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Posted: Fri Jun 22, 2012 7:05 pm
by martyd
I know its got a bad name but it was very cheap, left in crates outside so uneven discolouring has taken place, I have seen pictures were enhancer has been used and a pretty good recovery is achieved,
can I ask for some recommendation's please? I am near Warrington so if any one knows a good product with local supplier that would be cool
Posted: Fri Jun 22, 2012 8:17 pm
by Tony McC
This page isn't quite ready for full publication, but you could have a sneaky look...
The Curse of Black Limestone
...but don't tell anyone you've seen it!
Posted: Fri Jun 22, 2012 8:32 pm
by mickg
the link gives a server not found error
Posted: Fri Jun 22, 2012 9:08 pm
by martyd
yep..... bad link the colour of this 50m is all over the shop, creamy edges greys blacks will i get an acceptable conformity after treatment?
Posted: Sat Jun 23, 2012 12:33 am
by k13wjd
my 20.7m pack ( 22m2 after i had a few words with my supplier) of black limestone seems fine, fairly even, with some iron/fools gold deposits present. only issue i had was with one of the big flags, 10mm fall over the 600mm seemed too much. changed without question.
I'll be sealing mine as soon as they are pointed, im thinking lime, supplier was trying to flog me geocrap fix.....
Posted: Sat Jun 23, 2012 9:51 am
by Tony McC
My mistake - put in two lots of http for some reason. here's the correct link...
The Curse of Black Limestone
Posted: Sat Jun 23, 2012 10:51 am
by mickg
nice one Tony, very detailed and descriptive explaining the problems with black limestone paving
Posted: Sat Jun 23, 2012 12:07 pm
by martyd
a definitive guide ,,,,thanks anyone had dealings with this stuff http://www.nexusprosystems.co.uk/ there from preston?
Posted: Sun Jun 24, 2012 2:03 am
by Carberry
Links for close up photos don't work. Good to see tests done comparing the various products instead of just anecdotal evidence.
Posted: Sun Jun 24, 2012 9:40 am
by London Stone Paving
Good article, very interesting stuff. Just out of interest why did LTP pull out?
Also drytreat wasnt included which is one of the best out there. We are currently doing some testing on our display with dry treat enhance so I will let you know the results
Posted: Sun Jun 24, 2012 10:41 am
by Tony McC
LTP was 'banned' by the client after she saw the big "dangerous to aquatic life" sign on the tin. I'm fairly certain some of the other products are equally iffy when it comes to pond life, but she didn't want us to use the LTP anywhere on her site, so that meant withdrawing it from the trials and deleting it from the list of potentials for when we eventually carry out the sealing work.
DryTreat was considered initially, but I couldn't get a reply from my contact and the tiny bit of stuff I had left in a bottle in the shed had no discernible effect on a sett when I tried it at home. Now, whether this was because the stuff was old/cured/contaminated/summat else is unsure, but with 14 products already on test, and dozens of others already excluded, it wasn't a major concern that DryTreat missed out.
I'm really keen to repeat this exercise with some imported sandstones, native sandstones and a few granites over the course of this summer. If anyone has suggestions for what should or shouldn't be included, please let me know.
As for the broken links, I did warn that the page wasn't quite finished, but I've fixed those links now, so they should work. I'm just waiting for photies of untreated, unfaded black limestone to arrive. Understandably, most of the suppliers are reluctant to have their stone shown on a page like that, so I'm hoping one particular company will provide me with 'anonymous' images later this week.
Posted: Sun Jun 24, 2012 12:59 pm
by Carberry
Tony McC wrote:As for the broken links, I did warn that the page wasn't quite finished, but I've fixed those links now, so they should work.
I know it was unfinished, was just making sure you knew about the broken links 
Only suggestion I can think of is perhaps include a budget sealant in your comparison? like the hated thompsons
Posted: Sun Jun 24, 2012 4:52 pm
by k13wjd
any perhaps a price comparison in there too ?
i know i'll be looking for sealer in the next few weeks, so this is a great topic for me !
Posted: Tue Jun 26, 2012 10:47 pm
by London Stone Paving
Dry treat offer a 15 year guarantee if installed by a registered installer (obviously you'll be doing it yourself but its not rocket science and it shows great confidence in the product). We have been using it for a while now and it even stops efforessence coming through.
Steve