Roof Eaves And Gable Ends

Joist in a flat roof a horizontal structural member over which sheathing is attached.

Roof eaves and gable ends.

This is the portion of the roof that protrudes beyond the side of a house or building. Refer to my architectural roof types blog. 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. 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.

Setting out a simple boxed eave return the corona height start with a corona between 4 in. Pitch slope the number of inches of vertical rise in a roof per 12 inches of horizontal distance. 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. Wide especially when the eave overhang is less than 12 in.

Thick and the overhang from the side wall set between 12 in. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. In wood frame construction the primary structural members of a gabled roof frame are the ridge board and the rafters. Start with the rafter tails the main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.

To 18 in depending on the style of the building. Then load bearing roof beams fixed to the trusses are extended in the same way. The eave roof and gable. It is designed for maximum effectiveness and aesthetics.

Rake the slanting edge of a gable roof at the end wall of the house. Avoid gable ends that are over 8 in. In contrast a gable or rake is the overhang of a building that occurs on the side that is topped by a gable roof. If the lower section of the roof rafters or rafter tail extends beyond the exterior wall the projection forms an overhang or eave.

T he eave depth frieze size and return depth this diagram illustrates one possible proportioning system for. After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. Rafter a structural member usually slanted to which sheathing is attached. The top edge of the board rests against the roof decking and the bottom edge covers the siding or brick.

An eave is defined as the edge of the roof that overhangs the face of a wall.