about windows Which advantages has a window made out of PVC in comparison with an aluminium one?
In principle both materials are similar about stability. Windows made out of aluminium are often built in at facades of big buildings. In private house-building this makes no difference because such huge surfaces are not usual. About insulation you must imagine that an aluminium window would be more expensive than a window made out of PVC if it should have the same good u-value. In basic versions PVC windows have a much better insulation than aluminium ones. This might be decisive because of increasing energy costs. about entry doors Which standard items belong to a Novum special edition front door? frame 85 mm for better stability, emergency-key function (interior inputted key nevertheless let open the door from outside with another key) and triple bolt locking system for more security about shutter systems Could I move a electrical operating shutter during a power failure? For this special case for example shutter systems in front of a door, there is a motor with emergency crank unit
