NWSS carries premium blast doors and vault doors directly from the producers Northwest Shelter Systems LLC (NWSS) a nuclear bio-chemical blast door manufacturer. NWSS nuclear blast doors are proudly made in U.S.A and utilized in civil defense and military bomb shelters, all doors exceed industry standards. These bomb shelter doors are fire, impact and blast resistant, and built out of steel reinforced concrete (concrete filling of the underground bunker doors is applied after the positioning on the construction site). We carry standard sizes (80in x 30in with your choice of 6-8-10 or 12 inch thickness) custom sizes are available upon request. Our blast doors can be manufactured large enough to drive semi trucks and heavy equipment through them. Although our NBC doors are a little more expensive, you won't find a safer or better quality blast door. please contact us at www.northwestsheltersystems.com or
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