Buyer guides

Aluminum vs. Steel Roofing Near the Coast: What the Warranties SayWhy steel roofing warranties ask how far the job is from salt water, what published exclusions actually say, and when to switch to aluminum on the Jersey Shore.
Choosing a Van Mark Brake: Trim-A-Brake II to Industrial Metal MasterA side-by-side look at Van Mark's portable brake families, what each one bends, who it suits, and the stands, legs and slitters that go with it.
Coil Width and Panel Coverage for Standing Seam RoofsWhich coil width makes which standing seam panel, how much each seam uses up, and a step-by-step way to work out linear feet and pounds of coil for a roof.
Kynar (PVDF) vs. SMP vs. Polyester Paint on Metal Roofing CoilHow 70% PVDF, silicone-modified polyester and polyester coil coatings differ in chalk, fade, warranty and cost, and which one fits the roof you are pricing.
Metal Roof Installation Basics: Sequence, Details and Common MistakesThe order of work on a metal roof, the reason behind each step and the mistakes that cost warranties, written as a checklist to use next to the panel maker's manual.
Metal Roofing Gauge, Thickness and Weight ChartNominal thickness and weight for .027 to .050 aluminum, 22 to 29 gauge steel, 16 and 20 oz copper and 0.7 and 0.8 mm zinc, with the formula behind every number.