Placement, Curing, Contractors
7. Placement. Compaction is done in two steps in quick succession. First, after the Pervious Concrete is poured from the ready mix chute and and leveled with come-alongs and rakes the first compaction is done with a vibratory screed and then second, with a set of compaction rollers. This creates a slab where the top 1½" has smaller voids to trap pollutants which can be removed or which volatize in sunlight. (For example, much oil and grease after volatization, leave inert carbon particulates behind which can be absorbed or filtered by the base and soil below.)
8. Curing. Following placement, the Pervious Concrete should be misted with water. Then it needs to be covered with 6 mil, polyethylene film which should be held down securely. Curing time without vehicular traffic is a minimum of seven days. However 28 days must pass before the pervious concrete reaches its maximum strength.
9. Contractors. Use only qualified placement contractors. Charger Enterprises, Inc. has many successful large pervious concrete jobs to its record. Our background includes site preparation work as well. We have engineering contacts throughout the state to support any project, any way appropriate. We work with the best material suppliers in the area who consistently supply us with the most uniform, high quality pervious mixtures. That's why we warranty our work for ten years