Cause of rot: There are basically three types of fungi that result in rot. Decay can set in if there is excess moisture around the wood.Mold and sap stain indicate this problem that is the onset of fungus decay.
Areas of rot: In order to check if rot is happening, you may check certain areas of your home like – area around doors and windows, behind light fixtures, oil tanks, log ends and walls that have very less roof extension.
Signs of rot: You can definitely spot areas potential to decay and treat them before it begins to rot. If you see algae, mold, insects, blackish or green logs, breakage in logs and fungi, you should be aware that there are chances of decay.
• Prevention of rot: gutter
• Clean areas where algae or mildew is formed.
• Keep soil away from the base
• Install a drainage system
• Before staining, clean if of old finish.
• Installing impel rods in wet areas also help.