Part Of Building Directly Under The Roof

Improper selection of the roof underlayment may allow.

Part of building directly under the roof.

If the cavity between the rafters trusses is filled with insulation and is air tight like the walls you will need a vapour barrier. It is a waterproofing layer made of regular felt stacked above the solid. The attic must be ventilated to protect the roofing system against excessive heat in summer and warm moist air generated by the house in winter. The lower part of the roof.

The spray foam in the cavities 17 years ago and the fully adhered membrane over the top. The roof primary structure. Ridge the top peak of a gable roof running horizontally where two sloping sides meet. A roof does get hotter than the walls in the summer but doesn t matter at least in colder climates.

Cornice the wood or metal finishing at ends or edges of a building including a fascia frieze or rake. The metal roofing system and its expected service life the climate at the building location roof slope and geometry and ambient conditions temperature relative humidity within the building. Gable the triangular part of a wall where roof pitches meet and come to a peak. Starting on the left side of the roof at the eave place the first full shingle strip directly over the starter course at the eave and rake edges.

Built up roof a low slope or flat seeming roof covered with alternating layers of roofing felt and hot mopped asphalt and topped off with a layer of gravel. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. A measurement of roof area that equals 100 square feet an area 10 feet by 10 feet. This ensures complete coverage and gives the finished roof an attractive visual pattern.

This occurs on pitched roofs with sloping planes that join along their. A roof is designed to be water tight and properly constructed and maintained it will be. I did the first part right. 1 strip the shingles expose the deck install a fully adhered membrane and go to town with rigid insulation.

Like a puzzle each part works with the others to enhance the strength and security of the roof while providing flexibility for design options. The same roof has a 4 12 or 1 3 pitch. Every part of a roof has a specific purpose to ensure protection of a house from the elements. Long term in service roof performance can be affected by several important factors including.

Counterflashing the flashing that is embedded or. Hip a downward sloping junction of the roof where sloping sides meet. The pattern is begun in this manner. 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.

I just didn t get around to doing the second part rigid insulation over the top of the existing roof deck. Depending on the style components of a house roof may vary beyond the basic parts.