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FAQ – Gator Dust

Can the sand/dust be used around a salt-water pool?

Yes

Can the dust/sand be used on a vertical surface?

It is not intended to be used on walls but for small areas you can Mix the Gator Dust / Sand with water to about the consistency of cookie dough. Mist the vertical joint with water and trowel the mixed dust/sand into the joint. When doing this you have about 20 minutes open time before the material becomes unmanageable

Will de-icing salt hurt Polymeric Sand or Dust?

If the Sand or Dust is properly cured the de-icing salt will not hurt it.

How should I proceed if I find I have under watered the sand or dust?

This will depend how long ago that it was first activated. Let your sprinkler run on it for about 1 hour. If there is a crust on the top of the sand or dust make small holes in the joints in order to allow the water to seep in. If it doesn’t harden after a few days of good weather you will have to remove the sand/dust and redo it.

Is Alliance Polymeric sand synthetic or organic?

Our product contains oil-based polymers (synthetic) that are more durable and have better erosion resistance than organics. Our polymeric sands and Gator Dust do not contain any cement.

How long should you wait before walking or driving on the pavers?

As long as it is dry, it can be driven or walked on in 24 hours.

How long will the sand/dust last before it needs to be replaced?

For Alliance polymeric sand and Dust – If the proper installation procedure is followed in terms of paver installation according to the ICPI and the Polymeric Sand installation according to Alliance, then 10 years. The area needs to be maintained and cleaned from time to time dirt should not be allowed to accumulate on the joints.

If there is a heavy rain shortly after applying Gator Dust, how will it affect the application?

You will need to be patient and give it time to dry out in order to evaluate, if it has not washed out of the joint and is hardening everything will probably be all right
Note: in our instructions we recommend 24 hours no rain.

What is the minimum thickness of a paver / stone for the sand / dust to be effective?

It needs to be installed the full depth of the paver or stone.

What can be used to clean moss, mold & mildew from the joints?

Normally a pressure washer – if the moss or mildew has been there for a long time it may have damaged the sand– Remove the damaged sand where it can be readily removed using the pressure washer, allow the area to dry and replace missing sand and activate as per our directions. Note: Use the Alliance Gator M3 product as part of your home maintenance program. It will help prevent the growth of Moss, Mold & Mildew from returning.

Why does the sand / dust need to be 1/8” below the top of the paver / stone?

The material should not be walked on, or driven on – it needs to be protected by the stone or paver so that it does not become damaged.

Is there a product that can be used to color the sand / dust?

No. We have not done any testing on adding any colorant. We do not recommend doing this because the color additive might not be compatible with our Polymeric Sand. The colorant may also stain your pavers or stone. The color of our sand and dust are the natural color of the aggregate in the product.

Can sand be applied on top of Gator Dust in order to get the look of sand in wider joints?

Yes but it needs to be carefully activated with water – because with a thin layer of sand the glue Can be easily washed away – experimentation on watering is necessary test first. Do a small test Area to determine if the results are to your satisfaction.

Why do some areas harden and others stay soft?

Hard means that the area is dry – soft means that the area is still damp or wet. The reason is that some areas that are staying wet because they are not draining as fast, as the dry areas.

Note: Polymeric sand is not a mortar and it is designed to transition from hard and dry to soft when wet, this is how it is able to be self-healing.

Can the joint be partially filled with regular sand?

No this is very bad to do; it will cause the joint surface to peel and to flake off and voids any warranty.

Which sand is the strongest / hardest?

Strongest and hardest are not necessarily the most important requirements of polymeric sand. Polymeric sand is not measured by strength there is no official test for the strength test for polymeric sand. If a polymeric sand is too hard, it can also be too brittle causing cracking from ground movement. Our Gator Maxx and our Gator XP sands are our most resilient. Note: Polymeric sand is intended to be a cohesive joint material and do three things: help prevent weeds, insects and erosion.

What causes the white residue on pavers and what can be used to remove it?

White residue can be efflorescence, caused from wetting the pavers to activate the sand – it can also be from the polymer residue that was not properly cleaned off. Note: If the Polymeric Sand is installed on wet pavers, you will have a white residue on the paver surface. This is because the polymers are reacting and dissolving and sticking to the wet paver surface.
Note: Whether you are dealing with efflorescence from the pavers or residual polymers on the surface, A good cleaning with Gator Efflorescence cleaner should remove either from the surface. If the Efflorescence is especially bad, repeat applications may be necessary. If there are physical sand Particles left on the surface, they will require a pressure washer to remove before the efflorescence Cleaning. None of Alliances polymeric sands contain any cement therefore will not cause any Permanent stain.

Can the polymeric sand be used with clay pavers?

Caution must be taken when applying the sand to clay paver joints. Clay pavers are more porous and can still be damp when they appear dry. Note: be aware that cleaning the entire project with Gator Efflorescence cleaner after the sand has set may be necessary.

What will happen if the Alliance Gator Dust is applied at a lower than indicated temperature?

Alliance Gator Dust – is engineered to be installed at temperatures above 59 F. If installed at lower temperatures it may never set up and be weak and not function as it is intend to.

Why is only the top layer of the polymeric sand / Gator dust hardening and it is dry underneath?

This is a normal condition, the crust acts like a protective layer that is on top of the densely packed polymeric sand or Gator Dust, this flexible crust is spanning from one paver chamfer to another. This crust allows for some movement, much like a hinge. Making these products ideal in freeze thaw conditions.

Why is the sand / dust not hardening?

Usually it means that there is still water in the product – if the sand does not dry, it will not harden properly.

I install pavers over stone dust and my polymeric sand always fails. Why?

Polymeric sand cannot be installed in pavers placed on stone dust. Stone dust traps and retains moisture which causes polymeric sand to fail. A paver installation should be performed to ICPI specifications, i.e., installed over 1 inch of bedding sand, which will allow proper drainage and a successful polymeric sand installation. If you insist on installing over stone dust then the Alliance Gator Maxx Sand is the product to use.

Can I use regular sand to fill up half the joint and place Alliance Gator Polymeric Sand or Stone Dust on top?

We do not recommend doing this – we recommend that the entire joint depth be filled with our sand or stone dust product in order to ensure that you have a successful installation. Without a firm densely packed base, water and ice can work their way into the joint and cause the material on top to fail. It is also next to impossible to evenly fill up half a joint with one material – you will have some areas halfway and some areas where they are 7/8 of the way full. We refer to this as topping, this can cause the sand to fail and come out of the joint. Furthermore doing this is also a false economy as the work in attempting this procedure this will greatly outweigh any anticipated savings in material.

Can I use Alliance Gator Dust in a cobblestone driveway apron?

Gator Dust is not intended for vehicular traffic – it does not have the compressive strength to resist the tremendous loads placed on the joint, by a vehicle. Use Eurostone Bond Polymeric Sand.

Can I install polymeric sand or Alliance Gator Dust on my pavers lain over concrete?

Alliance manufactures the only product on the market approved for use over existing concrete – Gator Maxx Bond. This product is less permeable to water and specifically engineered to shed water. Gator Maxx Bond can be installed on non-drainage bases and on conventional drainage bases.

Why did my Alliance Gator Dust form a thin crust?

If Gator Dust forms a thin crust it was under-watered during its initial activation, or the temperature was below 59° F. Gator Dust requires a fine mist then two successively heavier soakings until water ponds in the joints and is allowed to soak in and activate to a proper depth of material. Never allow the surface of the stone or paver to dry in between the three applications of water.

How much should I water the material to activate it?

Both the sand and the stone dust should be watered 3 times, starting with a fine mist and progressing on to heavier watering using a rinsing action until water begins to accumulate on the surface. On a hot day more water may be necessary as surface evaporation dries the water before it can penetrate the product. Please refer to our instructions and video.

Where can I buy the product?

Call us at 1-866-212-1611 we will be glad to assist you.