Structural Systems - Roofs

These reports show market demand data for residential new home building products, average per-home purchase data, market size, and a five-year forecast for the new residential construction industry. The Structural Systems for Roofs report contains a summary of purchase volume in square feet for a variety of roof framing, roof rafter, and roof truss materials in each State, Metro Area, and County. Market data are also reported separately for Single-Family Detached homes and Multifamily. Product categories reported include:

ROOF SHAPE
(Square Feet of Roof Footprint)

Gable
Hip
Gambrel
Flat
Other

ROOF SHAPE
(Dwellings)

Gable
Hip
Gambrel
Flat
Other

ROOF PITCH
(Square Feet of Roof Footprint)

Flat to 1/2 / 12
1/2 / 12 TO 4/12
5/12 or 6/12
7/12 or 8/12
9/12 or 10/12
11/12 or greater

Average Roof Slope
(Inches Rise per Foot Run)

CEILING TYPE (Square Feet of Living Space Under Ceiling)

Cathedral
Flat

TYPE OF ROOF FRAMING
(Square Feet of Roof Footprint)

Rafters
Trusses
Truss / Rafter combination
Structural Insulated Panels
Beam & purlin
Other

TYPE OF ROOF FRAMING – TRUSS / RAFTER COMBINATION DISTRIBUTED
(Square Feet of Roof Footprint)

Rafters
Trusses
Structural Insulated Panels
Beam & purlin
Other

ROOF RAFTER MATERIAL
(Square Feet of Roof Footprint)

Lumber
I-joists
Steel

ROOF TRUSS MATERIAL
(Square Feet of Roof Footprint)

Lumber (standard)
Lumber (raised heel or energy truss)
I-joists
Steel

SPECIES OF ROOF RAFTER
(Square Feet of Roof Footprint)

Southern yellow pine (SYP)
Douglas fir
Douglas fir or hem-fir
Hem-fir or other western woods
Spruce / Pine / Fir (SPF) or eastern spruce
Other
Don't know

SPECIES OF ROOF TRUSSES
(Square Feet of Roof Footprint)

Southern yellow pine (SYP)
Douglas fir
Douglas fir or hem-fir
Hem-fir or other western woods
Spruce / Pine / Fir (SPF) or eastern spruce
Other
Don't know