Our range of playhouses are a fantastic addition for any young children to give them a space to play and bring out there imagination. All Shaws sheds come with Polyester roof felt as standard which is a much better better product than standard felt All shaws buildings excluding tanalised buildings are treated with a water based solution, we do advise however that you treat them immediately after assembly and every year following to ensure longevity. Building Specifications for Deluxe Playden