Garage Door Lintel Detail

This technical note provides the engineering basis for installing up to 8 feet of brick veneer over both single and double garage door openings.

Garage door lintel detail.

Flashing needed for garage doors the requirements for flashing garage door openings are simple. Lintel 65 mm requirements for flashing as for other door and window head details. The primary cause of a sagging lintel is poor design. Figure 1 garage door head detail with masonry veneer cladding and infill panel over the door.

As this size fluctuation happens over the years the weight of brickwork above a garage door puts pressure on the structure at its weakest point the middle. Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage. Sagging garage door header lift system the lintellift system is a patented product that ensures garage door lintels or headers won t sag. A loose lintel i e.

Many home builders will not build in the necessary allowances for the expansion and contraction of the lintel over time. Garage lintel replacement is becoming more frequent as homes and buildings age. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.

Attach lumber to the face of the garage wall to the edge of the garage door header 7. The steel used to support brick or stone work above doors and openings is called a lintel. Without intermediate support bearing only on masonry at each end is allowed in the national building code and this is incorporated in the table below. Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to.

After years of water infiltration and weathering the steel of the garage lintel begins to corrode and fail requiring a garage lintel replacement. Figure 3 garage door head detail with bevel back horizontal weatherboard cladding over a cavity. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. The inspector noticed that a steel plate acting as lintel beam is running over the garage door to support the brick layer above but it ended up 3 inches short on one end.