Damp Floor Under Posts

Should there be a white cream fungus material growing on the soil or on the bricks then the sub floor area is very damp.

Damp floor under posts.

Damp proof membranes dpms a damp proof membrane or dpm is a waterproof barrier that s introduced between your sub floor and your wood floor. If the tile surface is cooler than the warm humid room air the moisture inside the air becomes the dampness on the floor tile when the warm air and cool floor meet. A basement post is usually installed to counteract a sagging frame in a wood frame house. However typically these are often fairly thin and are sometimes damaged even before they are laid.

The floor is quite level other than the 1mm difference where the bitumen is. Hopefully there is an image attached below. When faced with damp in concrete floors there are two options available. Damp proof membranes are routinely used during the construction of a concrete floor.

When tile flooring feels damp and no liquid has been spilled on it it s likely condensation that has formed on the tile surface. The earth level under the house should be well under floor level to give adequate sub floor airflow. I have read through all i think the parquet damp concrete sub floor threads in this forum and picked up some great information. This is because damp rising up through concrete floors is a pretty common issue.

This often happens with porcelain and ceramic tiles. Fully isolate the dampness in the floor using a surface damp proof membrane dpm damp proofing concrete floors above ground damp proofing for extensions. They are made from metal and have an adjustable screw top that can be raised to fit the space between the floor and ceiling of the basement. Inspect the sub floor area in as many locations as possible shine a torch through vents.

Dig up the old concrete floor install a new damp proof membrane and lap up edges before replacing the concrete slab.