How Does A Standing Seam Metal Roof Work

And if you put steel standing seam over asphalt shingles that are covered with stone granules the expansion and contraction of the metal will rub the underside of the panels against stones on the shingles.

How does a standing seam metal roof work.

Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners. Standing seam systems can be used for either metal roofing which is the most common or metal walls. When installing a standing seam it is strongly recommended that all asphalt shingles are removed before the installation in order to prevent avoid the telegraphing effect where horizontally installed shingles punch through the vertical sheet metal roofing panels causing unsightly dents that cannot be fixed removed. This will sooner or later cause the protective coating to wear off thus inviting the rust spots to start popping up all over the roof.

Continuous panels run from the ridge of the roof down to the eaves. It s also described as having raised seams or vertical legs that rise above the level of the panel s flat area. A standing seam metal roof takes a different installation approach than the traditional metal roofing method. They lock the seams of each roofing panel ridge in place with nails.

Standing seam metal roofing is defined as a concealed fastener metal panel system that features vertical legs and a broad flat area between the two legs. To provide excellent insulation and prevent leaks contractors use caulk to seal the nailed seams. The connecting point where the two separate metal panels meet forms a vertically pointed rib or a seam that is one inch to inch and a half high. Houses in your neighborhood with metal roofs most likely are of the standing seam variety.

Contractors install traditional metal roofing by huge ridges. Standing seam metal roofing is a particular type of metal roofing that raises the seams above the level of the roofing itself.