid.
V8mate said:
I had a coloured/printed concrete drive laid two years ago. The contractor told me it would happen and said they'd come back after 12 months, remove the original sealant, clean the surface and then re-apply the sealant.
It happened, they came back, and it's never happened since
How did they remove the original sealant & clean the surface? Pressure washer?It happened, they came back, and it's never happened since
im said:
V8mate said:
I had a coloured/printed concrete drive laid two years ago. The contractor told me it would happen and said they'd come back after 12 months, remove the original sealant, clean the surface and then re-apply the sealant.
It happened, they came back, and it's never happened since
How did they remove the original sealant & clean the surface? Pressure washer?It happened, they came back, and it's never happened since
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