Mounting Solar Panels On Metal Roof

The shingles must be removed to attach the mounting hardware to the roof then the layers of shingles and flashing are installed with holes to allow the attachment point to stick out.

Mounting solar panels on metal roof.

A rackless mounting kit and an l foot kit for use with racking systems. Roll insulation under many metal roofs is already crushed at the cross beams and further fastening is an not issue. Besides just the many different types of metal there are also different metal roofing systems. Both kits utilize identical roofing clamps to secure panels to the seams of metal roofing panels.

There is a large variety of metal roof types that you ll find on the market. These screws typically have a gasket on them for waterproofing. Use the right self drilling screws. This is the main complicating factor when installing solar on a metal roof in comparison to asphalt shingles.

Use types that are made for self drilling through a metal roof into wood. To install solar on batten mounted metal shingles you need to sandwich the solar flashing between two layers of metal shingles. With shingles the solar racking is attached with feet that are bolted through the shingles into the sheathing underneath. For solar installers most familiar with comp shingle or tile roofs encountering a metal roof can be challenging.

If the structure has a standing seam roof solar installation is somewhat easier. I have solar panel on my corrugated metal roof and not sure if the solar panel roof mounting is to blame as the rubber on top of the bolt is not covering the whole bolt head however there is a rubber between the corrugated sheet and bracket.