ARCH 3007 Exam 3 - Roofing

Horizontal member spanning from wall to wall

Resists outward thrust from rafters

Holds up ceiling

Joist like framing member that runs at a slope

Board against which ends of rafters are fastened.

short wall under the slope of a roof

slope of a roof or plane, expressed in inches of rise per 12” of run

Can cause problems with water drainage

can be difficult and dangerous to install or repair

trough formed by the intersection of 2 roof slopes

Diagonal ridge formed by the intersection of 2 roof slopes

Common rafter cut to meet diagonal of valley or hip rafter

Lower/outer end of roof projecting beyond the exterior wall (8”-2”)

Vertical face of eave

Underside of eave

Screened opening to allow air to enter ti ventilate attic

On gable end for venting hot air

A long ridge for venting hot air

Exhausts air brought in thru soffit vents

Curved, Spanish, flat interlocking, flat shingles

Use to be made by curving around peoples thighs

Wood shakes - split

Wood shingles - cut

Corrugated, galvanized steel, aluminum, copper, zinc

A deck or sheathing to attach to

Beams or purlins

Aren’t actually flat

Minimum slope is ¼” per ft

Rain goes to internal drains or exterior scuppers

Accumulation of water on roof and can lead to catastrophic failure

Low protective wall along the edge of a roof, bridge, balcony

Ply sheets asphalted together

Asphalt on a rubber membrane

Attached with glue too

Thermoplastic polyolefin

Single thing rubber sheets

Mechanically attached or glued down

Seams “welded” together