Underside Roof Detail

A soffit is the horizontal underside of a roof overhang an archway a staircase a ceiling or a similar architectural component.

Underside roof detail.

From the italian soffitta for under and figgere to fix the word soffit dates back to the days of early palladian architecture. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. Foundation or floor ceiling assembly below to the underside of the floor or roof sheathing slab or deck above and shall be securely attached thereto. Most unvented attics incorporate spray polyurethane foam spf on the underside of the roof deck and attic walls.

This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4. A little more trivia. All the boards running along the edge of the roof or eaves. 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.

Attach 2 4 pressure treated purlins to spacer blocks sized to create a slope from front to back. The panels he used. Two noteworthy nrca details are in the chapter 10 details in the nrca roofing manual. The space under the roof.

Rune bought corrugated fiberglass panels at a home center to use for his under deck roof. Such fire barriers shall be continuous through concealed space such as the space above a suspended ceiling. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. Round up the materials for an under deck drainage system.

This detail provides recommendations for column height as a function of the width of the. Then screw the panels to the purlins. It is a waterproofing layer made of regular felt stacked above the solid. Detail for equipment support stands.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. Refer to the details.