Most seaming problems can be avoided by forming panels with the correct dimensions. For years there has been a misconception about the proper height of seam legs.

Portable Rollforming Equipment has found welcomed acceptance in today's thriving metal roofing industry. Many roofers find this equipment to be as as indispensable as a pair of 'snips'. In the past ten years, this type of machinery has matured and kept pace with today's demands.

Details the different temperature considerations when installing panels.

Standing seam roofing has been around for about 1500 years - so has this misconception: you must use tapered legs to compensate for expansion of material.

A collection of panel dimensions from various machine manufacturers. Includes information on what tools are available for each panel.

Roof pitch is measured "rise over run". This is measured by taking a level and placing it at any point on the slope of the roof. Now take a measuring tape (or scale) and measure straight down to the roof at the 12" mark on the level.

Power seamers can double lock as fast as 30 feet per minute (fpm) and single lock as fast as 45 fpm. Why, then, would it be necessary to use a hand seamer? There are several conditions where hand seaming is appropriate or preferred.

The reason why a machine manufacturer cannot provide UL90 (wind uplift) testing.

Defines the Static Water Penetration Test, Dynamic Water Penetration Test and Uniform Structural Load & Deflection Test.