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Kev Martin

  • Posts: 6954
Sealers - How Many Coats - Prize Question
« on: December 05, 2013, 01:54:14 pm »
I had a call yesterday from a very experienced tiler saying he had put 5 coats of impregnating sealer on some stone he had laid in a new conservatory and it still wasn't beading.  It wasn't Aqua Mix, LTP or our Pro Sealer but that makes no difference really.  It was a sealer that is well known and performs reasonably well in tests we have done and would have done if used correctly.

The stone was a fairly porous Limestone and was 32M2!  I asked how long he had left between coats and what he had applied the sealer with?  His reply was he used a Paint Pad to apply and he had presealed before grouting and then put coat 2 on 24 hours after grouting starting at 9am and completed it by 10am and then he applied 3 more additional coats leaving 1-2 Hours between coats he did a final test at 4.30pm and it was still not beading and the stone was absorbing some water.

I was not surprised to hear any of this after his explanation but having applied literally 100's of gallons of sealer to Limestone the most coats I have ever applied is 3 and that was only in two instances.  I find most limestones accept 2 coats only!

What do you think went wrong or he did wrong?

A Prize for the best most complete explanation!!!

 Jamie CSUK NO YOU CAN'T ENTER!!!!

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #1 on: December 05, 2013, 02:05:21 pm »
Answers in your own words!!!  No google answers or plagiarism I will know ;D ;D ;D

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Jamie Pearson

  • Posts: 3407
Re: Sealers - How Many Coats - Prize Question
« Reply #2 on: December 05, 2013, 02:56:26 pm »
Jamie CSUK NO YOU CAN'T ENTER!!!!

Thats not very sporting !

Surely this means I have won as clearly, in your mind, I know the answer.

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #3 on: December 05, 2013, 04:16:38 pm »
Jamie CSUK NO YOU CAN'T ENTER!!!!

Thats not very sporting !

Surely this means I have won as clearly, in your mind, I know the answer.

I just don't want you putting the wrong reply on and embarrassing your Scottish A**e! :D :D :D

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Jamie Pearson

  • Posts: 3407
Re: Sealers - How Many Coats - Prize Question
« Reply #4 on: December 05, 2013, 04:32:38 pm »
 :'(

mark_roberts

  • Posts: 1899
Re: Sealers - How Many Coats - Prize Question
« Reply #5 on: December 06, 2013, 07:04:40 am »
It wasent curing as too many coats too soon so tile still absorbing water.

Mark

Roger Oakley

Re: Sealers - How Many Coats - Prize Question
« Reply #6 on: December 06, 2013, 09:28:20 am »
To many coats of sealer,and not allowing the sealer to fully cure before testing? or was he testing between coats to see if the sealer beaded and did not dry the surface off properly before adding yet another coat? Lithofin Stain Stop by chance?

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #7 on: December 06, 2013, 02:14:45 pm »
It wasent curing as too many coats too soon so tile still absorbing water.

Mark

Close but was looking for a bit more really

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #8 on: December 06, 2013, 02:15:58 pm »
To many coats of sealer,and not allowing the sealer to fully cure before testing? or was he testing between coats to see if the sealer beaded and did not dry the surface off properly before adding yet another coat? Lithofin Stain Stop by chance?


Roger

Like Mark close but was looking for a bit more really!  He only did the one test at 4.30pm

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

BDCS

  • Posts: 4777
Re: Sealers - How Many Coats - Prize Question
« Reply #9 on: December 06, 2013, 03:03:52 pm »
I've no idea but it sounds like all the sealer is in the cellar  ;D

chris scott

  • Posts: 3414
Re: Sealers - How Many Coats - Prize Question
« Reply #10 on: December 06, 2013, 03:51:41 pm »
Grouting ain't cured.
www.cleaning-service.uk.com
www.render-cleaning.co
https://www.cleaning-service.uk.com/bromoco-systems/
Exterior cleaning specialists covering Merseyside,Lancashire and Cheshire. TEL 08000 933267

Neil Jones

  • Posts: 1592
Re: Sealers - How Many Coats - Prize Question
« Reply #11 on: December 06, 2013, 04:11:32 pm »
A topical sealer was applied before hand and then he used an impregnator so it didn't cure. Don't shoot me down if thats ridiculous.

Roger Oakley

Re: Sealers - How Many Coats - Prize Question
« Reply #12 on: December 06, 2013, 04:35:58 pm »
As Chris stated grouting not fully cured, has he tried to seal the Limestone only and not touch the grouting so the paving is soaking moisture through the grouting if you see what I mean.

B Bailey

  • Posts: 198
Re: Sealers - How Many Coats - Prize Question
« Reply #13 on: December 06, 2013, 07:14:09 pm »
Because of the sealant before grouting, the moisture from the grout is trapped.

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #14 on: December 06, 2013, 07:42:18 pm »
A topical sealer was applied before hand and then he used an impregnator so it didn't cure. Don't shoot me down if thats ridiculous.

He used the same sealer it was all impregnating.

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Kev Martin

  • Posts: 6954
Re: Sealers - How Many Coats - Prize Question
« Reply #15 on: December 06, 2013, 07:46:18 pm »
It wasent curing as too many coats too soon so tile still absorbing water.

Mark

Mark

Your on the right track!  I want to know why? The back of the bottle says a second coat can be applied within 2 hours as do most impregnating sealers

Kev Martin
Tiling Logistics Ltd
"Natural Stone Restoration Specialists" Tel: 0121 773 9129
www.tilinglogistics.co.uk | www.marblelife.co.uk  http://stores.ebay.co.uk/Tiling-Logistics

Phil @ Extreme Clean

  • Posts: 1296
Re: Sealers - How Many Coats - Prize Question
« Reply #16 on: December 06, 2013, 07:57:14 pm »
The 2nd coat was acting as a 1st coat because of the grouting and so he thought was ok to apply coat 3 1-2 hour after coat 2 were really coat 2 should of been left for 24 hours after sealing the grout then coat 3 after then 4 and 5, 2 hours between thats my theory after what you say but i havent got a clue lol as i'm not a hard floor cleaner.
Extreme Clean
Carpets to DRY For!!!!!

www.bookaquote.co.uk

Roger Oakley

Re: Sealers - How Many Coats - Prize Question
« Reply #17 on: December 06, 2013, 08:32:03 pm »
It wasent curing as too many coats too soon so tile still absorbing water.

Mark

Mark

Your on the right track!  I want to know why? The back of the bottle says a second coat can be applied within 2 hours as do most impregnating sealers

Kev Martin
Tiling Logistics Ltd

Temperature's to low so sealer not curing/drying enough between coats?

Phil @ Extreme Clean

  • Posts: 1296
Re: Sealers - How Many Coats - Prize Question
« Reply #18 on: December 06, 2013, 08:36:37 pm »
Grouting should of been done after sealing and bead check then grout then add a final coat over grout  ??? ??? ???
Extreme Clean
Carpets to DRY For!!!!!

www.bookaquote.co.uk

Jamie Pearson

  • Posts: 3407
Re: Sealers - How Many Coats - Prize Question
« Reply #19 on: December 06, 2013, 10:59:07 pm »
He had the paint pad upside down so instead of applying sealer it was taking it off.