Working on the Interior

Filed Under: Do it yourself, Home repair, Redecorating, Remodeling    by: ITC

Wearing protective clothing, (especially the goggles), carefully cut away the plaster from within the lintel outline to expose the masonry below. Remove the bricks or blocks by cutting through their mortar joints and lifting them out. If any above the slot should drop, remove these and keep them for replacement later. Retain any whole bricks from the slot for possible reuse.

Lift the lintel into place, bedding it on mortar (3 parts soft sand: 1 part masonry cement) laid on the “bearings” at each end of the slot. It is best to get the help of an assistant with lifting the lintel, especially when lifting weights above the head. Make sure the lintel is level and, if necessary, pack it out below the ends with tiles or slates.

Finally, fill any spaces around the lintel with more mortar and replace any bricks or blocks that may have dropped out at the slot-cutting stage. If the wall is constructed of blocks, bring the lintel up to the height of the adjacent blocks by laying a course of bricks on top, and mortering them in place.

Leave the mortar to set for at least 24 hours, and preferably 48. Then remove the needle and wood supports. Fill the needle holes with brick offcuts and mortar. Lever off the baseboard and place it to one side for cutting down later.

Remove the plaster inside the outline of the opening to expose all the masonry below. Using a light sledge hammer and bolster chisel, cut this out by chiseling through the mortar joints, carefully working down the wall one course at a time. Because of the bonding pattern used, you will find that on alternate courses you will have to cut through bricks at the sides of the opening. Do this as you come to them. driving the chisel into their faces and levering them out from below to leave a straight edge to the opening. Remove all the bricks from the opening.

Trim off the masonry flush with a solid floor, or jus: below a wooden one. In the latter case, join the tv,-: floors by screwing battens to the joists then fit a piece of plywood or short pieces of floor-board on top neaten and close the gap.

The frame can be held in place with either galvanized metal ties mortared to the wall, or by screws and wall plugs. If ties are to be used, you need three per side. Cut recesses in the sides of the opening for the ties. If you intend screwing the frame to the wall, drill screw clearance holes in it and offer it up so these can be marked on the wall. Drill and plug the holes.

Set the frame in place, packing out the sides as necessary with wood offcuts to set them vertical. Then either fill the tie recesses with mortar and brick offcuts or insert the screws.

Fill in the gaps round the frame with more mortar and offcuts and trowel a thin layer of mortar over any exposed masonry at the sides and top before refinishing the plaster.

Finally, nail lengths of molding around the frame, mitering the corners, and trim and refit the base boards to the base of the wall.

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