Concrete Safe Room Ventilation

Safe room walls and roofs can be built using a variety of materials including reinforced concrete reinforced concrete masonry or combinations of wood frame and steel sheathing or concrete masonry infill.

Concrete safe room ventilation.

Plan for ventilation issues in advance of building. These issues are more difficult for a vault room than for inside a gun safe. Walls ceiling and doors of the shelter must withstand wind pressure and resist penetration by wind borne debris and falling objects. It is pored concrete but like i said before this room is below the outdoor porch.

Safe room must be adequately anchored to resist overturning and uplift. High fire rating walls rated at 3 hours with 6 concrete wall thickness safe room considerations. A dehumidifier should be run inside the vault room for at least a year or two following construction. And even that has a layer of 2 foam on the outside before it was back filled.

The only place i would be concerned about moisture in the room is the ceiling. I am told that concrete gives off moisture for at least a year as it cures. Safe rooms are specially designed structures that offer an enclosed space for people to seek refuge in the event of extreme weather such as tornadoes and hurricanes. So i have seen some moisture wicking through from above.

These structures are designed to provide what the federal emergency management agency fema considers to be near absolute protection a term describing the level of protection necessary to significantly lower chances of.