Roof Eave Length

Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12.

Roof eave length. Includes result for hip valley factor slope factor and the roof slope in degrees. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. 29 gauge galvalume gr2 gable rake flashing in gray. The roof overhang length must be properly engineered to resist wind uplift.

For example if the roof rises 4 feet and the span is 16 feet twice the run then the pitch is 4 16 or 1 4. Pitch is the incline of the roof represented as the ratio of rise to the span twice the run. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. If you plan to have overhang etc.

It is often compared to slope but is not exactly the same. To accurately calculate the area of your roof you must first determine its slope or pitch. By gibraltar building products 17 95. This is particularly true in geographical regions where high winds are a common issue.

The eaves may terminate in a fascia a board running the length of the eaves under the tiles or roof sheets to cap off and protect the exposed rafter ends and to provide grounds on which to fix gutters. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building. 29 gauge galvalume ef3 eave flashing in white. Multiply the gutter length by four if the eave is roughly one foot by five for a two foot eave and by six for a three foot eave.

Measure the length of the gutter where you want to stretch the cable then figure out how far to the nearest foot the eave extends beyond the exterior wall of the home. Roof base length width how roof pitch is calculated. The length of the overhang depends primarily on the climate. The siding underneath the overhang is known as the soffit.

Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Drip edge flashing. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length.

The rafter member will be longer.