If the paver is beveled the sand should be even with the bottom of the bevel. Zero Dust: Polymers bind to each other and the sand … (Actually, it’s so important that we … Friday: 8 to 4 When proper preparation is taken (such as weed killer, insect repellant/removal), this polymeric jointing sand has the potential to reduce weed growth, resist rain washout and help prevent insect penetration, compared to more traditional sand. Angle the blower at roughly 30 degrees to ensure you're not blowing sand out of the cracks. You don’t want the sand to be even with the top of the paver, especially if the top of the paver has a bevel. These false joints can successfully be filled with sand and hold up well when done properly (see section below on false joints). Where regular masonry sand of yesteryear allows water to seep through and wash between the layers of the underlying patio, polymeric sand stays put when it rains. It’s simply a combination of fine grain sand and chemical polymers that, when mixed with water, will create a tight bond. This will get you wet and dirty. Poly haze is what happens when there is polymeric sand … It is best to use polymeric sand that is designed for paver construction. We’ve also all seen patios with a ton of weeds or little anthills jutting out of the cracks in its border? If you have a serious weed problem, you may want to pick up some of your pavers and see if there is an extensive mat of weed roots underneath. In other words, can we use it with an original mortar-set pathway rather than a sand-set brick path? The polymer will begin to set and no more water will penetrate. Let’s assume that your patio is in fairly good shape and a candidate for polymeric sand. After the brick pavers have dried for 24 hours it is time to re-sand the joints before sealing. Polymeric sand is nothing but your regular sand with polymer additives and fine silica and quartz. What steps must you take to ensure  an unshakable installation? The easiest and cheapest is to buy sand, dump it into the spots where the sand is missing, and call it a day. Poly sand is thus known for its durability. Polymeric sand works best when used at full depth. Sand is also used to create joints between each paver. Before you get too far into this project we need to discuss reality. While this will save you some money in the short term, you’ll just wind up needing to redo your work sooner than necessary. The first is to make sure the pavers are dry. However, a real gully washer within the first 24-48 hours can dislodge the sand. Regular Sand for Pavers. Wider joints take longer to harden and may require that traffic be restricted for a longer period of time. Sign up to receive our quarterly newsletter. But the lack of binders in the sand would allow washout and cause weeds, grass and ant hills to form. As for insects, ants like patios for their loose dirt, making it good ground to colonize. There are two keys to success here. The sealer is easy to apply and not very expensive. Make sure you follow these best practices when installing pavers. Historically, pavers for patios, walkways, and driveways were installed with regular masonry sand. Additionally, closer observation is necessary when watering, as the false joints will become saturated faster than the full depth joints. How do I address those deep and wide areas? Some pavers are made with a false joint. Both products have the same parameters of application. Easier to install and more … We truly can’t stress the importance of this step enough! One suggestion: DON’T use these products on red clay bricks. In addition to the polymeric sand (hereafter referred to as “sand”) you are going to need a few other items. The second thing that is important is to remove ALL of the dust created when you put the sand down. Cement will stain the pavers and cause a white/light gray film on the pavers and around the joint. Pour several small heaps of polymeric sand over the patio or walkway. If this is the case, it is very likely that in time the weeds will reappear. Downspouts that empty directly on a patio can also be a problem in the first few days. But because polymeric sand hardens and seals, it’s much more difficult for weeds to root in. The most effective way to water the sand is to adjust the nozzle to “shower” and water the pavers until no more water will soak in. The watering process is also CRITICAL. Upon proper installation, the polymers activate and bind the joint sand matrix inside the paver joints. Some of the gaps are more than one and a half inch is wide and deep. : Zero haze: Portland-free formula cleanly sweeps to reduce any material left on same... And protects existing and new paver projects by penetrating deep into the pores of the in! 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