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Default Prevent weeds between patio slabs

I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions? The gaps
are fairly consistent, but not perfect I'm sure. A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.
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Default Prevent weeds between patio slabs

wrote

I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions?


Yes, and you are in luck. Very cheap one. If you put something impervious
in there and you live where it freezes in winter, you will end up with
cracked slabs. (If you rent, this will cost you a bundle!). There is
likely a good reason why they built it with the gaps.

Hie thee to a grocery store. Get a 5 gallon jug of vinegar. Type doesnt
matter so get what's cheapest (Asian grocery type places often have the
larger bottles for very little money). Pour this straight on all the weeds
and in the cracks. Be aware this will kill grass in the yard to so dont go
too close or pour too heavy the first time (rain runoff). It doesnt last
forever so if you happen to hit a little of the grass, it will come back in
a few months (AKA, no permanent damage). Safe for pets, birds, etc.

I use this method on my cracked driveway and have for years.


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Default Prevent weeds between patio slabs

wrote:
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions? The gaps
are fairly consistent, but not perfect I'm sure. A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.


We have similar setup next to our patio, but installed over landscape
cloth and with larger river rock between the pavers. It has been in
place about 8 years. It evenually accumulates some soil here because
the lawn-care folks use the blower in the wrong direction (condo). If I
had it to do over again, I would have graded the soil a bit more so that
blown-in soil can wash out or be hosed out. We get almost no weed
growth, in spite of having a fair amount of soil now on top of the
landscape cloth. Other areas where we put only rock on top of landscape
cloth have no weed growth, but they are mainly shady areas where nothing
was growing in the first place (reason for putting in rock). We have
our grill on the pavers, and it isn't a problem to move it if we need
to. We have about 6" space between pavers. Smaller rock would probably
work but we like being able to blow it off without dislodging the stone.
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Default Prevent weeds between patio slabs

on 5/24/2009 11:44 AM (ET) cshenk wrote the following:
wrote


I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions?


Yes, and you are in luck. Very cheap one. If you put something impervious
in there and you live where it freezes in winter, you will end up with
cracked slabs. (If you rent, this will cost you a bundle!). There is
likely a good reason why they built it with the gaps.

Hie thee to a grocery store. Get a 5 gallon jug of vinegar. Type doesnt
matter so get what's cheapest (Asian grocery type places often have the
larger bottles for very little money). Pour this straight on all the weeds
and in the cracks. Be aware this will kill grass in the yard to so dont go
too close or pour too heavy the first time (rain runoff). It doesnt last
forever so if you happen to hit a little of the grass, it will come back in
a few months (AKA, no permanent damage). Safe for pets, birds, etc.

I use this method on my cracked driveway and have for years.


On the opposite end of the Ph spectrum, muriatic acid works as well.
It's where I dump my used acid for cleaning the pool filter fingers.
Once the vegetation has been killed, sprinkle Preen in the cracks to
prevent new weeds from seeding.

--

Bill
In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @


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Default Prevent weeds between patio slabs

wrote in message
...
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions? The gaps
are fairly consistent, but not perfect I'm sure. A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.




A spray bottle of Roundup will do the job, and for less work and money.

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Default Prevent weeds between patio slabs

On Sun, 24 May 2009 09:24:46 -0400, LouB wrote:

wrote:
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions? The gaps
are fairly consistent, but not perfect I'm sure. A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.


Where do you live?
If it freezes in winter forget solid stuff.

There are some powerful chemicals out there.

Lou

Rock salt.
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Default Prevent weeds between patio slabs

On May 24, 6:21*am, wrote:
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. *There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. *There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. *Something like concrete would be nice, but
I don't think that's the best solution. *Any suggestions? *The gaps
are fairly consistent, but not perfect I'm sure. *A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.


My guess is that the original design / construction of your patio
included redwood 2x2's or 2x4's as "slab separators".

A simple, easy way to frame the slabs. But once the wood
deteriorates / rots out you've got a problem to deal with.

My in-laws had a patio suffering the start of this problem (the legs
of patio chairs were starting to punch through the weak spots)

but they sold the house before I had to deal with the problem.


It depends on how much effort or $'s you;re willing to commit.

You could cut some redwood (heartwood only) to fit but the fit wouldnt
be perfect and dirt would still accumulate.

The gaps are too wide for a flexible self leveling sealant (I use a
SIKA product, Sikaflex Self-Leveling Sealant) .
But perhaps a combination of undersized wood and the flexible
sealant.

Per another post ........ RoundUp & a spray bottle will do the
job.

cheers
Bob
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Default Prevent weeds between patio slabs

On Sun, 24 May 2009 12:46:19 -0600, "Bob M." wrote:

wrote in message
...
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions? The gaps
are fairly consistent, but not perfect I'm sure. A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.




A spray bottle of Roundup will do the job, and for less work and money.


And illegal here now. About the only "herbicide" it is legal to use is
corn gluten.
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Default Prevent weeds between patio slabs

On Sun, 24 May 2009 14:12:53 -0400, against all advice, something
compelled willshak , to say:

On the opposite end of the Ph spectrum, muriatic acid works as well.



Ooh, I'll bet.

I use that to adjust the ph in my hot tub. It's evil. I wear
eye protection when I handle it, and I won't do it after a couple
of drinks. That's how much I respect that ****.

Hell, you open the container, and *smoke* comes out.

I'll try the vinegar, which is an acid as well, but you eat it,
it does not eat you.




--

Don't worry about people stealing an idea. If it's original, you will
have to ram it down their throats.
- Howard Aiken


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Default Prevent weeds between patio slabs


"willshak" wrote in message
...
on 5/24/2009 11:44 AM (ET) cshenk wrote the following:
wrote


I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. Something like concrete would be nice, but
I don't think that's the best solution. Any suggestions?


Yes, and you are in luck. Very cheap one. If you put something
impervious in there and you live where it freezes in winter, you will end
up with cracked slabs. (If you rent, this will cost you a bundle!).
There is likely a good reason why they built it with the gaps.

Hie thee to a grocery store. Get a 5 gallon jug of vinegar. Type doesnt
matter so get what's cheapest (Asian grocery type places often have the
larger bottles for very little money). Pour this straight on all the
weeds and in the cracks. Be aware this will kill grass in the yard to so
dont go too close or pour too heavy the first time (rain runoff). It
doesnt last forever so if you happen to hit a little of the grass, it
will come back in a few months (AKA, no permanent damage). Safe for
pets, birds, etc.

I use this method on my cracked driveway and have for years.


On the opposite end of the Ph spectrum, muriatic acid works as well.
snip


Vinegar and acid are on opposite sides? Where did you come up with that
one?

http://staff.jccc.net/PDECELL/chemistry/phscale.html

od


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Default Prevent weeds between patio slabs

On Mon, 25 May 2009 02:41:08 GMT, against all advice, something
compelled "olddog" , to say:


"willshak" wrote in message
...
on 5/24/2009 11:44 AM (ET) cshenk wrote the following:
wrote

On the opposite end of the Ph spectrum, muriatic acid works as well.
snip


Vinegar and acid are on opposite sides? Where did you come up with that
one?




They are not on opposite sides, but they are a *long* ways away
from each other. It's like the difference between a bicycle and
an F1 race car. They are both transportation, but one is a lot
more intense than the other.




--

Don't worry about people stealing an idea. If it's original, you will
have to ram it down their throats.
- Howard Aiken
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They are not on opposite sides, but they are a *long* ways away
from each other. It's like the difference between a bicycle and
an F1 race car. They are both transportation, but one is a lot
more intense than the other.

snip


Muriatic acid has a ph of about -.05

Vinegar is about 2.

The "opposite" would be a "base" not an acid. Or the other side of "pure
water". Basic chemistry.

od


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Default Prevent weeds between patio slabs

Red Green wrote:

wrote in :

I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).


-snip-

Hve you tried Ortho® GroundClear® Vegetation Killer?

http://www.scotts.com/smg/catalog/pr...70&id=cat50008

I used it when it was called Ortho Triox vegetation killer and personal
experience was it really works. It kills what's there and like
steralizes the soil or something.



Still works in the new formulation/name. I've used it for 5-6 yrs
on my paver patio. I'm in NY- so I put it on in mid may and have no
weeds for the summer.

The OP wants something to fill in the gap, though.
Without seeing it, I suspect it is, as someone else suggested the
spaces where wooden forms used to be. I'd probably buy some trex
or other 'plastic' decking and rip it to fill the gaps. Lay them in
loosely, spike with landscape spikes- fill the remaining gap with
stone dust- and treat with groundclear yearly.

.. . . . .or I'd just treat with Groundclear.

Jim


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Default Prevent weeds between patio slabs

On May 24, 8:21*am, wrote:
I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. *There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. *There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).

What I really want to do is dig the gravel out and put something
impervious in it's place. *Something like concrete would be nice, but
I don't think that's the best solution. *Any suggestions? *The gaps
are fairly consistent, but not perfect I'm sure. *A type of liquid
rubber, or anything else that can be poured in and allowed to set
would be ideal, but I have no idea what is available.


The easiest and best way is Roundup and a Propane Weed burner when
they go brown. Your way is to much work, and weeds will grow back.
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Default Prevent weeds between patio slabs

Jim Elbrecht wrote in
:

Red Green wrote:

wrote in
:

I have these concrete slabs on my patio, each about 3 feet square,
arranged in a matrix. There is a gap between the slabs 1-2 inches
wide, and weeds like to grow through the gaps like mad. There is
gravel there now, but soil has started accumulating and it's not
keeping the weeds out (this is how it was when I moved in).


-snip-

Hve you tried Ortho® GroundClear® Vegetation Killer?

http://www.scotts.com/smg/catalog/pr...jsp?navAction=
jump&itemId=cat50070&id=cat50008

I used it when it was called Ortho Triox vegetation killer and
personal experience was it really works. It kills what's there and
like steralizes the soil or something.



Still works in the new formulation/name. I've used it for 5-6 yrs
on my paver patio. I'm in NY- so I put it on in mid may and have no
weeds for the summer.

The OP wants something to fill in the gap, though.
Without seeing it, I suspect it is, as someone else suggested the
spaces where wooden forms used to be. I'd probably buy some trex
or other 'plastic' decking and rip it to fill the gaps. Lay them in
loosely, spike with landscape spikes- fill the remaining gap with
stone dust- and treat with groundclear yearly.

. . . . .or I'd just treat with Groundclear.

Jim


I read it as the only reason he wanted to fill the gap was because of the
weed issue. The gaps were part of the design.
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Default Prevent weeds between patio slabs


"rss1" wrote in message
...
On May 25, 8:51 am, Ernie Willson wrote:
Just wondering...Where is "here" Is it Ontario Canada?

Thanks,
EJ in NJ



wrote:
On Sun, 24 May 2009 12:46:19 -0600, "Bob M." wrote:


Yes I belive Ontario is the "here" he refers to. Unless your a
farmer or a golf club, no chemical attacts on weeds
allowed. The parks around my house are of sea of white dandilions,
waiting for the wind. I understand
we're allowed to bring it over the boarder from the USA, just not
allowed to apply it. Hummmm.
Personally, I'm a weed burner guy for the patio stones, with the hose
handy in-case the landscaping
ties get involved.
.....Rob

+++++++++++++++++++++++++++++++++++++++++++++

The city of Austin put a note in the water bill asking citizens to stop
using stuff like weed-be-gone and weed-and-feed because of the city water
supply.

Makes sense to me. Agriculture is one of the biggest polluters in the world.
We don't need everyone using that stuff. Companies like Ortho and Scotts
could care less what they do to our water. Assholes.

od

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