Check for any spongy texture or signs of mold growth ... structures such as fences and sheds are often affected by wood rot ...

You'll typically find it in places where water pools or the wood stays wet for long periods, such as the base of fence posts ...

If not treated correctly, then algae can cause wood rot, reducing the fence's lifespan ... Green, slimy, or fuzzy texture that grows on the wood. Algae can appear as green, black, or brown patches on ...