uPVC Soffit Boards © Specialist Building Factors 2011 - All rights reserved - 9 Marsh Street, Bradford, BD5 9NE   Kestrel and Freefoam also manufacture Pre-Vented (10mm Air Gap) uPVC Soffit Boards, again, available in 5mt lengths and multiple widths. Sizes available: 100mm, 150mm, 175mm, 200mm, 225mm, 250mm, 300mm, 400mm, 600mm Also available in woodgrains - limited sizes Our uPVC Soffit Boards are designed to last for years, we have two different manufacturers of uPVC Soffit Boards, namely Kestrel and Freefoam plastics. Both Kestrel and Freefoam uPVC Soffit Boards are 9mm thick, 5mts long and are ideal for new build or refurbishment work where you want to replace your old wooden Soffit Boards. Sizes available: 100mm, 125mm, 150mm, 175mm, 200mm, 225mm, 250mm, 300mm, 400mm, 500mm, 600mm. Colours: White, Woodgrain, Sherwood, Blackgrain, Rosewood (woodgrains - limited size range)