Metal Roofing and Siding Glossary

Terms that can help you with new metal roofing and siding

Closure Strip: A strip, formed to the contour of ribbed panels and used to close openings created by ribbed panels joining other components, either made of resilient material or metal.

Eave: The line along the sidewall formed by the intersection of the planes of the roof and wall.

Gable: The triangular portion of the endwall from the level of the eave to the ridge of the roof.

Purlin: Hat Channel material attached horizontally across the roof section of the framing members to add structural support to roof coverings and carries loads to the primary framing members.

Girt Hat: Channel material attached across the legs of the frame to give strength to sheet metal when used in a vertical application on the sides of the building.

Drill Screw: Used anywhere you are attaching to framing members or hat channel

Stitch Screw: Used everywhere you join sheet metal to sheet metal or trim to sheet metal

Nailer Tube: 1-1/2” square tubing used to fir out the framing around doors & windows for attachment of metal siding on a vertically-sheeted building.

If you have questions email customer service or give us a call at 888-285-0598.