Standing Seam Metal Roof Installation Details

From underlayment venting layout.

Standing seam metal roof installation details.

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. 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. Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners. We cover all the basics of metal roof installation.

Applicability the metal roof system as described within this manual is classified as a standing seam metal roof panel. Unlike steel and aluminum shingles standing seam panels should not be installed over the existing asphalt shingles. Step by step instruction on how to install a standing seam metal roof. Panels are mechanically attached with hidden fasteners to a continuous solid substrate with an underlayment.

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 nail strip panels one pancake screw is required every 12 24 inches depending on wind requirements. Standing seam roofing is particularly noted for its use of hidden fasteners.