Em-Dome modular rooflights

Em-Curb options

Em-Dome in opal diffused with 300mm PVC upstand and rotating vents

Em-Dome in opal diffused with 300mm PVC upstand and rotating vents

Em-Dome linked double units with Em-Collar and aluminium cowl

Em-Dome linked double units with Em-Collar and aluminium cowl

Em-Curb upstands

Em-Curbs are designed to be used in conjunction with Em-Dome rooflights to provide a thermally broken interface which in turn helps to improve the overall thermal efficiency of the roof. Em-Curbs represent excellent value for money, enhance the overall appearance of the rooflight and are prefinished white internally, therefore requiring no further decoration.

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Em-Curb PVC-u 150/S++<p>Em-Curb PVC-u 150/S (U-value 2.20 W/m2K)</p>Em-Curb PVC-u 150/v++<p>Em-Curb PVC-u 150/v (U-value 1.00 W/m2K)Em-Curb GRP 150 Standard++<p>Em-Curb GRP 150 – Standard (U-value 1.82 W/m2K)<p>Em-Curb GRP 150, 300, 500 Special++<p>Em-Curb GRP 150, 300, 500 – Special (U-value 1.07 W/m2K)</p>Em-Curb PVC-u 350/s++Em-Curb PVC-u 350/s (U-value: 0.89 W/m2K)Em-Curb PVC-u 300/s++Em-Curb PVC-u 300/s (U-value 1.00 W/m2K)

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Splayed Em-Curb upstands give an excellent spread of light through the room whilst the vertical units are available where the dimensions of the roof aperture need to be maintained.

The standard Em-Curb is made from extruded white PVC-u. The multi-chambered construction gives an exceptionally robust and thermally efficient performance. This curb is suitable for most roof finishes and is available in heights of 150, 300 and 350mm with other heights also available. All ventilation, access hatch and smoke vent options can be used in conjunction with Em-Curbs.

Em-Curbs can also be supplied in GRP which have integral 10mm polyurethane foam insulation and robust dome fixing and mounting flanges. They can be used with most roofing materials.

Em-Collar adaptors

Em-Collars provide a thermally broken solution for replacing existing rooflights and would typically be installed to an existing builder’s upstand.

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Consideration should be given to using the PVC 350/s upstand to oversleeve existing site upstand as this reduces site work, especially where existing linings must not be disturbed, e.g.may contain asbestos.

Em-Collar PVC adaptor collarEm-Dome with Em-Collar PVC adaptor collarEm-Curb PVC oversleeve upstandEm-Dome with Em-Curb PVC oversleeve

T-Collar adaptors, collars and flanges

T-Collars are purposemade to fit any size or type of existing builder’s curb or proprietary upstand and enable Em-Domes to be fitted where existing dimensions are irregular or a direct size match is not available.

Em-Collars and T-Collars are a flexible solution and can also incorporate all ventilation, access hatch and smoke vent options.

Multiple Em-Dome rooflights

For extra long applications, e.g. 3 to 6m, two or more Em-Domes can be installed together by means of linked T-Collar adaptors.

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These are self-supporting up to a span of 1m. For spans over 1ma structural support will be required. Where necessary, linked T-Collar adaptors are supplied in individual sections for jointing on site, utilising a standing seam detail.

Em-Curb upstands can also be used in conjunction with multiple rooflights.

For roof openings longer than 6m, we would normally recommend a continuous barrel vault rooflight such as our Em-Vault or T-Vault ranges.

Linked Em-Collar adaptor – jointing detailLinked Em-Collar adaptor – jointing detail