Roof Deck Framing Details

Roof deck rib openings are usually narrower than floor deck rib openings.

Roof deck framing details.

With single course applications nails are driven one inch above the butt line of the succeeding course. Additional construction details drawings. Roof sheathing engineered roof trusses wi overhang roof apron gutter downspout system cont 2x8 rough fascia cont 2x2 soffit framing f i fascia vented soffit system eave. This provides adequate sup port of rigid thermal insulation board.

Two nails are used for widths up to 8 inches. Deck framing detail pdf. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.

Enter your search terms submit search form. As with other decks guardrails must be a minimum of 36 inches high infill balusters less than 4 inches apart and the whole assembly strong enough to resist a 200 pound horizontal load or 20 pounds per linear foot depending on the local code. Roof deck acts alone in transferring horizontal and vertical loads into the building frame. Deck post ties dpt5 dwg.

Framing the roof whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Some key details for a leakproof rooftop deck are. The project illustrated here was a com plete teardown and rebuild so i framed the roof with 2x8s spaced on 16 in. Deck post ties dpt5 pdf.

In double coursing the under course is attached to wood sheathing with three nails or staples. For wider shingles and shakes three nails are used. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. Epdm is the best choice for most rooftop decks.

Autocad details dwg and dxf formatted cad detail files available for free viewing and downloading. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. Photo by dave holbrook. Because these 2x8s were also.

Centers supported by a beam and a ledger as on most decks.