Roof Outlooker Detail

Let s say i have all the details right for proper venting in the main rafter bays.

Roof outlooker detail.

Made from heavy duty yet lightweight polyurethane our outlookers resemble real wood structural pieces but are weatherproof and maintenance free. For outlookers the supports are the gable truss or rafters and the first truss or set of rafters back from the gable truss or rafters. A ladder type overhang detail also can be used with the concrete rake beam where the beam is constructed to the same height as the trusses similar to that shown for the cut masonry rake. Joe norm posted in general questions on february 27 2019 10 00am question concerns a vented cathedral roof.

View the following detail guides. Roof truss repair details. Failure of these connections can lead to the loss of a whole section of the roof at the gable end. 89 mm lower than the trusses so that a pressure treated 2 x 4 38 x 89 mm can pass over it.

Contact mitek engineering support for any questions. Then the barge or fly rafter is attached to the end of the cantilevered outlooker. And the line length measurement from the roof peak to the building wall is the hypotenuse. If a truss roof is used with this method the gable truss is manufactured 3 shorter than the others.

The rise or height of the roof at its peak is the altitude of the triangle. The run or half the building span is the base of the triangle. To determine exactly what the rafter tail will look like i always make a full size drawing on a scrap of plywood of all the eaves elements including framing and finish materials see illustration above. If the gable end ov erhang uses the ladder detail method of construction and the length of the ov erhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the ov erhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing.

Some of these standard details may be sealed upon request. Molded in high density polyurethane these products will not rot split warp or crack and are impervious to moisture and insects. These support points are identified for one outlooker in the figure shown above. Gable end overhangs constructed using the ladder detail.

Reinforcement that is continuous with the bond beam reinforcement in the side walls is placed in the top of the beam. Faux wood outlookers are lighter more durable and more affordable than wood with the same great look. Outlookers sometimes called outriggers are an extension of a rafter beyond the wall line. In this detail an outlooker type overhang is shown where the rake beam is constructed 3 in.

The main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.