Prime Oak Options There are various options which can be added to our standard range of buildings such as weatherboard panels to enclose a bay where a selection of ‘off the shelf’ joinery can be used to form openings. ©  Web by APK Gable Roof Hip Roof Barn Hip Roof Enclosed Logstore Open Logstore Options Each standard bay size is 2.64m between posts and to match, our garage doors are 2.64m wide as are our full bay French doors (1400mm French door with glass panel either side) A range of joinery sizes with photos can be found on the Standard Joinery page. Dormer Window External Staircase