Framing Overhang Roof

Roof framing rafter layout.

Framing overhang roof.

Over hangs are recommended to not exceed three feet out. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. I ve used this method when i ve had trouble slipping in the rafter extensions with this method the rafter tails. For slanted roof sheds overhangs add character and facilitate proper drainage.

This will the first point of the rafter measurement line. Measure down y height from the long point of the rafter cut and make a mark. Due to the shed s design a significant amount of rain runs off the rear of the shed. This can be from two causes.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Finish the eaves framing after ripping the top of the subfascia with a circular saw set to 26 5 degrees i flushed the top ripped edge with the top of the plumb cut on the rafters and screwed the subfascia to the rafter tails. An overhang no matter how big or small keeps the sun and rain away from the house. Uplift of roof decking at the overhang.

On both ends of the roof i let the subfascia run out beyond the anticipated width of the rakes. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles. The other common wind related failure at gable ends is uplift of the roof decking at the overhang. You need to measure the area where you will be adding the overhang and buy to fit your specific project.

This video will. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it. If you are unsure of how to measure for your overhang framing ask for help at your local hardware store.

It also protects a home from snow and sleet and provides overall safety from the elements. Framing a roof is the last step in framing new construction. A rake on the gable end of the roof can be created with the construction of additional roof framing. Again have the helper hold the rafter extension in place and gauge the distance of the overhang while you hold the extension against the rafter and the roof sheathing and nail it to the existing rafter with a framing nailer.

If narrow overhangs are all you need say 8 in. Or less you might try a technique that bob syvanen wrote about in dummy rafter tails way back in 1985. Make sure to purchase weather resistant materials.