Wooden garden furniture is particularly vulnerable to moisture. Rain, dew, and even humid air can affect its condition.

In fact, this is true of all exterior wood features, including gazebos, decks, fences, light posts, and mailboxes. If left unprotected, the wood will fade over time, develop rot, and warp or decay.

Whether it's a fence, gate, decking or pergola, your beautiful wooden garden features can suddenly appear mouldy and green. This is due to the growth of algae, a fungus that thrives on damp timber ...