water got through the coating after a period of time and rotted deck boards underneath the coating. Decks of all sorts, wood and composite—can also undergo storm damage from a falling branch or ...

Think about any wobbly table you might have set things on at a picnic or other outdoor gathering. A deck is really nothing more than a giant table with legs.

Before 2004 most decks were made of lumber pressure-treated with chromated copper arsenate (CCA) to fend off rot ... wood stains, CR’s test engineers apply two coats to pine boards and place ...