Hollow Metal Door Frame Jamb Anchors

In new block walls the frame is fastened to the floor at the base anchors and either wire masonry anchors or t anchors are used.

Hollow metal door frame jamb anchors.

6 3 1 frames may also be supplied with anchors welded in place. 6 5 where possible one jamb should be butted tightly to the wall. These are welded or screwed into the bottom of both jambs. Hollow metal door frames are commonly used in commercial and institutional buildings.

These are supplied either 6 or 8 to a frame and simply clip into the inside of the frame behind the single backbend and are laid in between the rows of block. 6 6 1 drill appropriate size hole per fastener. Standard hollow metal door frames are constructed from 16 gauge roll form steel but can also be manufactured in 14 gauge or 12 gauge metal thicknesses. The base anchors have holes pre drilled so you can fasten the frame to the floor.

A welded hollow metal door frame can be used for both interior and exterior applications. Custom hollow metal frames we fabricate custom hollow metal frames to fit any size opening including borrowed lite sidelite and transom frames of any profile. Frame anchors rough opening sizes welded versus knockdown frames frame profiles and jamb depths are covered in detail as well. Slip on kd drywall frames 2.

The stirrup or yoke is welded to the back of the jamb soffit. Stud anchors are often shipped loose with the frames or they can be welded into the jambs. 16 gauge steel fire rated up to 3 hours. Basics are covered and details on hollow metal door cores fire ratings wind load testing galvanizing door levels and models are too.

The diagrams below show metal door frame anchors based on the type of framing used. Hollow metal frame applications for existing openings. The adjustable strap and stirrup type is normally used on hollow metal frames and is approved for use on fire rated frames. 6 6 use tapered shims between anchors and wall and spreaders to maintain squareness and alignment of frame and to maintain door opening sizes.

Hollow metal door frames are available with a wide range of anchoring options to accommodate varying wall conditions and can be used with steel doors or commercial wood doors. Frames are available in virtually any jamb depth or profile and can be welded or made as knocked down frames. Frames are installed after a majority of the studs are in place but before the gypsum wall board has been installed. Flush mount frames with punch dimple anchors.

There are hollow metal frame anchors that are specifically used for each wall type and there is also a combination anchor that can be used for either type of stud. It is critically important as stated above that one anchor be placed near the top of each jamb another near the bottom. Welded corners provide a smooth seamless appearance. Frames are assembled squared welded ground smooth and prime painted.