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Question DetailsAsked on 5/2/2016

Can I get solar installed on my 22 year old tiled roof?

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1 Answer


Yes - but putting solar on a tiled roof is an iffy thing because of the risk of damaging the tiles during installation and maintenance. Tile roofs are also generally the hardest type to get good water sealing of penetrations on.

Generally, they either have to walk on thick sheet compressible foam or work off a lift truck to avoid breaking the tiles. The penetrations on a tile roof are messy to get watertight too - they will have to remove some tiles to install the support brackets, then replace the tiles (cutting around the supports) and put in a waterproof sealing boot around each support bracket. Sometimes, if putting in a large installation, they mount support bracket frames off the eaves and at the ridge with no intermediate penetrations of the roof (though possibly padded support feet) and then mount the panels on that. That makes the installation more watertight, but can leave exposed metal support framings that does not look good.

You definitely need to discuss care for the roof and penetration sealing with the contractor BEFORE selecting him.

Also consider your ro0of age - if you are planning on redoing the roof in the foreseeable future, now might be the time to do that, because otherwise come roof redo time the panels have to be removed and then after reroofing replaced, which is costly.

Answered 4 years ago by LCD

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