Common Framing Terminology
Posts
A vertical member of steel or aluminum that supports the weight of a raised structure on a foundation.
Rafters
A sloping frame member that runs from the ridge to the eave and supports the roof decking material.
Purlins
A horizontal framing member spanning between beams or rafters to support a roof deck.
Tie Block
The central frame component at the peak of a hexagonal, octagonal, square, or round structure that connects all the rafters, also known as a compression ring.
Tubular
Refers to the hollow, round or square, frame components used in fabrication.
Ridge Cap
The trim component used to conceal the roof panels where they meet at the ridge, doubles as flashing and can be made from either extruded aluminum or bent metal, depending on the roof panel being used.
Fascia
Trim pieces that are used on the perimeter edge of the roof line to finish the edge of the roof panels.
Guttered Fascia
Extruded aluminum trim pieces used on the lower eave edge of the roof line to finish the edge of the roof panels and provide directional water control.
Common Roof Panel Terminology
Peak/Ridge
The highest point of a gable/shelter.
Pitch
The ratio of the vertical rise of the roof in comparison to the horizontal run of the roof. 4:12 is a common pitch for many of our shelters, but optional pitches are available.
Eave
The lowest point of the roof line that overhands the walls/posts.
Gable
The triangular end of a shelter, formed at the end of a pitched roof, from eaves level to ridge/peak.
Roof Panel Options
24" Aluminum Structural "W" Panel
36" Galvalume® 26 Gauge 'R' Panel
18" Galvalume® 24 Gauge Standing Seam Panel
10" Aluminum "V" Panel
8" Aluminum Structural Flat Panel
6" Aluminum Extruded Flat Panel
Color Options
Powder coat finish available in all standard frame colors.
