To Add a Doorway to Concrete Block Wall, you have to Mark the opening for the door on the concrete wall with chalk according to the dimensions listed in the installation instructions on your door. You need to keep the opening one inch taller and two inches wider than the frame. After that, Measure and mark the steel lintel along the top of the taped marks. You must keep it six inches above the top chalk line. You should extend these marks past the frame on either side by six inches.
You have to make sure the marks are straight and level using a carpenter’s level. Then, Drill a hole through the wall at each corner of the marked outline using a 12- or 16-inch-long masonry bit depends on whether your wall is eight or twelve inches thick. You can find these holes on the outer wall and join them with chalk to form the outline. Next, use your safety equipment and clear the area of bystanders. You have to cut the opening for the door along the marked lines using a circular saw and masonry saw blade.
You need to Grasp the saw firmly in your hands and score the lines 1/2-inch deep for the door opening. You must continue this process to cut along the marked lines on the wall. Forth, Step outside and repeat the process to score the opening along the lines. You should Form a 1/2-inch cut through the wall at each pass. After that, step back inside and knock the concrete block wall down along the scribed lines using a sledgehammer.
You can Work carefully so you do not damage the blocks surrounding the outline. Then, Tap the sides of the opening with a chisel to create a smooth edge along each side. You have to Wedge the steel lintel into the top of the opening until it forms a snug fit. Next, Measure the height of the openings along the metal frame and transfer these to either side of the wall hole. Forth, bore pilot hole through the marks.
You need to hold the frame within the opening. You must make sure that it is centered between the block wall on either side. You should insert the bolts for your anchors into the openings. After that, hammer the anchors into the openings along the frame until their heads fall flush with the surrounding section. Then, secure the hinges to the door using the hardware provided with the door kit.
You can install the door in the opening according to manufacturer’s directions. Next, install the door handle according to manufacturer’s directions. You have to caulk the gap between the concrete block wall and frame.