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Imperial Vent Windows This range of Imperial size Alpha windows feature top hung vent windows over direct glazing, this range of vent windows are manufactured from either Redwood or premium quality engineered softwood, and the range includes frame only deals and factory fitted glass and frame packages.
Imperial vent windows are manufactured for the following brickwork opening dimensions (subject to technical feasibility), widths; 17¼", 25", 36¼", 48¼", 60¼", 71¼", 94¼", and heights; 30¼", 36¼", 42¼", 48¼", 54". and are supplied unglazed or factory glazed with a choice of, standard low emission glass, toughened safety glass and laminated glass. Glazing units can be manufactured with clear or obscure glass, leaded diamond or rectangular designs are also available.
Redwood windows are ideal for a paint finish. Premium quality engineered clear softwood windows are ideal for a wood-stain finishes. All paint and wood-stain finishes must be carried out in accordance with relevant Building Standards.
Imperial vent windows are categorised by frame and glazing combinations such as frame only, or pre-glazed frames with standard, toughened or laminated glass. Safety glass must be used if the windows are to be used in critical locations such as by doors or less that 800mm from the floor (see Building Regulations 1991 Approved Document N1 for glazing in critical locations).
In the categories below vent windows are then sorted and listed by size, starting with the narrower widths and shorter heights and ascending to the larger widths and taller heights. All diagrams are viewed from outside and the triangles point to the hinges on the opening windows. |
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| Imperial Clear Softwood Vent Windows - Factory Glazed Toughened Glass. This range of premium quality factory glazed toughened glass clear softwood windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from engineered softwood with knot-free over-veneers making this range of vent windows ideal for a wood stain finish. Constructed with combed joints for rigidity, the window frames have a one-piece head and a two-piece sill without horns, this ensures ...
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| | Imperial Clear Softwood Vent Windows - Factory Glazed Toughened Leaded Glass. This range of premium quality factory glazed clear softwood windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from engineered softwood with knot-free over-veneers making this range of vent windows ideal for a wood stain finish. Constructed with combed joints for rigidity, the window frames have a one-piece head and a two-piece sill without horns, this ensures that the ...
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| | Imperial Clear Softwood Vent Windows - Factory Glazed Leaded Glass. This range of premium quality factory glazed clear softwood windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from engineered softwood with knot-free over-veneers making this range of vent windows ideal for a wood stain finish. Constructed with combed joints for rigidity, the window frames have a one-piece head and a two-piece sill without horns, this ensures that the clear soft...
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| | Imperial Vent Windows - Factory Glazed Toughened Leaded Glass. This range of factory glazed toughened leaded vent windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from premium quality redwood and constructed with combed joints for rigidity, they have a one-piece head and a two-piece sill without horns, this ensures that the vent window keep its shape, strength and performance qualities. This range of Imperial glazed vent windows are supplied wi...
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| | Imperial Vent Windows - Factory Glazed Leaded Glass. This range of factory glazed leaded vent windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from premium quality redwood and constructed with combed joints for rigidity, they have a one-piece head and a two-piece sill without horns, this ensures that the vent window keep its shape, strength and performance qualities. This range of Imperial glazed vent windows are supplied with clear leaded stan...
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| | Imperial Casement Windows - Factory Glazing Toughened Glass. This range of factory glazed toughened glass vent windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from premium quality redwood and constructed with combed joints for rigidity, they have a one-piece head and a two-piece sill without horns, this ensures that the vent window keep its shape, strength and performance qualities. This range of Imperial toughened glass glazed vent windows ar...
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| | Imperial Clear Softwood Vent Windows - Factory Glazed. This range of premium quality factory glazed clear softwood windows feature top hung vent windows over direct glazing. Alpha windows are manufactured from engineered softwood with knot-free over-veneers making this range of casement windows ideal for a wood stain finish. Constructed with combed joints for rigidity, the window frames have a one-piece head and a two-piece sill without horns, this ensures that the clear softwood wind...
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| | Imperial Vent Windows - Factory Glazed LowE Glass. This range of factory glazed vent windows feature side hung top hung vent windows over direct glazing. Alpha windows are manufactured from premium quality redwood and constructed with combed joints for rigidity, they have a one-piece head and a two-piece sill without horns, this ensures that the vent window keep its shape, strength and performance qualities. This range of Imperial glazed vent windows are supplied with clear standard 2...
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| | Imperial Vent Window Frames Unglazed. This range of vent window frames are unglazed top hung vent windows over direct glazing. Alpha windows are manufactured from premium quality Redwood and constructed with combed joints for rigidity, they have a one-piece head and a two-piece sill without horns, this ensures the vent windows keep their shape, strength and performance qualities. These imperial size vent windows are supplied with a `honey` stain primed finish. All timber used in the m...
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