When looking for the best oil for cedar weatherboards, you want to choose one that will protect the wood while also enhancing its natural beauty. Here are a few important things to think about when choosing oil.When looking for the best oil for cedar weatherboards, you want to choose one that will protect the wood while also enhancing its natural beauty. Here are a few important things to think about when choosing oil.When looking for the best oil for cedar weatherboards, you want to choose one that will protect the wood while also enhancing its natural beauty. Here are a few important things to think about when choosing oil.