£518.20£621.84 inc. VAT
The complete package for the best price
When buying the fixed polycarbonate dome, you're getting the whole package. The PVCu upstand and the dome (with thickness of your choice). The only thing you need onsite is flashing and this is whatever your roof material is, be it GRP, felt or rubber, for instance.
Award winning upstands
It doesn't matter which one you choose, you have peace of mind knowing that all our upstands are thermally broken and designed to help improve the overall thermal efficiency of your roof. Made from extruded PVCu and pre-finished white internally, it gives a perfectly finished design suitable for any interior.
What is the best skin thickness for you?
- Single skin - Recommended to only be used in uninhabited areas such as a garage, corridor, storage room (U-value: 5.36 W/m2K)
- Double skin - Recommended to be used when replacing a dome, ie like for like replacement (U-value: 2.68 W/m2K)
- Triple skin - Must be used on new builds to comply with building regulations (Part L Thermal Performance) (U-value: 1.78 W/m2K)
- Quadruple skin - Recommended for best thermal performance (U-value: 1.24 W/m2K)
How secure are the roof domes?
Unique to our fixed roof domes are the high-security screwbolts, supplied factory fitted as standard to all units. Once installed, the fixing cannot be removed using common tools. The screwbolt provides a high level of resistance to tampering or forced entry.
The fixing screw or bolt is sleeved within the body of the screwbolt which avoids pressure being exerted on the rooflight glazing as the fixing is tightened. This virtually eliminates the risk of stress fractures caused by over-tightening.
Keeping your rooms ventilated
Even though you've chosen the fixed unit, you can have a controllable trickle vent built into two sides of the upstand. The ventilation can provide 8000mm2 ventilation area which assists with Building Regulations compliance.
When installed, the fixed domes are expected to exceed the life of the roof covering and will not rust or be affected by atmospheric pollution. They are maintenance free once installed. The domes are guaranteed against the effects of defective design, materials or construction for 10 years, subject to certain conditions.
Dimensions shown is the roof opening size required.
|Size (W x L)||110 x 140cm|
|Skin Thickness||Double skin|
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