Exposed Roof Decking Beams Detail

Roof sheathing exposed grade exposure notch rafter end rafter stops frieze block roofing lookouts trim.

Exposed roof decking beams detail.

Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. One of our favorites is harry gesner s house for john scantlin 1965 in which the structure of the single ridge beam is highlighted while its lateral rib like beams rise up and out toward the view. Refer to the details. Beam size assembly requirements deck beam spans shall be in accordance with table 3 and can extend past the post face up to l b 4 as shown in figure 3.

Open beam samples from. Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain. Our new smooth series cellular deck offers a blemish free beam to pan rivet. Exposing beams of wood metal and cement can reveal extraordinary architectural details.

If a nailer deck is applied above the exterior insulation the deck itself is good for the 0 5 so it s really r30 of actual insulation. Stately attractive and open. Desperately enough in fact to consider making the major step of pulling down ceiling drywall to expose joists above. Prescriptive residential wood deck construction guide 5 american wood council figure 1b.

That can be done with 5 5 of 2lb roofing polyiso recommended or 5 of foil faced polyiso. This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications. The exposed surface is available with either architectural or industrial appearance to fit a variety of project needs. Joist span non ledger deck.

With either you d be looking at a 1x8 for a roof edge facia board above the rafter beams. Exposed ridge beam collar ties or purlins as required and 6x8 douglas fir plate beams 6x8 douglas fir rafters and 2x6 kiln dried tongue and groove douglas fir western pine or western red cedar exposed plank decking with v joint to the underside. Joist span joists attached at house and to side of beam.