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Interlocking means that each paver is disabled from moving
as an independent unit. It is the system that makes them interlocking
concrete pavers, not necessarily the shape. When installed properly, the
combination of the pavers, bedding sand, edge restraint and joint sand causes
them to interlock, allowing them to work as a unified, flexible pavement. Interlocking
pavers are manufactured in a variety of designs and patterns that fit and
‘interlock’ together, without the use of mortar!
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You will find that many of the larger paver manufacturers offer a lifetime warranty. However, pavers can
be so easily repaired and replaced, making them very durable!
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Ensuring that your pavers do not move or shift really lies in using a good
edge restraint. If you live in a hotter region, be sure to use a concrete edge
restraint, rather a plastic type, which may buckle under extreme heat.
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An interlocking paver surface is a rigid yet flexible one! The locking
together of the pavers is what allows heavy loads to be spread over a wider
area; it is the key to a stronger pavements. They allow the dispersement of
heavy loads
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Weeds grow from windblown seeds that fall onto pavers and germinate down into the joints. They do not grow up from
below, so using a landscape fabric or plastic sheeting is unnecessary. Weeds
can be removed by hand, or with a biodegradable herbicide, such as Roundup®.
Sealers or sand binders can be useful in helping prevent weed growth and ants.
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Interlocking concrete paving stones represent a system wherein each paver is set in sand.
This makes the system somewhat flexible so will not crack when the earth shifts
nor with the changes in temperature. Bricks usually are set in mortar and so
are not flexible. They also eliminate cracking normal to conventional asphalt and
concrete pavements.
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Patterned concrete pavements are merely slabs of concrete that are embossed with a
pattern. Therefore, they are prone to the same problems with freeze/thaw
cycles, namely cracking and spalling. Most manufactures will GUARANTEE against cracking or spalling; you cannot obtain a similar
guarantee with stamped concrete. Stamped concrete requires expansion joints
every 10 feet or so, which are very distracting in some patterns.Patterned concrete pavements don't allow
access to underground utilities or the ability to make repairs, at virtually
the same price per square foot installed.
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While not the preferred method, pavers can be laid on top of existing concrete.
Though, the grade will be raised by about 2 3/8" to 3" (the thickness
of just the pavers or the pavers plus the bedding sand). This is particularly
critical if any doorways are involved. We will determine if your project can be installed in this manner
or not.
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You do not have to wait at all. You can use your paving stone driveway right away.
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Sealing your pavers is not necessary, it is
however recommended! The reasons for this are that a sealed paver surface is
much easier to clean, or may even prevent staining. Also, sealing will enhance
and maintain your brightly colored pavers. Lastly, sealing your pavers will
prevent the growth of weeds in between your joints.
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There are a number of different cleaning solutions available on the market.
Whether it is an oil stain, grease and grime, rust, moss and algae, or rubber
marks, there is a product suitable for all stains.
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You are probably referring to the efflorescence, a natural and common occurrence in many concrete and clay brick products. Efflorescence is the result of natural occurring mineral salts found in the materials used in the production of pavers. When pavers become wet and absorb moisture the mineral salts are dissolved and are drawn to the surface of the paver with the moisture as it evaporates. This is not a product defect or harmful to the pavers and will usually weather away with time. We recommend that you wait 6 months to a year for it to dissipate; then you can get your pavers sealed.
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