It must be a right-angle arc with a gap. 【Function】: Open, close, ventilate, insulate, provide privacy, let the sun in, good waterproofness, with gas lift spring, easy to operate, equipped with nets and sunshades, which can effectively prevent fallen leaves and direct sunlight.
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BBA approved. Centre pane U-Value to as low as 1.26 W/m2K. Suitable for flat roof applications with a pitch of typically 0-15 degrees. This avoids cold spots and minimises the risk of condensation.
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Place the external vent over the lip of the internal cap and mark the screw holes with a centre punch. NOTE: If installing a power or lighted vent, provide power source of 12 volts DC, using 18-gauge wire.
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Scottish Highlands and Islands (FK17-99, KW1-17, G63, G82-onwards, IV1-28, IV33-39, PA21-33, AB, PA35-40, PH1-onwards). The Isle of Wight, Isle of Man, Channel Islands and Northern Ireland. SA, TR, PL, PO, TQ, EX, E and EC.
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Double Skin.
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Pysical overall size 340mm x 340mm.
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It’s also ideal for venting small spaces. Made from superior quality impact and UV resistant materials supplied with blackout blinds and flynet screen. Above the roof - 98mm. Easy operation with gas lift struts.
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It must be a right-angle arc with a gap. 【Function】: Open, close, ventilate, insulate, provide privacy, let the sun in, good waterproof, with gas lift spring, easy to operate, equipped with nets and sunshades, which can effectively prevent fallen leaves and direct sunlight.
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