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Metal Decking
For colour coated metal profile roofs Monodraught provide an on site in situ service, which provides an insulated upstand and GRP in situ coating bonded to the metal decking surface. Alternatively, firms such as Aperture or Jones & Woolman will also provide this service.
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Standing Seam
For aluminium roofs, such as Kalzip and similar, an insulated upstand should also be provided but the flashing is welded on site to the roof covering. The appropriate size hole should be cut in the roof sheeting and depending on the size of the SunPipe, additional bracing may be required internally.
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Over Sheeting
An alternative to GRP or site welding, it to provide over-sheeting but it is necessary to take the over-sheeting flashing up to terminate to the underside of the ridge. This method may be better suited to refurbishment and retrofit Contracts and is particularly recommended for Big 6 asbestos sheet roofs and similar.
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Metal Tile
Monodraught have developed a special integral flashing for Decra roof tiles, which can be supplied in a wide range of finishes for direct installation on site without any cutting. Alternatively, a Code 4 lead flashing can be used to carry the lead up the underside of the higher tile. This is suitable for all types of metal roof tile. |
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Felt, Bitumen, Asphalt
In all cases, the roof covering is carried up the sides of the flashing and the ABS collar forms the necessary weathering. Please click on the relevant flat roof type for further details under the Domestic section.
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Membrane
In all cases, the roof covering is carried up the sides of the flashing and the ABS collar forms the necessary weathering. Please click on the relevant flat roof type for further details under the Domestic section.
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Lead
A Code 4 lead flashing can be provided, which can then be welded on site by the roofer. Conversely, fully detailed drawings can be provided on any individual application for site fabrication.
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Green Roof
An insulated taller flashing up to 750mm high is normally provided for turf roof applications, since SunPipes are the ideal application for basement and underground applications. Bespoke systems can be provided where necessary.
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Bold Roll
The Code 4 lead flashing as supplied and is suitable for all bold roll tiles. The tiles should be cut up tight to the SunPipe system and the Code 4 lead flashing is then laid over the tiles and dressed into place. The Code 4 lead flashing is delivered with the two sides rolled up, so these need to be unrolled and then carefully dressed over the roof tile profile.
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Tiled
The ABS flashing and weathering skirt is suitable for a wide range of clay and concrete plain tiled roofs and also any low profile moulded tiles, such as Belgian roof tiles and Marley Ludlow tiles. The lead skirt is secured to the underside of the ABS flashing and the lead is then dressed to the contours of the tiled surface.
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Slate
The ABS flashing plate is just 3mm thickness, the same as artificial slates. The ABS flashing normally takes up the place of two or more slates and ideally, the bottom of the flashing should be kept level with the bottom edge of the adjoining slate. For rough, hewn, or stone slates, the weathering skirt should be used as for tiled roofs.
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Thatched
This is one of the most difficult roofs on which to use SunPipes but a flashing can be successfully employed, either with using the standard ABS flashing normally used for tiled roofs with additional weathering skirts at top and bottom or we can provide a galvanised deep flashing to bed into the thatch. It is best to send a sketch of your requirements.
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Cedar Shingle
A cedar shingle roof or similar should be treated in the same way as a slate roof but perhaps with the addition of a weathering skirt, as shown. The ABS flashing simply takes the place of some of the shingles and should be securely fixed to the battens. It is recommended that mastic is applied to the edges of the shingles.
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