It’s very sturdy. Two of us put it together in about 5 hours. The only problems we had were keeping the roof pieces in place before we got the brackets in. They’d slide out and two landed hard enough to dent the ends. My husband bent them back the best he could and we carried on. Getting everything squared up so the corner brackets met correctly was a challenge. It’s all together now and looks nice. The roof panels don’t provide solid shade. The sun does shine through. But that’s not a game changer; it’s very pretty. Still need to pick all of the stickers off each part. Definitely use a drill.