Where can you find no hole / drilless solar power roof mounts for your house?

[matt323]

Do drilless mounts exist for a sloped house roof? If so where can I find them?

 

[BentleyJ]

I don't believe such a thing exists, it would be structurally unsound especially with regard to wind resistance and uplift.

 

[OffGridInTheCity]

You're probably asking about fixed panels - but there is such a thing as flexible solar like these - https://batteryhookup.com/products/2-pack-uni-solar-pvl-144-144w-amorphous-flexible-solar-panel - that could be tacked down with glue.

 

[Micky]

It's done all the time on boats. Use sikaflex or similar and either commercial or DIY brackets. For DIY thin aluminum angle works well, the bigger the better, within reason, if you're worried about high winds. Glue the angle to your roof and then bolt or screw the panel to the upright on the angle. Sikaflex 252 has a bond strength of about 250lbs/sq. inch. Use 2" angle, six inches long x 6 or even 8 brackets. Well, you do the math, but it's not likely to come off unless your roof is going to go along with it. If you have a sloped roof you can bend the brackets so the upright is parallel to the side of the panel. And it's... well, I was going to say cheap but let's go with inexpensive.

 

[rcrracer]

You might be able to come up with some ideas by looking at pictures of roof jacks.
Garage door tracks and rollers look like they might work in some situations.
None of these ideas are approved by anybody.

 

[Phil.g00]

Sticky tape:
3M VHB 4950 Tape onto P2000 unistrut lattice.
50 panels on a galvanized IBR roof ridges in the African sun for four years and holding as if they went up yesterday.
(Used about 3 x 30m rolls).
Roof and unistrut primed with galvo-clean beforehand.

I don't endure twisters, but I'd say if your roof stays put your panels will.

 

[cods4]

Depends on the roof profile. In Australia and New Zealand we have this option for some roof profiles

Non-penetrating Roof Mount for Solar Panels - PVezRack

Non-penetrating Roof Mounting for Solar Panels designed for residential and commercial applications. Suitable for most roofing types.

www.clenergy.com

 

[Don B. Cilly]

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