That sounds like a great upgrade for your backyard! Aluminum pergolas with louvered roofs are definitely a smart choice, especially for managing sun and rain in a climate like Vancouver’s. I’ve seen a few neighbors install them and they seem to hold up really well — low maintenance and durable.
By the way, if you’re into checking out design ideas or even saving reference photos and videos, I’ve been using https://teraboxdl.org/ to keep everything stored in one place. It’s super handy for organizing inspiration before starting a project.