Should you install solar on a tile roof?

Not only can installing on a tile roof be more expensive, but there can be a higher risk of a poor installation causing damage to the waterproof integrity of the roof, leading to expensive repairs down the road. That doesn’t mean that you should shy away from solar if you’re a homeowner with a tile roof.

How do solar panels work on a tile roof?

Solar panels are attached to a roof with a racking system that must be anchored to the roof deck in some way. With a tile roof, there are a few common techniques an installer might use.

Are solar roof tiles a good alternative to solar panels?

You can even now buy solar roof tiles which have a similar appearance to conventional roof tiles, but even though these are less obtrusive they cost a lot cost more than solar panels and are less efficient too. But after taking the USA by storm with the involvement of the Tesla company, they are becoming more popular as an alternative in the UK.

Can solar panels damage a tile roof?

Future damage from vibrations: Even if tiles remain intact during installation, they can weaken over time. Wind moving between the solar panels and the racking system can create vibrations that cause tiles to crack down the road. Because of these risks, standard installation methods won’t work for tile roofs —especially lightweight ones.

Can solar panels be installed on lightweight tiles?

If installers attempt to mount solar panels directly onto lightweight tiles, several issues can arise: Tile breakage: Walking on or drilling through these tiles can cause cracks or breaks, which may lead to roof leaks and structural damage.

How do I install solar panels on a lightweight tile roof?

The best way to install solar panels on a lightweight tile roof is through a method called inset solar installation, also known as a “comp-out” installation. This technique removes the section of tile where the solar panels will be installed and replaces it with composite shingles before mounting the solar array.