A wide heavy duty door threshold plate used in conjunction with door bottom seals or pivot hinge doors. This ribbed profile threshold is also available in solid brass, which, when exposed to weather, will in time turn to a bronze finish. Location Door sill. Sizes Available in stock lengths. Standard Finish Aluminium anodised 25 microns.Satin Clear (silver) Bronze or solid brass finish. Fixing Method Zinc plated, cross recess head CKS S.T. screws of the appropriate size and colour are supplied. Brass screws supplied for solid brass version. Used in conjunction Raven Door bottom seals. Note: Solid brass version does not have sill gaskets. Approvals Fire AUS/NZ: Tested to AS 1530.4 & AS/NZ 1905.1 UK/EU: Tests above are similar to BS EN 1634.1, BS 476 Part 20&22 Access & Mobility  UK/EU: Conforms to Approved Document M.