For a professional installation you want to select frame anchors that best match your construction methods, and we can support them all! Find the most common anchoring methods listed below (or print them out here), or contact us about any anchor option not shown here.


Base anchors, welded in the throat of the frame, attach the base of each jamb to the floor

Base (adjustable)

Adjustable base anchors give you installation flexibility when the substrate is lower than the finished floor.

Base (inverted)

This base anchor fastens the frame to the floor from the opening side, when rear access is limited.

Base clips

Base clips are a cost effective and flexible solution for anchoring drywall frames.

Base hole

This hole, punched and countersunk into the face of the frame, is for a screw to anchor the base of the frame.


Add EMA bolts or wood lag screws to your order so your frames arrive ready for the installer!


Compression anchors secure KD drywall frames in existing wall openings.

EMA: butterfly

Butterfly anchors are used with bolts for anchoring frames into existing masonry openings.

EMA: pipe sleeve

These inverted channels guide and protect bolts used to anchor the frame to an existing masonry opening.

EMA: top-hat

This anchor prep guides bolts or lag screws to the rough opening structure.

Lead Lined Combo Strap

Special anchors for lead-lined frames that assure maximum radiation protection.


Used with KD frames to correctly locate and secure mullions within the elevation.

Mullion base

Mullion base anchors are secured to the floor and hold vertical mullions in place.


Multipurpose anchors have attachment points for wood studs and steel studs.

Punch & dimple

Punched and dimpled frames can be bolted or screwed to the underlying structure.

Punch face

Punch face (with optional slots) is frequently used on no-return frames to fasten directly to the rough opening structure.


Sill anchors clipped to the floor lock a sill in place when panes or panels are installed.

Steel stud

"Z"-shaped clips welded in the throat of jambs for attachment to steel studs in the rough opening.

Strap (adjustable)

Adjustable strap anchors simplify installs in new masonry construction.


"T" anchors can slide up and down in the jambs to easily locate anchors at the height of the masonry blocks.


Wire anchors slide down the jamb throat to be embedded in mortar joints of new masonry construction.

Wood stud

Straps welded on each side of the throat anchor to wood studs in the opening wall.

Wood stud and steel stud anchors

Wood stud anchor straps added to a steel stud anchors give installers 2 anchoring options.