How to Build a Pergola - The Family Handyman. They're not wood at all but a hollow-core composite material with amazing structural . The whole project can be built in a couple of weekends, with another .
Pergolas: Composite Pergolas - GardenStructure.com ,We get a couple of calls a week for composite pergolas. , When you want to add a pergola an existing deck the first consideration is whether the deck ,