Pre-stained all board prior to assembly. Did final coat once assembled.

After

Before

Pergola needed a couple coats to protect the wood.

Pergola needed a couple coats to protect the wood.

Pergola needed a couple coats to protect the wood.

Used a cleaning solution on this deck, and applied a maintenance coat of Sansin Dec, 1 year after re-doing the deck. Highly recommend the maintenance coat every year or 2 to protect the wood.