Making a durable, eco-friendly, low cost driving surface

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March 15 10:06 PM by Dan Banici | General

Making a durable, eco-friendly, low cost driving surface

KompaFlex MX is the formula of choice for most "alternative paving" contractors because it offers unparalleled flexibility and economy.

KompaFlex must always be mixed with water before application. Start by reading the product page, then the additional materials on this website.

KompaFlex MX has a high percentage of virgin active solids. That said, aim to have half a liter of product per m2 per 2 inch depth for hard surface applications, to ensure there is enough adhesive to give your driving surface strength and longevity. Another way is to ensure the amount of polymer is between 2-4% of the dry weight (before adding water) of the quantity of soil you will mix it into. For this example we will say that is 0.5L of pure polymer. To this you will add as much water as necessary to bring it to optimum moisture content (OMC). OMC means wet enough to compress to maximum possible density, but without any liquid pumping to the surface. The only way to know how much liquid you need is by testing before the work starts, measuring soil moisture and knowing how much liquid you shall add to bring a given 1 m2 to OMC, then adjust your spray dispersion / applicator and speed to achieve this in minimum 2 runs. Suppose your soil needs 3 liters of liquid to reach OMC, you would use 2.5 l of water mixed with 0.5 liters of polymer (5:1 ratio). If your soil needs only 2 liters to reach OMC then you would still use 0.5 liters of polymer but less water (3:1 ratio). If your soil is moist and needs only 1 liter of liquid, then you would mix 1:1 (half and half). The amount of adhesive you will use may be slightly lowered for exceptional soils (2%) and slightly raised for marginal soils (4%), but generally use about 0.5 L  per m2 per 5cm depth as your starting point and adjust as necessary (or between 2-3% by weight). More on OMC

Always cap a polymer road with a polymer seal coat (at least two coats). A. you can use a couple of very diluted polymer coatings or B. you could also use an asphalt seal coat after compaction and curing, if seal coating asphalt is cheap and readily available. The surface sealer will serve to protect the hard road from wear and water.

Before you work on the surface, you could also use KompaFlex MX or SP to harden the base (6" or 15cm below the surface). The mixture you use for the base should be diluted more than the surface, and generally given more time to cure (48-72 hours). Plan your water drainage properly, and make sure the water ends up going away from your road, not under it.

Once you have a basic understanding of the fundamentals explained in the Starter Guide (free download below) you are well on your way to building an affordable, hard, eco-friendly wear course strong enough to drive on. We look forward to working with you.

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