Best Polymeric Joint Sand for Pavers: 10 Bags Compared by Joint Width and Set Time

Weeds poking up between patio stones and sand washing out after every storm are signs your joints need help. The best polymeric joint sand for pavers fixes both by hardening in the gaps after you mist it with water, so the stones stay locked and the joints stay clean.

The catch is that each bag is made for a set joint width, surface and weather window. Pick sand built for 3/4 inch gaps and pour it into 3 inch flagstone joints, and it can crack or wash out. This guide compares 10 polymeric sands by maximum joint width, bag weight, rain window and surface type. It helps homeowners redoing a patio, walkway, pool deck or driveway pick the right bag the first time.

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On this page

1. Compare Polymeric Sand for Pavers by Joint Width, Bag Size and Rain Window
2. Detailed Reviews: Best Polymeric Joint Sand for Pavers
3. Match Polymeric Sand to Your Widest Joint
4. Check the Weather and Joint Depth Before You Start
5. How to Choose Polymeric Sand for Pavers
6. Which Polymeric Joint Sand for Pavers Should You Choose?
7. Frequently Asked Questions
8. Final Verdict

Compare Polymeric Sand for Pavers by Joint Width, Bag Size and Rain Window

Detailed Reviews: Best Polymeric Joint Sand for Pavers

1. Alliance Gator Maxx G2 Intelligent Polymeric Sand, Diamond Black, 50 lb (Best Overall)

• 4 inmax joint width
• 50 lbbag weight
• 15 minrainfast window
• 85 sq ftmax coverage

Best for: Homeowners with a mix of tight paver joints and wider natural stone gaps who want one bag that handles both.

Why it ranks #1: It matches the DOMINATOR on joint width but lists a 15 minute rain window and a coverage figure, which the DOMINATOR does not.

Alliance Gator Maxx G2 is the most complete pick for polymeric sand for pavers on this list. The listing says it locks joints up to 4 inches wide on both pavers and natural stone, and it covers up to 85 square feet per 50 lb bag. That range handles most patios, from tight concrete pavers to irregular flagstone.

The brand calls its formula Rapid Set Technology and says it is rainfast in 15 minutes during traditional applications. It also lists no dust, no haze and no blower needed. Sweep it into fully dry joints, then lightly mist the surface. Do not apply below 32 degrees, and follow the label directions for watering.

Skip it if you have light beige or ivory pavers and want joints that blend in; the SRW Z3 Pavermate 50 lb comes in beige.

2. DOMINATOR Polymeric Sand for Pavers, Titanium Gray, 40 lb (Widest Joint Range)

• 1/8 inmin joint width
• 4 inmax joint width
• 1 inmin joint depth
• 40 lbbag weight

Best for: Patios with very narrow joints in some areas and wide gaps in others, where you want one sand for the whole job.

Why it ranks #2: It covers a wider low end than the Gator Maxx G2 50 lb, down to 1/8 inch, but gives no rain window or coverage number on the listing.

DOMINATOR lists the widest joint range in this guide, from 1/8 inch up to 4 inches, with a minimum joint depth of 1 inch. The maker credits a Ceramic Flex formula for staying flexible and strong across that span. It comes in a 40 lb bag with an Easy Pour Handle for more control as you pour.

You sweep the fine sand into the joints and rinse. The listing does not give a coverage rate. Instead it points you to the DOMINATOR Polymeric Sand Calculator or a worksheet in the product guides. It also notes this sand does not replace grout, mortar or paver edging, and suggests buying a small bag first to check the color.

Skip it if you need joints wider than 4 inches; the X-Treme Sand 50 lb lists up to 6 inches.

3. X-Treme Polymeric Sand for Pavers and Natural Stone, Granite, 50 lb (Best for Wide Flagstone Joints)

• 6 inmax joint width
• 50 lbbag weight
• Granitecolor

Best for: Flagstone patios and garden paths with wide, irregular gaps between stones.

Why it ranks #3: It handles 2 inches more joint width than the Gator Maxx G2 50 lb and DOMINATOR 40 lb Sand, but lists no rain window or coverage.

X-Treme Polymeric Sand is the pick for wide joints. The listing calls it a high performance jointing sand for joints up to 6 inches wide, which is the largest gap on this list. It names flagstone, stone pavers, concrete and brick as target surfaces, along with retaining walls and garden paths.

The listing describes a fast setting formula that resists freeze and thaw damage, erosion and shifting, and helps keep weeds out of joints. Note that the listing refers to it as SRW Xtreme Polymeric Sand in the features, though the title brands it X-Treme. It does not give a set time or coverage number, so plan to buy extra.

Skip it if your pavers have tight factory joints under 3/4 inch; the PolySweep 50 lb is made for narrow gaps.

4. Alliance Gator G2 Intelligent Polymeric Super Sand, Slate Gray, 50 lb (Best for Standard Paver Patios)

• 2 inmax joint width
• 50 lbbag weight
• 15 minrainfast window
• 85 sq ftmax coverage

Best for: Standard concrete paver patios and walkways with joints under 2 inches.

Why it ranks #4: It shares the 15 minute rain window of the Gator Maxx G2 50 lb but stops at 2 inch joints.

Alliance Gator Super Sand G2 is the everyday option for concrete paver patios. The listing says it locks joints up to 2 inches wide and covers up to 85 square feet per 50 lb bag. Slate Gray suits most gray and charcoal pavers.

Like the Maxx G2, it lists no dust, no haze and no blower, and is rainfast in 15 minutes in traditional applications. Pavers and joints must be fully dry before you start. Sweep, then lightly mist to activate the polymers. Skip the job if temperatures will drop below 32 degrees.

Skip it if you are filling wide natural stone joints; the Gator Maxx G2 50 lb handles up to 4 inches.

5. Techniseal EZ Sand Polymeric Jointing Sand, Gray, 35 lb (Best Mid-Size Bag)

• 35 lbbag capacity
• 36.82 lbshipping weight
• Graycolor
• USAcountry of origin

Best for: Small to medium projects where a 50 lb bag is too much to lift or more than you need.

Why it ranks #5: It comes from a well known jointing brand, but the listing gives far fewer specs than the Gator bags above it.

Techniseal EZ Sand comes in a 35 lb bag, which sits between the 50 lb bags and the small touch up sizes in this guide. The listing gives a coverage area of 50 but does not state the unit, so check the bag label before you order a full project amount. It is gray and made in the United States.

This is a sparse listing. It does not state a maximum joint width, set time or rain window. That makes it a better fit when you already know the product from a past job, or when you can read the bag instructions in person before you start.

Skip it if you need clear joint width and rain window numbers before you buy; the Gator G2 Super Sand lists both.

6. Alliance Gator Maxx Bond Polymeric Sand for Concrete Paver Joints, Slate Gray, 50 lb (Best for Driveways and Pool Decks)

• 2 inmax joint width
• 50 lbbag weight
• 1 hrrain safe after watering
• 85 sq ftmax coverage

Best for: Paver driveways, pool decks and parking pads in residential or commercial settings.

Why it ranks #6: It names heavier uses than the Gator G2 Super Sand, but its 1 hour rain window is longer than the G2 formulas.

Alliance Gator Maxx Bond is built for concrete paver joints up to 2 inches. The listing names pool decks, patios, footpaths, driveways, parking spaces and pavements in both commercial and residential settings. Coverage reaches up to 85 square feet per bag, depending on joint width.

The listing says the sand becomes rain safe 1 hour after water activation in a traditional brick paver job, and it describes a haze free formula. One oddity: that rain line refers to the product as Supersand, which is a different Gator product name. Apply only to fully dry pavers and not below 32 degrees.

Skip it if rain often rolls in fast where you live; the Gator G2 Super Sand is rainfast in 15 minutes.

7. PolySweep Superior Strength Polymeric Sand, Platinum, 50 lb (Best for Porcelain and Tight Joints)

• 3/4 inmax joint width
• 1 inallowed at intersections
• 50 lbbag weight

Best for: Porcelain pavers, clay brick and cast stone with narrow, even joints.

Why it ranks #7: It is the only pick that names porcelain tile, but its 3/4 inch limit is the narrowest here.

PolySweep is the narrow joint specialist. The listing recommends it for joints up to 3/4 inch, with 1 inch acceptable where pavers meet at intersections. It names concrete and clay pavers, natural stone, cast stone and porcelain tile, which makes it the only bag here that lists porcelain.

It is listed for residential and commercial driveways, walkways, patios, pool decks and concrete overlays. The listing does not give a set time, rain window or coverage figure, so read the bag directions before you water it in. Platinum is a light gray shade.

Skip it if you have wide or irregular stone joints; the X-Treme Sand 50 lb goes up to 6 inches.

8. SRW Products Z3 Pavermate Polymeric Paver Sand, Beige, 50 lb (Best Beige for Repairs)

• 50 lbbag weight
• Beigecolor
• New or repairproject type

Best for: Tan, beige or warm toned pavers where you are refilling old joints on an existing patio.

Why it ranks #8: It offers a lighter color than the gray bags above it, but lists no joint width or set time.

SRW Z3 Pavermate comes in a 50 lb bag of beige sand, a good match for tan and sandstone colored pavers. The listing says it works for new installations or repair projects on concrete, pavers, brick, flagstone and stone, plus retaining walls and garden paths.

It describes a fast setting formula that hardens paver joints and helps stop erosion, shifting and weeds. The listing does not state a maximum joint width, rain window or coverage. If your joints are wider than about 2 inches, confirm the limit on the bag first.

Skip it if you need a stated joint width for wide gaps; the DOMINATOR 40 lb Sand lists 1/8 to 4 inches.

9. Rhino Power Bond Plus Polymeric Sand for Pavers and Stone Joints, Slate Gray, 10 lb (Best Small Bag for Touch-Ups)

• 2 inmax joint width
• 10 lbbag weight
• Slate Graycolor

Best for: Patching a few washed out joints, or trying a color before you buy a full project amount.

Why it ranks #9: It matches the Gator G2 Super Sand on joint width in a much smaller bag, but the listing is short on details.

Rhino Power Bond Plus comes in a 10 lb bag, so you can fix a few joints without leftovers. The listing says it suits pavers and stone joints up to a maximum of 2 inches, and names concrete pavers and wet cast pavers.

It lists driveways, walkways and pool surrounds as uses, and says it is designed to handle rain, snow and strong sun. There is no coverage, set time or rain window on the listing. For a full patio you would need many bags, so a 40 or 50 lb option makes more sense there.

Skip it if you are filling a whole patio; the Gator Maxx G2 50 lb covers up to 85 sq ft per bag.

10. BuddingCo Polymeric Sand Joint Stabilizing Sand for Pavers, Grey, 18 lb (Best for False Joint Pavers)

• 18 lbbag weight
• 18 sq ftcoverage
• 32°Fminimum set temperature

Best for: Small patios or paths made of false joint pavers, the kind with grooves molded into the face.

Why it ranks #10: It is the only bag here that names false joint pavers, but its 18 sq ft coverage is small.

BuddingCo Polymeric Sand is an 18 lb bag that the listing says can be used on false joint pavers. These pavers have shallow grooves cast into the surface to look like separate stones. The bag lists a coverage of 18 square feet.

It names pool decks, patios, footpaths, driveways, parking spaces and pavements as uses. The listing says it helps prevent erosion from wind, rain and freeze and thaw cycles, and that it sets only above freezing, 32 degrees F or 0 degrees C. There is no joint width limit on the listing.

Skip it if you have a large patio to fill; the Gator G2 Super Sand covers up to 85 sq ft per bag.

Match Polymeric Sand to Your Widest Joint

Buy for your widest joint, not your average one. Polymeric sand that is pushed past its stated width can crack, crumble or wash out.

Measure the widest gap on your patio with a tape. Then compare it with the listed limits in this guide. The PolySweep 50 lb stops at 3/4 inch, the Gator G2 Super Sand, Gator Maxx Bond 50 lb and Rhino Power Bond 10 lb stop at 2 inches, the Gator Maxx G2 50 lb and DOMINATOR 40 lb Sand reach 4 inches, and the X-Treme Sand 50 lb goes to 6 inches.

A good rule of thumb: if your widest joint is within 1/4 inch of a bag’s limit, step up to the next size range. Tight concrete pavers with factory spacer bars rarely need more than a 2 inch sand. Flagstone and irregular natural stone often do. For ideas on laying stone paths with wide gaps, see our guide to the best stones for a walking path.

Check the Weather and Joint Depth Before You Start

Polymeric sand needs dry pavers, dry joints and a dry forecast. Water starts the hardening, so rain at the wrong time can wash the binder out of the joint.

Every listing here that names a temperature says not to apply below 32 degrees. The Gator Maxx G2 50 lb and Gator G2 Super Sand list a 15 minute rain window, while the Gator Maxx Bond 50 lb lists 1 hour. Pick a day with at least a full day of dry weather ahead to give yourself margin.

Depth matters too. The DOMINATOR 40 lb Sand needs at least 1 inch of joint depth. Clean old sand and debris out of the joints first, so fresh sand can fill to the right depth. Then sweep it level just below the paver edge before you mist it.

How to Choose Polymeric Sand for Pavers

Maximum Joint Width

This is the most important spec. The range across this list runs from 3/4 inch on the PolySweep 50 lb to 6 inches on the X-Treme Sand 50 lb. Narrow porcelain and clay paver joints want the low end. Flagstone and natural stone want 4 to 6 inches.

Bag Size and Coverage

Bags here run from 10 lb to 50 lb. The Gator Maxx G2 50 lb lists up to 85 square feet per 50 lb bag, while the BuddingCo 18 lb lists 18 square feet per 18 lb bag. Coverage drops as joints get wider and deeper, so buy one extra bag for a large job.

Rain Window and Set Time

A short rain window gives you more freedom with the weather. The Gator G2 formulas list 15 minutes, and the Maxx Bond lists 1 hour. Many listings give no figure, so read the bag before you start.

Color

Gray suits most concrete pavers. Beige, like the SRW Z3 Pavermate 50 lb, blends with tan stone. Dark colors make joints stand out. DOMINATOR suggests buying a small bag first because screen colors vary.

Surface Type

Check that the listing names your surface. The PolySweep 50 lb names porcelain tile, the BuddingCo 18 lb names false joint pavers, and the Gator Maxx Bond 50 lb names driveways and pool decks. If you are planning pavers around a pool, our guide to the best pavers for a pool area covers materials and drainage.

Which Polymeric Joint Sand for Pavers Should You Choose?

• If you want one bag for pavers and natural stone, choose the Gator Maxx G2 50 lb, because it fills joints up to 4 inches and is rainfast in 15 minutes.
• If your joints range from very narrow to wide, choose the DOMINATOR 40 lb Sand, because it lists 1/8 inch to 4 inch joints.
• If you have wide flagstone gaps, choose the X-Treme Sand 50 lb, because it handles joints up to 6 inches.
• If you have a standard concrete paver patio, choose the Gator G2 Super Sand, because it covers joints up to 2 inches and up to 85 sq ft per bag.
• If you want a lighter bag for a medium job, choose the Techniseal EZ Sand 35 lb, because it comes in a 35 lb size.
• If you are filling a paver driveway or pool deck, choose the Gator Maxx Bond 50 lb, because the listing names driveways, pool decks and parking spaces.
• If you have porcelain or clay pavers with tight joints, choose the PolySweep 50 lb, because it is made for joints up to 3/4 inch.
• If you have tan or beige pavers to repair, choose the SRW Z3 Pavermate 50 lb, because it comes in beige and lists repair use.
• If you only need to patch a few joints, choose the Rhino Power Bond 10 lb, because it comes in a 10 lb bag.
• If your patio uses false joint pavers, choose the BuddingCo 18 lb, because it is the only bag here that names them.

Frequently Asked Questions

What is the best polymeric joint sand for pavers?

The Gator Maxx G2 is the best all round choice on this list. It fills joints up to 4 inches on pavers and natural stone, lists a 15 minute rain window, and covers up to 85 square feet per 50 lb bag. For gaps wider than 4 inches, look at the X-Treme sand, which lists joints up to 6 inches.

Polymeric sand vs regular paver sand: which is better?

Polymeric sand is better for joints you want to stay put. It contains binders that harden when misted with water, so it resists washout, weeds and ants better than loose sand. Regular joint sand is cheaper and easy to top up, but it needs refilling more often. Use polymeric sand for patios, walkways and driveways that see rain and traffic.

How to apply polymeric sand to pavers

Start with fully dry pavers and clean joints. Pour the sand, sweep it into the joints and compact it so it settles, then top up. Sweep the surface clean and blow off any dust. Lightly mist the pavers to activate the binder, following the label for how much water and how many passes to use.

How much polymeric sand do I need for my patio?

It depends on joint width, depth and paver size. The Gator bags list up to 85 square feet per 50 lb bag, while the BuddingCo bag lists 18 square feet per 18 lb bag. Wider, deeper joints use more sand. DOMINATOR offers an online calculator. Buy one extra bag so you do not run out mid job.

Is polymeric sand safe for pets and plants?

Follow the safety directions on the bag. Polymeric sand is a fine powder, so wear a dust mask, gloves and eye protection while pouring and sweeping. Keep pets and children off the area until the sand has set, and rinse residue off nearby plants. Do not wash loose sand into ponds or drains.

Can you use polymeric sand on wide flagstone joints?

Yes, if the sand is rated for that width. Most paver sands stop at 2 inches. The Gator Maxx G2 and DOMINATOR list up to 4 inches, and the X-Treme sand lists up to 6 inches for flagstone and natural stone. Check the bag for a minimum joint depth before you start.

Why did my polymeric sand turn hazy on the pavers?

Haze usually comes from sand dust left on the paver surface when you water it in. Sweep and blow the surface fully clean before misting. Several Gator listings in this guide describe no haze or haze free formulas on concrete pavers, but good cleanup still matters for every brand.

Final Verdict

The Gator Maxx G2 50 lb is the best polymeric joint sand for pavers for most patios. It fills joints up to 4 inches on pavers and natural stone, lists a 15 minute rain window, and covers up to 85 square feet per bag. If your flagstone gaps are wider than 4 inches, the X-Treme Sand 50 lb lists up to 6 inches. Before you buy, measure your widest joint and check that the forecast stays dry and above 32 degrees.

See the Gator Maxx G2 50 lb on Amazon

Planning a new layout first? Browse our front yard paver ideas for patterns that pair well with polymeric sand joints.