Concrete Safe Room Ventilation

I am told that concrete gives off moisture for at least a year as it cures.

Concrete safe room ventilation.

A dehumidifier should be run inside the vault room for at least a year or two following construction. 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. 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. And even that has a layer of 2 foam on the outside before it was back filled.

American safe room manufactures these heavy duty steel ventilation pipes unique and easy bolt on installation with engineered concrete wedge anchors and a thick rubber gasket they feature an armored rain hood that has an removable insect screen and a high security fastener to hold it in place. The safe room however is all concrete. Walls ceiling and doors of the shelter must withstand wind pressure and resist penetration by wind borne debris and falling objects. 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.

It is pored concrete but like i said before this room is below the outdoor porch. These issues are more difficult for a vault room than for inside a gun safe. Plan for ventilation issues in advance of building. High fire rating walls rated at 3 hours with 6 concrete wall thickness safe room considerations.

Safe room must be adequately anchored to resist overturning and uplift.