I would like this spring to fix my driveway interlock as in between stoones
I see lots of grass growing.
Question I have are:
1. Do I have to use elctric/gas preassure cleaner to get rid of grass and
other debris between interlock.
2. What type of sand should I use to fill up gaps in between stones. I do
know that there is a special interlock sand, but there is on for 4$/20Kg
band and there is another for 16$/bag. Homedepot staff was usless there
explaining. I did hear that more expensive sand gets very hard, but now sure
about that. Anyone had experiece in this?
3. Is it a good idea to seal interlock after fixing it? I am not sure how to
do that? Just spray with some special liquid?
YA RIGHT, special interlock sand, I have a bridge I would like to sell you.
Yes there are different grades of sand, but intelock stone sand. Nope not
The more expensive is usually cleaner and finer, that is what makes it
but there is on for 4$/20Kg
If you want the sand to get hard just sweep it in and water it. A light
mixture of cement say 1 part to 4 of sand will make it harden up. This will
effect how the drive way drains so it may not be a good idea. If you
somewhere it freezes definately not a good idea, IO
If you have grass in-between the stones you need to kill the grass first. I
have seen bermuda grass roots 10 feet deep. I would start out with a flame
thrower, humor again. Get one of those big torches from Harbor Freight, like
<$30.00. Burn everything then, then dig at the cracks with a thin putty
knife pull out all the soil you can. Then use Round Up or your favorite
grass killer, several times. This will take several applications and you may
be able to finish by fall. Replacing the sand and or use of special liquid
before the grass is dead is a waste of time.
I wanted a natural desert landscape in my back yard. I burned the grass
every other month for over a year before I put down the stone. Still looks
good and no weeds or grass.
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