How To Trim Roof Rafters For Rain Gutters

A horizontal piece of timber or metal installed on top of the rafters.

How to trim roof rafters for rain gutters. Horizontal beams fixed under the rafters. Rain gutters should be attached to the fascia and run the entire length of the roof ending with a downspout. Cut the board into 3 ft 0 91 m sections with a reciprocating saw. To ensure that gutters drain properly make certain they slope inch for every 10 feet toward a downspout.

Horizontal beams that sit on top of the rafters. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Boards under the high point and just above the roof framing. The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut.

Mark out 3 ft 0 91 m sections along your fascia board with a pencil. If the gutter run measures longer than 40 feet 12 2 m it should be positioned to pitch down from the middle aimed toward a downspout at each end. Rick arnold frequent contributor to fine homebuilding and the journal of light construction presenter at jlc live the katz roadshow the remodeling show. When you cut the rafters you ll need to make 3 separate cuts.

I need to put continuos gutters on a 12 4. Square cut rafter tails 2x6 facia no soffit. Make vertical cuts into the fascia board between your roof rafters. Cut out each 3 ft 0 91 m section one at a time until you ve removed the full board.

The roof rafters provide integral structural support to the roof. Two thoughts i am thinking of making a triangle trim to nail onto the entire facia about 1 2 up from the bottom to make the gutter plumb or just nailing some square stock where the bottom of the gutter will land. At the ends of the gutters are 4 inch diameter corrugated aluminum downspouts 1 75 per linear foot which were ordered in white to match the house trim.