DOMINATOR Polymeric Sand Review

Every polymeric sand works when it is installed perfectly. The premium in a bag like this buys tolerance for the parts you will not do perfectly — and on a large patio in your own garden, that is worth more than a spec sheet suggests.

1. What DOMINATOR Is

DOMINATOR is a premium polymeric jointing sand: graded sand with binders blended through it that activate when watered and cure to lock the joint together. That basic description covers every product in the category, from the cheapest big-box bag upward, so the useful question is what separates them.

Three things separate DOMINATOR. The colour range is broader than the tan-and-grey most stores stock, and the colours hold rather than drifting towards a uniform grey after a few seasons. The binder system leaves noticeably less haze on the paver faces than budget sands, which is the most visible way a polymeric sand job goes wrong. And the cured joints stay flexible enough to handle freeze-thaw movement without the surface cracking that cheaper products show after a hard winter.

None of that is exotic chemistry — it is the same category doing the same job, executed better. Which means the honest framing of this review is not "does it work" but "is the gap between this and a $30 bag worth the difference on your particular patio".

2. NG+ vs SG+: Get This Right First

The single most consequential decision is which grade you order, and it is decided by joint width rather than by paver type or budget.

NG+ is the natural grade, formulated for the narrower joints typical of machine-made concrete pavers — the gaps you get when units are laid tight against each other. The grain is fine enough to flow to the bottom of a narrow joint rather than bridging across the top of it.

SG+ is the stone grade, formulated for the wider and irregular joints of natural flagstone and cut stone. It has the body to hold together across a gap that would defeat a narrow-joint product.

Using NG+ in a wide joint is the classic way to make a premium sand fail: it lacks the body to span the gap, so it cracks, sinks and washes out, and the product gets blamed for a specification error. Using SG+ in a very narrow joint is less dramatic but also wrong — the coarser grain bridges the top of the gap and leaves a void underneath that collapses later.

Measure several joints before ordering, including the widest ones, and buy for those. Our guide on what paver sand is covers the joint width question across the whole category.

3. How It Performs

Haze Resistance

This is where the premium is most obviously spent. Haze — the milky film left when binder washes onto the paver faces during watering — is the most common visible failure in polymeric sand work, and it is genuinely difficult to remove once cured. DOMINATOR leaves markedly less than budget bags, even on textured and porous pavers where haze usually shows worst.

It is not haze-proof, and no polymeric sand is. If the paver faces are not swept and blown clean before the hose comes out, you will get a film regardless of what you paid. What the premium buys is a wider margin for the imperfect job most of us actually do.

Colour Retention

All polymeric sand shifts as it cures and again as it weathers, settling duller and greyer than the dry bag looked. DOMINATOR shifts less and more slowly, which matters when the joints are a deliberate part of the design rather than something you want to disappear. Our guide to polymeric sand colours covers how each shade ages and why testing before committing matters.

Durability Through Freeze-Thaw

The cured joints stay firm without becoming brittle, which is exactly the balance a paver field needs — rigid enough to resist washout and insects, flexible enough to move slightly with the ground rather than cracking. Through a hard winter this is where the gap against budget sands shows most clearly, in the form of joints that have not developed the surface crazing cheaper products often show by spring.

Weeds and Ants

As with any properly cured polymeric sand, a filled joint gives weed seeds nowhere to germinate and ants nothing loose to excavate. This is a category benefit rather than a brand one — a correctly installed budget sand performs the same job — but it is the reason polymeric sand exists, and DOMINATOR delivers it reliably.

Working Time and Cure

One practical characteristic worth knowing before the bag is open: like every polymeric sand, the clock starts the moment water touches it, and there is no pausing halfway. Plan the sweeping, compacting, cleaning and watering as one continuous sequence with everything to hand, and start early enough in the day that a dry evening follows. Light foot traffic is usually fine within 24 hours, and the joints reach full strength over the following weeks.

4. Against the Competition

Versus big-box bags — Sakrete PermaSand and Quikrete PowerLoc — the gap is real and it is mostly about tolerance. Those products work well when the surface is bone dry, the faces are immaculate, and the watering follows the bag exactly. DOMINATOR is more forgiving of the imperfect version of that, leaves less haze, and holds colour better over years. Our guide to what Home Depot stocks covers the shelf options in detail.

Versus Alliance Gator Maxx, the other premium name, the two are closer than either marketing suggests. Gator has a slight edge on the very widest joints and is more widely available; DOMINATOR has a broader palette and better long-term colour hold. On a standard patio, either is a good decision and the difference between them is small next to the difference between either and a budget bag.

Versus plain jointing sand, there is no contest for most installations — plain sand washes out, grows weeds and hosts ants, as covered in polymeric sand vs regular sand. The exception is a permeable paving system designed to drain through its joints, where a standard polymeric sand defeats the purpose entirely.

5. Getting the Install Right

A premium sand does not change the method, and the method is where nearly all failures originate.

Everything must be dry. The pavers, the joints, and the sand. Binders activate on contact with water, so a damp joint starts curing before the sand reaches the bottom of it.

Sweep in diagonally, compact, top up. Work across the pavers rather than along the joints so the sand drops in. Compact with a plate compactor, then top up and repeat until the joints are filled to a few millimetres below the paver surface — not flush, which floods the faces during watering, and not half full, which leaves the joint without strength.

Clean the faces obsessively. Sweep, then go over the surface with a leaf blower on a low setting held at a shallow angle. This five-minute step prevents the haze that defines a bad polymeric sand job, and it is the step people skip when the light is going.

Water exactly as directed. Several light passes with a shower setting, not one soaking. Stop when water starts standing rather than soaking in. Over-watering flushes binder out of the joint and onto the faces; under-watering leaves the joint soft, which is the failure covered in why polymeric sand does not harden.

Give it a clear window. Rain within the first few hours undoes the whole job. Our full method is in how to use polymeric sand, and the failure modes are catalogued in polymeric sand installation mistakes.

What It Costs in Practice

On a typical 400-square-foot patio with standard joints, expect somewhere between four and eight bags depending on joint width and paver thickness. At premium pricing that is a meaningful sum next to the same coverage in a big-box bag — enough to notice, not enough to change the shape of the project against the cost of the pavers themselves.

The comparison worth running is against redoing the job. Removing failed joint sand to depth across a patio is slow, unpleasant work, and the second attempt costs the same in product plus a weekend you have already spent once. Seen that way, the premium is cheap insurance on any surface where getting it wrong means grinding old sand out rather than simply sweeping more in.

6. Who Should Not Buy It

Anyone doing a small utility path. On a short run of paving behind a garage, the difference between this and a big-box bag is not visible to anyone and the money is better spent elsewhere.

Anyone working tomorrow. It is essentially an online purchase in most markets, so it needs ordering days ahead. Deciding on it the night before the pavers go down is how people end up buying whatever is in the aisle instead, which is the worst of both outcomes.

Anyone with a permeable paving system. Standard polymeric sand seals joints that were designed to drain. Those systems need a permeable jointing product, and using this one defeats the entire design.

Anyone whose base is moving. Pavers that rock underfoot or a field that has settled unevenly need the base rebuilding. New joint sand of any grade is cosmetic there, and doing it before the base work means doing it twice.

Frequently Asked Questions