Right now, the Mirador 10 ft. x 13 ft. aluminum pergola with an adjustable louvered roof is on sale at Wayfair for $1,935.26, nearly half off its original price of $3,899.

Benefits of a Louvered Pergola Flexible Shading and Weather Protection: The slats are adjustable to allow more or less sunlight in, and they can be completely closed for shelter in rain.