In this technique a layer of sand with certain thickness is placed after that a strong and highly durable plastic such as polyethylene is laid then another layer of sand is installed above the plastic sheet.
How to prevent moisture in basement floor.
Concentrate on the area where the basement wall meets the floor.
Basements and garages the typical rooms with concrete floors also suffer from poor air circulation giving the moisture nowhere to go once it seeps through the floor.
Raising the overall room temperature.
Interior membrane or coating is a temporary solution.
Sealing all openings reduces the draft which results in condensation on the floor.
Reduce seepage around basement regrade soil around foundation walls to prevent water from moving toward the foundation.
Covering those places such as walls pipes and ducts with insulation will help keep warm air from coming in contact with the cool surfaces thus preventing condensation.
Changing the surface of your floor.
Minimizing humidity of the air.
Insulating the places where condensation builds up can also help to eliminate moisture.
A dehumidifier can pull gallons of moisture from the air each day.
It is the best way to reduce basement moisture.
This is where the water pressure is greatest and the risk of leaks is highest.
Sealing all openings to prevent humid air from getting inside.
Use a trowel to apply the waterproofing mixture to the corners of the basement floor.
Direct downspouts far away from basement walls with downspout extensions.
Dry out or remove any furniture clothes or even building materials that have become damp.
If dry the moisture is originating elsewhere in the basement most likely from a basement shower easily remedied by installing a vent fan in the bathroom to direct steam outdoors.
Improving the circulation of air across the floor.
Sealing the concrete can.
With a shovel bank up the soil to the masonry foundation wall then slope that earth down and away from the house.
Opening basement windows and installing a fan will keep the air in the basement circulating and help dry things out however you need to eliminate the moisture or it will come back.
It is appealing to solve a basement moisture problem with a membrane or coating on the inside.
Purchase a high quality dehumidifier and drain it into a basement drain.