Roof vents these enclosed structures made of metal or plastic feature openings and fins ensuring that the attic space is properly ventilated.
Bottom of roof called.
Slope a roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run.
The rake is the edge of the gable roof that runs parallel to.
The installation begins at the bottom edge of the roof and each layer of underlayment is rolled with a significant overlap which helps water to shed downward without seeping through the seams.
There are also shingles that are called dimensional even though they are made from a single material not two materials laminated together.
This type of roof must be installed using an ice leak barrier instead of felt paper or a sealed roof.
Rake the slanting edge of a gable roof at the end wall of the house.
Rafter a structural member usually slanted to which sheathing is attached.
It is attached directly to the decking along the bottom of the roof slope and above the underlay on the sides of the roof.
Pitch slope the number of inches of vertical rise in a roof per 12 inches of horizontal distance.
A roof with a pitch having two or three feet of rise over a 12 foot run 2 12 or 3 12.
The same roof has a 4 12 or 1 3 pitch.
A measurement of roof area that equals 100 square feet an area 10 feet by 10 feet.