Detail Standing Seam Metal Roof Installation
Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles.
Detail standing seam metal roof installation. First of all if you install a standing seam metal roof over asphalt shingles there will be a so called telegraphing effect where shingles can punch horizontal lines in standing seam panels. So when your design requires a metal roofing system that is both aesthetically pleasing and structurally sound choose a western lock standing seam metal roof system. From underlayment venting layout. Jn davis roofing provides superior quality and guaranteed work done by experienced craftsmen.
Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners. Install zee closures onto panels at both sides. Installing a standing seam metal roof will mean the end of most of your roofing issues for many years to come. Fasten with appropriate substrate fastener at minimum 4 fasteners per zee or 3 inches on center.
There are two main reasons. The recommended dimensions should be specified from the table below. Use endwall flashing to locate correct position of zee closures. The lower end of each panel is then trimmed and the hem pre bent before installation see pg 9.
We cover all the basics of metal roof installation. If you have chimneys skylights dormers and or valleys on your roof we recommend you leave this task to a seasoned professional installer because it s really easy to make costly mistakes when installing metal flashing and other details. Apply row of tube sealant along back face of zee closure adjacent to panel legs. Standing seam roofing is composed of preformed or field formed pans usually between 14 to 18 inches wide when finished.
Install endwall flashing onto zee closures by riveting flashing to top flange of zees at 18 inches on center onto top flange of zee. Step by step instruction on how to install a standing seam metal roof. 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. For do it yourself enthusiasts for your first installation we recommend installing standing seam on a simple gable roof with minimum roof penetrations.
A standing seam metal roof system from western metal deck is one of the most durable and weathertight roof systems available in the industry.