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If your channel drain is being installed in a driveway, then you will need to pour concrete to secure the drain and prevent it from breaking under the weight of your car. For channel drains that you plan on installing on a walkway or underneath a roof or awning, then you can get away with using a compacted fill.

Yes, spraying water on the surface helps concrete cure evenly by preventing the top layer from curing long before the wet bottom layer cures. Otherwise, the top layer will cure and shrink, creating tension, and this tension will tear the top and bottom layers apart, creating a weakened slab. Water prevents this from occurring.

What goes under your floating deck depends on your preferences. Some homeowners put landscaping fabric underneath their decks to prevent weeds from popping up through the boards. Others choose to build a floating deck over grass or gravel. However, it’s best not to set your deck directly on the ground. Instead, set your deck on blocks to keep it elevated enough to prevent moisture from rotting the wood.

If your concrete stains are green in color, it indicates the presence of mold or algae—which you should address right away. If left unattended, mold will spread to other areas throughout the home. However, be careful not to disturb mold on indoor concrete surfaces and work with a local mold remediation specialist for specialized care. Once free from mold and algae, seal your concrete to eliminate pores and gaps.