Alpha Exterior Timber Imperial Door Frames Alpha exterior door frames. Available in Redwood, "honey" stained or hardwood with "Meranti" base stain. Weather stripped as standard. Made in UK. STANDARD SPECIFICATION DIMENSIONS Door frames are shown with corresponding door size. Overall frame size is exact frame dimensions. FRAMES All frames are vacuum preservative treated. "Honey" prime finish on softwood frames. Hardwood frames are supplied treated with a base stain. Hardwood sills are supplied without base stain. To suit door size Overall frame size with threshold Overall frame size no threshold 610 x 1981mm (2'0" x 6'6") 693 x 2076mm 693 x 2024mm 686 x 1981mm (2'3" x 6'6") 769 x 2076mm 769 x 2024mm 762 x 1981mm (2'6" x 6'6") 845 x 2076mm 845 x 2024mm 813 x 2032mm (2'8" x 6'8") 896 x 2127mm 896 x 2075mm 838 x 1981mm (2'9" x 6'6") 921 x 2076mm 921 x 2024mm 914 x 1981mm (3'0" x 6'6") 997 x 2076mm 947 x 2024mm 1168 x 1981mm (3'10" x 6'6") 1251 x 2076mm 1251 x 2024mm 1512 x 1981mm (4'11½" x 6'6") 1595 x 2076mm 1664 x 1981mm (5'5½" x 6'6") 1747 x 2076mm GENERAL INFORMATION If specifying door rebated for waterbar for use in Alpha door frames with sills, please specify 28mm rebate. Door frames are supplied with factory fitted weatherstrip. Customers must ensure weather sealing when fitting sidelight panels to frames. WEATHER PROTECTION To ensure door and door frame provide adequate performance in exposed situations it is recommended that a porch or canopy is installed. This is particularly critical with open in doors and pairs. GUARANTEES Exterior door frames are guaranteed for thirty years against fungal attack and rot and ten years against manufacturing and material faults. PRODUCT AVAILABILITY All items shown are normally available ex-stock. All items shown highlighted are available on a reduced leadtime, please check with distributor for details. Please note that specifications may vary at our option. Alpha is a Premdor registered trademark.