Where specified a suitable groove for receiving wall plaster shall be provided.
Concrete door frames.
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It should be the same size as your old one and should be approximately 1 inch smaller than the opening in both height and width.
Be careful with the header size.
This is a smaller diameter than the sleeve anchor but is used by many door installers for this application.
These are fire blast radiation theft and impact resistant.
The precast reinforced concrete door and window frames shall be 60 x 100 mm or 70 x 75 mm in cross section for single shutter and 60 x 120 mm for double shutter door cross section generally conforming to figure 2.
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The only diameter of tapcon that comes in a 4 5 or 6 length is the 1 4 diameter concrete screw.
Tapcon concrete screws for attaching door frames.
Shape and dimension of precast frames.
A standard metal frame has a 2 inch header but many masonry frames have 4 inch headers to allow them to match the masonry coursings.
Use a welded door frame not a knock down model.
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