Every interlocking brick paver system involves the use of joint sand. This joint sand helps to reduce paver movement by bonding the system together. It is also a vital part of prohibiting weed growth, insect infestation, and sand washout. The proper type of sand needs to be used for the best results. Polymeric sand is highly recommended because once it is applied to the joints, it reacts with misted water and creates a binding agent that helps solidify the sand and locks the pavers together.
The best polymeric sand to use is a brand like Surebond. This special polymeric sand will bind the sand particles together when reacted with water but will not cause a problem known as poly haze. Poly haze is what happens when there is polymeric sand left on the surface of the pavers after the sand has been swept into the cracks. The pavers are then misted with water to activate the binding agent but in turn it also reacts with the left behind layer of surface sand creating a white haze.
Once this occurs, the white poly haze can only be removed with an acid based cleaner. If it is not removed and accidentally sealed over, the poly haze will be trapped under the sealer. The surface will have a milky white haze to it that can only be fixed by stripping the sealer off and then acid cleaning the white haze and basically starting all over again. Surebond poly sweep sand is not prone to this poly haze phenomenon.
Surebond polymeric sand is easy to use and will bind the pavers together creating a lock tight structure that will hinder weed growth and paver movement. Using the best polymeric sand is a crucial step in paver construction whether it is a patio, driveway, porch, or walkway. It will work for any type of interlocking paver installation. When the pavers are due for maintenance new poly sand should be installed where needed after cleaning the pavers and prior to sealer application. Using the best polymeric sand is well worth the investment.
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