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ray l

  • Posts: 167
sand or seal first
« on: May 09, 2010, 08:57:57 pm »
hi and thanks in advance

Just p.washed a customers brick drive .

he has just asked if i would resand it for him and he is thinking of getting it sealed

so do i seal the brick and then sand , or does it matter

when you re-sand do you add weed killer or leave that for another time.

once again thanks in advance

ray

drive surgeon

  • Posts: 2812
Re: sand or seal first
« Reply #1 on: May 09, 2010, 09:49:39 pm »
the whole idea of sealing the surface and joints is too harden the sand to stop weeds and grass growing. i dont see much point in sealing the blocks first then sanding the joints, it defeats the object and very costly.

dandandan

  • Posts: 424
Re: sand or seal first
« Reply #2 on: May 11, 2010, 07:08:16 am »
You are better putting weedkiller down at least a week before you clean,if not after cleaning but before sanding.You seal after sanding to harden the joints but make sure you have had a good period of sunny weather and all the damp is out or you will have a headache.I sealed one last year,gave it a quick first coat of sealer,then sanded it as the sand flew across the smooth surface and down the joints,i then gave it another 2 coats of sealer.If i were you i would not start sealing till we hit the summer and the ground is totally dried out or you will be back in a month trying to get the bloom out.Good luck,Dan

gwrightson

  • Posts: 3617
Re: sand or seal first
« Reply #3 on: May 11, 2010, 04:29:57 pm »
Just a thought ,
Please tell me i would be doing the wrong thing if i tried .or visa versa

If you mixed salt with the sand , would this inhibit some weed growth, or would the salt mark the paving/block work ? 

Geoff
who ever said dont knock before u try ,i never tried dog crap but i know i wouldnt like  haha

ray l

  • Posts: 167
Re: sand or seal first
« Reply #4 on: May 11, 2010, 09:42:52 pm »
Thanks

I had been looking at an acyrilic sealer for the bricks.

What is used for sealing the sand

Thanks again

Ray

drive surgeon

  • Posts: 2812
Re: sand or seal first
« Reply #5 on: May 11, 2010, 09:47:13 pm »
you use the same sealer for both. you sand the joints neatly and then use a roller or sprayer to apply the sealer. its soaks into the sand and makes the sand go hard to stop weeds.  i would be very carefull doing it tho as you can get comebacks.

gwrightson

  • Posts: 3617
Re: sand or seal first
« Reply #6 on: May 12, 2010, 04:18:01 pm »
Just a thought ,
Please tell me i would be doing the wrong thing if i tried .or visa versa

If you mixed salt with the sand , would this inhibit some weed growth, or would the salt mark the paving/block work ?

Geoff

So nobody knows then!!! or just doesnt want to answer!!!!

geoff
who ever said dont knock before u try ,i never tried dog crap but i know i wouldnt like  haha

Alan McTernan

  • Posts: 574
Re: sand or seal first
« Reply #7 on: May 12, 2010, 06:04:33 pm »
Geoff have never tried it or even thought about it!!  :)
How would you mix the salt and sand?
Doesnt salt desolve when it gets wet so that would mean that if you mixed half and half you would loose half the joint filler when it rains? ???

JSMC

  • Posts: 3511
Re: sand or seal first
« Reply #8 on: May 12, 2010, 09:09:24 pm »
i have been told wash then sand about 1-2 days later

AC Pressure

  • Posts: 138
Re: sand or seal first
« Reply #9 on: May 12, 2010, 09:27:21 pm »
The salt would kill any snails as they cross the drive  ;D

That is until it is dissolved after the first rainfall  ::)

Blast Off Stoke

  • Posts: 119
Re: sand or seal first
« Reply #10 on: May 12, 2010, 09:57:35 pm »
Ray I -
if you dont what you are doing with sealing then be careful, it can come back to haunt you.Im in my second year doing this and Im still undecided whether to do sealing or not.
Theres the weather to consider and then theres the efflorescence although this should not be a problem with a drive thats been down a month

ray l

  • Posts: 167
Re: sand or seal first
« Reply #11 on: May 12, 2010, 10:22:28 pm »
is efflorescence what comes off new brick. (this drive has been down about 10 yr)

Blast Off Stoke

  • Posts: 119
Re: sand or seal first
« Reply #12 on: May 12, 2010, 10:31:06 pm »
yeah its the salts coming out of the bricks

AC Pressure

  • Posts: 138
Re: sand or seal first
« Reply #13 on: May 12, 2010, 11:32:04 pm »
I understand that you can make good money sealing drives however you have to get it right first time i personally will not seal as the conditions have to be right and it really is too much hassle.

dandandan

  • Posts: 424
Re: sand or seal first
« Reply #14 on: May 14, 2010, 09:57:17 am »
i have been told wash then sand about 1-2 days later

All depends on weather.baking hot you can sand next day.i`ve waited 2 weeks to sand jobs.it has to be bone dry so sand falls to bottom of block.

ray l

  • Posts: 167
Re: sand or seal first
« Reply #15 on: May 15, 2010, 09:52:17 pm »
Is there anything to remove efflorescence from brick

JSMC

  • Posts: 3511
Re: sand or seal first
« Reply #16 on: May 17, 2010, 10:19:21 pm »
one of this lances with flame on end like guys on roads use be ideal fro drying out

karygate

  • Posts: 694
Re: sand or seal first
« Reply #17 on: May 18, 2010, 05:37:17 am »
we mix salt with the sand and it seems to keep the weeds off a lot better.
gary

AC Pressure

  • Posts: 138
Re: sand or seal first
« Reply #18 on: May 18, 2010, 08:47:05 am »
If you have done a very good job and removed all weeds while washing with yout Turbo Nozzle all you have to do is explain to the customer that weeds will re-appear and they must be dealt with right away either by pulling out or using a spot weedkiller.  :D

gwrightson

  • Posts: 3617
Re: sand or seal first
« Reply #19 on: May 18, 2010, 03:41:43 pm »
Thanks gary,

thats all i wanted to know , better late than never :)

geoff
who ever said dont knock before u try ,i never tried dog crap but i know i wouldnt like  haha