No, an adjustable base anchor is not supplied on frames with existing opening anchors.
The anchor design for use in existing masonry walls, is a pierce and dimple in the frame soffit for 3/8"...
For both DW and K-Series Drywall Slip-on frames, Steelcraft locates the compression anchor in the jamb soffits approximately 4" down from the head on each jamb. Regardless of door opening height:
...
The following anchors are approve for use in FEMA Tornado Resistant openingsMasonry walls:Jamb anchors - Wire masonry
anchorsSill (base) anchors - Adjustable base anchorsExisting walls:Jamb an...
Yes, an additional jamb anchor can be used at the bottom of the frame in lieu of the typical (adjustable or weld-in) base anchor in fire rated frames.
This is limited to the anchor designed for...
Security anchors are used in DW/K frames located directly above or below strike preparation on door side of frame. Because there are only two points of anchoring, the compression anchor near the he...