Concrete Safe Room Ventilation

Walls ceiling and doors of the shelter must withstand wind pressure and resist penetration by wind borne debris and falling objects.

Concrete safe room ventilation.

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. And even that has a layer of 2 foam on the outside before it was back filled. 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. High fire rating walls rated at 3 hours with 6 concrete wall thickness safe room considerations. It is pored concrete but like i said before this room is below the outdoor porch. The only place i would be concerned about moisture in the room is the ceiling.

Plan for ventilation issues in advance of building. The doors are typically made of high gauge steel tested to resist high wind forces and perforation by windborne debris. A dehumidifier should be run inside the vault room for at least a year or two following construction. 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.

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