Standard Specifications

• Frame size as standard 65mm x 84mm with a 42mm x 25 rebate
• Constructed with mortice & tenon joints
• 2 part frame which is pocket screwed together
• Character grade oak 
• Unfinished
• With Aqua Seal
• Sill size 150mm x 42mm
• Kiln dried Oak

Options Explained

1. Custom sizes are available, we make everything on site to order at our workshop in Lincolnshire so we specialise in bespoke sizes, any size is possible and there is no extra charge for this service. We just charge £11.99 (+ VAT)for every 100mm in width it is over standard size and any height over 2100mm is charged at an extra 5%. 
2. We offer 2 grades of oak - Character Grade and Prime Grade, the differences are briefly described below, please ask for our info sheet if you require more information.
   1. Prime- Minimal knots and colour variation - Tolerance on each face of two intergrown sound knots of 12mm maximum diameter, or this equivalent per linear metre. Slope of grain: almost straight. Not acceptable: sapwood, heart spiral and curly grain deterioration, cross grain, bark pocket, bore holes, warping. Surface checks tolerated. Extra £100 (+VAT)
   2. Character- Colour variation and knots -  Presence on each face of small knots without limitation, and of a maximum of three sound knots per metre, maximum diameter not to exceed one half of the width of the timber or 40mm or equivalent. No extra charge.
3. As standard all our frames come unfinished but we can apply an interior oiled or a lacquered coating if preferred for an extra £50.00 (+VAT) 
4. Frame comes with a sill as standard but can be supplied without for -£81.60
5. Frame comes with aqua seal as standard but can supplied without.
6. All our oak is kiln dried as standard which lowers the moisture content and kills off any woodworm or infestations. We can supply frames in green oak and air dried if preferred- please contact a member of our team for a price.