Roof Ridgeline Definition

In simple language the ridge of a roof is the peak where two opposing roof planes meet.

Roof ridgeline definition.

The vertical change in height per unit of horizontal distance or run. When crouched or standing in the attic the horizontal boards below your feet are the ceiling or roof joists. The horizontal line in which the tops of the rafters of a roof meet. The line that the edge of the roof makes against the sky.

Normally a roof span is the same as the building width between the outer edges of the wall top plates. For other owners structures lifetime coverage is not applicable. Getting a little more technical the national roofing contractors association defines the ridge as the highest point on a roof represented by a horizontal line where two roof areas intersect running the length of the area. For example a 3 12 roof has a unit rise of 3 of height increase or rise per.

The main purpose of a roof ridge vent is to optimize airflow under the roof. I ve had major ice dam problems the past two winters due to the ridge vents being completely block by 1 3 of snow for weeks at a time. Once installed on the ridge line and possibly covered with shingles the vents are inconspicuous. I had to completely replace the ceiling in my master bedroom last fall only to see it get.

1 lifetime refers to the length of warranty coverage provided and means as long as the original individual owner s of a single family detached residence or the eligible second owner s owns the property where the qualifying gaf products are installed. The back of an animal. A line formed along the highest points of a mountain ridge. Unit rise is a is a snonym for slope or roof slope.

Definition of roof span. Framing terminology for a roof line can be reduced to a simple triangle. The long and narrow upper edge angle or crest of something as a hill. Any raised narrow strip as on cloth.

A roof ridge vent is a fixed vent installed on the ridge of a roof to ensure proper air ventilation within the house or building. An area of higher ground separating two adjacent streams or watersheds. A line marking or following a ridgetop examples of ridgeline in a sentence recent examples on the web two firefighters with the marin county fire department were battling the fire at point reyes national seashore when they were trapped on a ridgeline with flames advancing. Ridge vents are typically made of metal.

A long narrow elevation of land as a chain of hills.