Standing Seam Metal Roof Installation Details
For nail strip panels one pancake screw is required every 12 24 inches depending on wind requirements.
Standing seam metal roof installation details. Standing seam roofing is particularly noted for its use of hidden fasteners. 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. Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles. The recommended dimensions should be specified from the table below.
For do it yourself enthusiasts for your first installation we recommend installing standing seam on a simple gable roof with minimum roof penetrations. 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. There are two main reasons. The detailing and attachment methods described within this manual best reflect steep.
We cover all the basics of 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. The metal roof system as described within this manual is classified as a standing seam metal roof panel. Standing seam metal roofing is a concealed fastener roofing system which features vertical or trapezoidal legs with a flat space in between.
This metal roofing system from mbci is one of the most durable and weather tight roof systems available in the industry. Step by step instruction on how to install a standing seam metal roof. From underlayment venting layout. Pancake screws are used because they are strong and yet have a low profile that does not interfere with panel and trim installation.
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. These pans run parallel to the slope of the roof and are joined to adjacent pans with double locked standing seams. Panels are mechanically attached with hidden fasteners to a continuous solid substrate with an underlayment. Standing seam roofing is composed of preformed or field formed pans usually between 14 to 18 inches wide when finished.