Bullet resistant security door
View Patent ↗A security door that impedes or resists the penetration of bullets or other projectiles is provided, which may be used to protect the occupants in a room from threats outside the room by providing a bullet resistant entry door for the room. The preferred embodiment of the bullet resistant security door includes a threat-side outer surface or layer, a first core layer, bullet resistant ballistic layer, a second core layer, an armor layer, and a safe side outer surface or layer and is sufficient to meet the requirements of the Level 3 Protection Level of the UL 752 standard.
1. A security door comprising in order of sequence from a threat side to a safe side of the door:
a threat-side outer surface comprising wood veneer;
a first core layer comprising structural composite lumber, wherein the first core layer is adhered to the threat-side outer surface with an adhesive;
a bullet resistant ballistic layer, wherein the bullet resistant ballistic layer is adhered to the first core layer with an adhesive;
a second core layer comprising structural composite lumber, wherein the second core layer is adhered to the bullet resistant layer with an adhesive;
an armor layer, wherein the armor layer is adhered to the second core layer with an adhesive; and
a safe-side outer surface comprising wood veneer, wherein the safe-side outer surface is adhered to the armor layer with an adhesive.
2. The security door of claim 1 , wherein the first core layer and the second core layer comprise high density fiberboard.
3. The security door of claim 1 , wherein the bullet resistant ballistic layer comprises bullet resistant fiberglass.
4. The security door of claim 1 , wherein the armor layer comprises a high strength metal.
5. The security door of claim 4 , wherein the armor layer comprises steel.
6. The security door of claim 5 , wherein the armor layer comprises a 16 gauge steel sheet.
7. The security door of claim 1 , further comprising an outer frame, wherein the outer frame comprises a top rail, a bottom rail, and two stile edges.
8. The security door of claim 7 , wherein the top rail, bottom rail, and stile edges comprise hardwood.