Upright beams, return beams and head beam are ex 150mm x 150mm. Facing angled beams & Ridge are ex 80mm x 150mm. Oak Rafters supplied are ex 50mm x 100mm. Design as attached photos within size limits above - Other designs available upon request.We also offer a full range of green Oak structures including smaller porches, hot tub gazebos, Car ports & Garages, Garden pavilions, Log & Bike stores even other joinery products such as staircases, bespoke windows & doors, garage doors and bespoke gates. For any further information or help please contact 07793035736. This item is in the category "Home, Furniture & DIY\DIY Materials\Doors & Door Hardware\Other Door Hardware". The seller is "woodandstairs" and is located in this country: GB. This item can be shipped to United Kingdom.