Standing Seam Metal Roof Installation Details

From underlayment venting layout.

Standing seam metal roof installation 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. 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. Panels are mechanically attached with hidden fasteners to a continuous solid substrate with an underlayment. Pancake screws are used because they are strong and yet have a low profile that does not interfere with panel and trim installation.

We cover all the basics of metal roof installation. Standing seam consists of sheet metal roofing panels joined side by side and attached to the roofing deck with concealed fasteners. Standing seam roofing is particularly noted for its use of hidden fasteners. For nail strip panels one pancake screw is required every 12 24 inches depending on wind requirements.

Step by step instruction on how to install a standing seam metal roof. For do it yourself enthusiasts for your first installation we recommend installing standing seam on a simple gable roof with minimum roof penetrations. There are two main reasons.