Interior door Sub-Frame

galvanized steelswingcontemporary

These doors are used for following reasons: - The sub-frames are installed with clamps and mortar when the building site is still in a phase that dust and dirt do not disturb. - The doors can be simply and quickly installed on the sub-frames by means of screws at last moment of the building site without making dirty and with the advantage of paying them -later. - This type of installation is available multipurpose and fire rated EI2 120 with specific certificate. Construction like the handed doors, see the corresponding description in section “HANDED DOORS / Description / EI2 120 / multipurpose (depending on the type chosen)” The doors fit into the sub-frames which are sold separately and shipped before the doors. Sub-frames of profiled and galvanized steel of tubular shape + wing pre-holed and composed of 2 jambs and 1 upper transom including clamps for the fixing to the wall by mortar. Sub-frame supplied assembled with 2 horizontal distance pieces and 2 square plates above for keeping it square. Dimensions mm 32 x 15 + 20 and depth “a” different to adapt to multipurpose or fire rated EI2 120 frame. For conformity to the tested installation system in the version fire rated a compulsory thermal kit will be supplied, consisting of an additional self expanding gasket to stick on the 3 outer sides of the frame before inserting the door in the sub-frame. On the installed sub-frame the buyer will have make few adapting outcuts which cannot be factory made as they would weaken it.