The precast concrete door frames can be customized as per the requirements designs and specification provided by the customers.
Concrete door frames.
Butterfly anchors snap in ship loose standard.
Insert the shims at the top of the door behind the topmost hinge.
Shape and dimension of precast frames.
The only diameter of tapcon that comes in a 4 5 or 6 length is the 1 4 diameter concrete screw.
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Be careful with the header size.
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.
Where specified a suitable groove for receiving wall plaster shall be provided.
Tapcon concrete screws for attaching door frames.
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Use a welded door frame not a knock down model.
Frame is punch and dimpled 4 dimpled holes per jamb 8 per frame.
Place a level against the hinge side of the frame to verify whether it is exactly plumb.
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.
If not slide shims between the concrete wall and the frame.
Can be used with existing block wall or exterior wood stud walls frame butts wall.
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Slide the frame back into the opening and press the hinge side of the door frame against the adjacent wall.
Offered by us at industry leading prices these precast concrete door frames are highly appreciated among our customers.
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.