Timber Cladding Questions

• What is the difference between hardwood and softwood cladding?
• What Use Class should timber cladding be treated to?
• Should timber cladding be fire retardant treated?
• Can you paint or stain wooden cladding?
• Small holes in your cladding? What might they be?
• Board end joints: butt together or leave a gap?
• What is the most common sheathing board used to line an external wall to be timber clad?