I spoke to a specialist about patio covers vs pergolas to find out which outdoor structure is best. While pergolas are sturdier, a patio cover is better value ...

Traditional pergolas have slatted roofs that provide some shade but let in a good amount of sun. ... Purple Leaf Outdoor Polycarbonate Pergola . Now 11% Off. $1,799 $1,599 at Amazon. $1,799 at ...

This pergola has an aluminum frame that secures to the side of a building and holds up 6-mm-thick polycarbonate roofing boards that are resistant to UV rays and heavy weather.

The Sunmthink 6x8 Hardtop Pergola is over 50% off at Walmart. ... The roof is made of flexible polycarbonate panels that are less likely to break than rigid ones.

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.