What Is Standing Seam Metal Roofing Details
These pans run parallel to the slope of the roof and are joined to adjacent pans with double locked standing seams.
What is standing seam metal roofing details. Its concealed fastener design ensures that the fasteners aren t exposed to the. These panels are usually made of galvalume coated steel but can also be made of aluminum copper and various other metals. Standing seam systems can be used for either metal roofing which is the most common or metal walls. Another key difference.
The recommended dimensions should be specified from the table below. One piece snap lock interlock double lock seam two piece snap lock interlock and symmetrical seam. A 24 and 22 gauge steel can also be used. More rarely certain commercial or residential structures might use 24 or 22 gauge steel in standing seam roofing.
Standing seam on the other hand will use thicker steel most commonly galvalume but generally at least 26 gauge g 90 galvanized steel. Standing seam roofs are generally made from thicker grades of steel than corrugated steel roofs. While many corrugated steel roofs are made using the thinner 29 gauge steel a minimum of 26 gauge g 90 galvanized steel or more commonly galvalume steel better is used for manufacturing of standing seam metal panels. The clips are fastened to the roof by means of a screw and snap over the edges of the metal roof panels.
Standing seam metal roofing is installed by running continuous metal panels down the length of the roof. Standing seam metal roofing is a concealed fastener roofing system which features vertical or trapezoidal legs with a flat space in between. Standing seam roofing is composed of preformed or field formed pans usually between 14 to 18 inches wide when finished. This cannot be said for composition shingles or especially for torch down or rolled roofing.
One great advantage of standing seam metal roofs is contained in the name itself. Seams the weak point in any roof and a potential entry point for moisture are raised above the level of the roofing panel. This metal roofing system from mbci is one of the most durable and weather tight roof systems available in the industry. A thin metal cover is then placed over the joints where two panels meet at the clips.
The main idea to remember for standing seam systems is that the fastener is hidden whether the panel is attached to the roof deck using a clip or is directly fastened to the decking material under the vertical leg using a fastener flange. Standing seam roofing comes in four basic styles.