These roofs will work on a deck or a patio (and yes, there apparently is a difference). Purchase polycarbonate sheets at your local Lowe's, where 4-foot by 8-foot panels sell for about $67.

The panels chosen are clear corrugated PVC, made by Palruf. The eight-foot panels were cut down to 86 inches, to provide no more than a six inch overlap along the outer upper 2×4 cross vein.

Perfectly clear solar panels could power your home and you’d never even see them. By Mike Wehner. Published Oct 24th, 2017 2:28PM EDT. ... You can stick some on a roof without issue, ...