ROOFING LINGO

COURSE a row of shingles running the entire length of the roof

EAVE lower edge of roof slope overhanging the face of the exterior wall

EXPOSURE amount of roofing material surface exposed to the weather

FASCIA long, broad board used to cover joints, such as along ends of roof rafters at eaves

FI,ASHING metal or roll roofing cut to size used to prevent water seepage at roof joints and improve drainage

GABLE triangular-shaped endwall lormed at each end of a gable roof

GABLE ROOF two sloping roof surfaces joined along a horizontal ridge line

HIP RIDGE external angle formed by two sloping sides

HIP ROOF sloping roof surlaces on all four sides

PITCH incline of a roof expressed as a fraction of span over rise

RAKE the inclined edge of a gable roof at the endwalls

REROOFING application of new roofing materials over an existing roof

RIDGE peak of roof; where two roof slopes meet

ROOF DECK foundation for roofing materials

ROOFING application of roofing materials to a roof deck

SHEATHING wood boards or plywood panels nailed directly to rafters to serve as a roof deck

SLOPE incline of a roof expressed as a ratio of rise to run

SOFFIT cover for underside of, rafters at eaves

UNDERLAYMENT overlapping courses of roofing felt which cover sheathing

VALLEY internal angle formed by junction of two sloping sides

Traditionally, shakes and shingles have been made of cedar, featuring a service life of about l5 years. They aren't fire resistant unless treated, and then they have a Class C fire rating.

Story at a Glane

Roofrng types to stock and suggest br youl customors dllfercnces In cost, durabllfi, malntenance rcqulrcd, eervlce llb, attractlveness' dlfllculty of Installafon.

Now increasingly popular are pressure treated southern yellow pine shakes. They are more affordable than cedar and have a service life of 35 years and longer.

To reduce installation time, wood shingles are also available in the form of roof panels, with l6 shingles bonded to an 8 foot long plywood base. A 12" x 48" hardboard roof panel with the surface designed to resemble individual cedar shingles is also offered.

Kiln-dried red clay or concrete extruded tile roq/s won't deteriorate, wear or require painting. They are lireproof with a service life of 50 years and up. Individual tiles may crack, split or become brittle, in which case they are easily replaced.

They are about twice as expensive as asphalt shingles, heavy, expensive to ship and difficult to install. They must be installed over a strong roof framework.

Slate rooJs are even more expensive than tile roofs and just as heavy, difficult to install and expensive to ship. Naturally, they also require an equally strong or reinforced framework and are almost always installed by professional contractors specializing in this type of roofing.

Slate roofing is durable, non-

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