Roof Eaves And Gable Ends

Wide especially when the eave overhang is less than 12 in.

Roof eaves and gable ends.

This is the portion of the roof that protrudes beyond the side of a house or building. If the lower section of the roof rafters or rafter tail extends beyond the exterior wall the projection forms an overhang or eave. I recently built a small outbuilding with a 6 in 12 pitch roof that offers a perfect example for showing the process i use to build eaves and rakes. The top edge of the board rests against the roof decking and the bottom edge covers the siding or brick.

T he eave depth frieze size and return depth this diagram illustrates one possible proportioning system for. Rafter a structural member usually slanted to which sheathing is attached. Avoid gable ends that are over 8 in. A gable roof consists of two sloped planes that meet at the ridge or peak and rest on the top plates of 2 parallel exterior walls.

Setting out a simple boxed eave return the corona height start with a corona between 4 in. For the arrangement of the gable end overhang for the standard roof you lengthen the ridge beam beyond the facade for previously verified length using cut rafters. Pitch slope the number of inches of vertical rise in a roof per 12 inches of horizontal distance. Refer to my architectural roof types blog.

An eave is defined as the edge of the roof that overhangs the face of a wall. The eave roof and gable. After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. In wood frame construction the primary structural members of a gabled roof frame are the ridge board and the rafters.

Joist in a flat roof a horizontal structural member over which sheathing is attached. One by 2 inch rake boards often cover the exposed top edge of the siding when there also is an eave overhang on the gable end. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. Then load bearing roof beams fixed to the trusses are extended in the same way.

In contrast a gable or rake is the overhang of a building that occurs on the side that is topped by a gable roof. It is designed for maximum effectiveness and aesthetics. To 18 in depending on the style of the building. Use larger rake boards such as 1 by 4 inch and 1 by 6 inch when there isn t an eave overhang on the gable end.

Rake the slanting edge of a gable roof at the end wall of the house.