If you want more shade, you can place a solid roof over the top of the pergola's roof slats. Options include glass, bamboo thatch, fabric, and polycarbonate patio roofs that can create a backyard ...

This pergola trades the canvas shade for a hardtop polycarbonate that won’t get weighed down with water or debris. It has a weight limit of 176 pounds so it can handle heavy snow if you want to ...

Lightweight fixed polycarbonate roofing allows UV filtered sunlight to pass through. You get filtered natural sunlight, but cooler temperatures under the cover of your pergola.

The roofs have thermal insulation ratings up to R-20. Side screens, known as zip screens, made of polycarbonate or safety glass, are also options to provide shielding from cold winds.