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FAQs
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- Can I use Pavestone pavers over my old concrete
patio?
A: As long as your existing patio is in good condition.
There can be cracks in the old patio as long as it is still level and has
not “heaved” up in any areas. Concrete makes a great base for our
products. You will still need to retain the border of your project. Since
you will not be able to stake in an edge restraint around it, a heave-duty
silicon based construction adhesive is recommended. Use this on the bottom
of your border stones only to adhere it directly to the existing concrete.
IMPORTANT NOTE: Any time you are overlaying an existing patio it is
important to recognize how much room you have between the existing patio
and the threshold of your door. Our typical paver is 2 3/8 inches tall.
There has to be enough room for you to overlay the patio without raising
the new level above your door’s threshold. If a typical paving stone will
not work for you, check with your local Pavestone dealer about ordering
one of Pavestone’s thinner overlay pavers.
- Are Pavestone pavers strong enough to drive a car
on?
A: Yes, our pavers exceed the industry standards for
strength and low moisture absorption. The industry standard for concrete
pavers is a minimum of 8,000 psi. and typically the Pavestone pavers test
between 10,000 to 11,000 psi. That is approximately 3 times stronger than
poured concrete. Also our absorption rate is in the 2% to 3% range and the
industry requires 5% or less. Compared to regular poured concrete that has
an absorption rate of about 17%, concrete pavers will not absorb much
moisture or be damaged by freeze thaw cycles.
- Wouldn’t the patio be stronger if I added cement
into the cracks?
A: Actually, one of the benefits of using sand is that
it allows the patio to flex with ground movement. When you place cement
between the cracks of anything it becomes a single ridge slab that will
crack due to ground movement. Also, if you had spilled cement over onto
your pavers and didn’t clean it off right away, it could permanently stain
your pavers. So you would be sacrificing the flexibility and longevity of
a mortarless system by placing cement between the pavers plus the
possibility of staining them.
- How do I replace a pave stone?
A: One of the benefits of a project built with Pavestone
pavers is the ability to replace a paver should it become permanently
stained. Simply take a flat head screwdriver and insert it between stones
and pry the soiled stone out. If the installation is mature, it may be
necessary to break the stone and then pry it out.
- Should I use a sealer on my pavers?
A: Normally the reason for using a sealer is to prevent
the concrete from absorbing to much water and the freeze thaw cycling can
crack or spauld (when the top layer of your concrete peals off) your
concrete. But Pavestone pavers are manufactured to a high density standard
that allows no more than5% water absorption which will prevent the problem
with freeze thaw. The only reason for using a sealer on pavers is to
deepen the color. If you choose to use a sealer just remember that you
will be setting yourself up for maintenance because they will have to be
resealed once every one to two years depending on the traffic.
- What are the advantages of having a retaining wall
versus using landscape timbers?
A: Our Windsor retaining wall units come in many
different colors to blend with your home’s exterior. And unlike any
products made from wood which rot, warp, and become insect and rodent
motels, our products are made to be durable, flexible, and timeless.
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