Driveway discouloration - Driveway discouloration

strat07 · Post: # 25366Post **strat07** Fri Jan 18, 2008 12:37 pm

Hi everyone, I have a block paved driveway charcoal and brindle in colour which was laid roughly 3 years ago.Last year i got a resin coating put on which looked fantstic for the first few months.Then it started to turn light grey in patches(not eff) then after a few more months the whole drive was coverd in this light grey coating to the point where you cant see the colour of the paving.Its as if the resin has had a reaction with the block paving?the resin does crumble away but only in small areas.I have tried jet washers/scrubbing but cant remove the resin even contractors dont want to know(not enough profit for the effort to take it off maybe) ive heard only bad things about brick acid but it might be my last resort.Is there anyone out there who can help, any input would be much appreciated.

Fri Jan 18, 2008 5:22 pm

what exactly was the resin coating they put on it?
LLL?

strat07 · Post: # 25382Post **strat07** Sat Jan 19, 2008 12:32 pm

Truth is i dont know it was done by The Driveway Doctor franchise group (a right bunch of cowboys) they were very vague not even giving us a technical spec only saying its a resin.

Post: # 25387Post **Tony McC** Sat Jan 19, 2008 2:02 pm

Oh dear! Another clown that has sent the very same question in by email, thereby doubling the amount of work I have to plough through, despite it stating quite explicitly in the T&C's not to do so.

RAPressureWashing · Sun Jan 20, 2008 6:27 pm

Only just seen this post, sounds like you have been ripped off, have heard about this franchise, won't say anymore.
Anyway do you know what the resin is, acrylic or poly?

Brick acid won't get this off so don't even go there.

strat07 · Post: # 25426Post **strat07** Mon Jan 21, 2008 9:24 am

I think it was poly?(Wet Look) sorry to be so vague.

RAPressureWashing · Mon Jan 21, 2008 3:04 pm

strat07 wrote:I think it was poly?(Wet Look) sorry to be so vague.

That don't help sorry, as acrylic can have the "gloss wet look" also.
Give me a day or so, I'll try to find out what they use as a sealer and we can see what will remove it, will put my Sherlock Holmes hat on.

strat07 · Post: # 25429Post **strat07** Mon Jan 21, 2008 3:41 pm

Have been trying to get in contact with The Drive Doctor i have left a message asking for the name of the rasin.On the website it says they use "betacoat".

Mon Jan 21, 2008 4:37 pm

i am very wary of anyone not qualified calling themselves "summat doctor"
i had a clown round to fix my tv called "tv doctor" he took the back off and left allsorts all over the living room before leaving with a cheque muttering about "must order parts bla bla bla"
the next time i saw him he was delivering milk,so i collared him.
btw roger my injun sandstone patio has gone bright green is bleach and water enough to clean it ?
cheers LLL

RAPressureWashing · Mon Jan 21, 2008 4:48 pm

strat07 wrote:Have been trying to get in contact with The Drive Doctor i have left a message asking for the name of the rasin.On the website it says they use "betacoat".

Had a look at their web-site, betacoat is what they say they use, it's a "Specialist Pre-Polymer Urethanes" so a polyurethane. It is going to be a pain to remove, but not impossible. I understand you have spoken to Tensid, and Richard gave you some advice, I too would have recomended eZee strip for this if you are going to do this yourself. It will be a messy job though. Tried a search for betacoat.com and it don't seem to exsist? so that's a worry. Are "Drive Doctor" still going? I thought they had gone out of business. Let me know if I can be of anymore help.

RAPressureWashing · Mon Jan 21, 2008 4:53 pm

lutonlagerlout wrote:btw roger my injun sandstone patio has gone bright green is bleach and water enough to clean it ?
cheers LLL

Yes but not house-hold bleach, what you need is Sodium Hypochlorite aka chlorine bleach, try to get 12-14% it's what is used in swimming pools. If you can get hold of some let me know and I'll tell you how to "mix it". You do have to be careful as this stuff does burn the skin etc.

Mon Jan 21, 2008 5:54 pm

would i get this from my local swimming pool supply shop roger?
ty
LLL

Stuarty · Post: # 25439Post **Stuarty** Mon Jan 21, 2008 6:55 pm

Can also get copious amounts of Sodium Hypochlorite from dairy farms

RAPressureWashing · Tue Jan 22, 2008 8:29 am

lutonlagerlout wrote:would i get this from my local swimming pool supply shop roger?
ty
LLL

Yes, but will a bit more expensive from those places, I get my from a chemical supply I pay around Â£7.50 for 10 lts. You are not to far from me, let me know how big the area is etc, and I'll price it for me to do it for you if you want, saves you the hassle?

Post: # 25444Post **Tony McC** Tue Jan 22, 2008 3:50 pm

Roger: why not household bleach for algae? It's always worked for me, with no visible problems or undesirable aftereffects