Concrete Door Frames
System Components		Initial Cost Structure
Critical Factors		Tools Used
1. Curing 2. Quality of sand for concrete 3. Provision of holes at the right place for fixing door shutters 4. Holes for fixing the door shutter		1. Trowel 2. Wooden float 3. Straight float
DO'S		DON'T'S
1. Frames should be cured for 14 days 2. Mortar should be used within 30 minutes of adding water to mix 3. Frames should be stacked properly		1. Cavities should not be left in the frame during casting 2. Fine sand should not be used 3. Excess water should not be added to the concrete
Construction Process
Take measured quantities of cement, sand, and aggregates and mix the concrete	Clean and assemble the mould	Place reinforcement in the mould and fill concrete	Insert a PVC pipe at the center of the post to fix door latch
Compact the concrete with trowel to get uniform thickness to the framebr>	Remove the mould	Finish the edges with straight edge	Finish the edges with wooden float
Clean the concrete from the PVC pipe provided for the door latch	Make hole on post to fix door hinges	Cure the frames for 14 days	Stack the frames
Erect RCC door frames in the house	A house with an RCC door frame	A House with RCC frame and wooden shutters