Our 300 Series has a full-sized outside frame (jamb). The 300 Series full frame accepts a 2" x 4", is pre-punched with mounting holes, and has 4 heavy duty steel hinges making it a contractor's favorite.
- 4", 8", or 12" pre-punched installation holes.
- 4 Steel hinges riveted to outer frame for 4' doors.
- Extra heavy duty 3-1/2" extruded aluminum frame with miter cuts welded at corners for strength.
- Serves as an integral jamb.
- Solid rigid foam with waterproof PVC perimeter and lock block that accommodates locksets & deadbolts.
- Adjustable steel striker plate for door lock & deadbolt.
- Heavy duty extruded aluminum surround channel inner frame with miter cut corners Welded together.
- Bulb vinyl weather seal.
- Standard sizes include 3' x 6' 8" & 4' x 6' x 8".
- Made in the USA.
Applications include poultry house, square post buildings and storage buildings.