The above quoted sizes are to suit your structural opening dimensions.
The actual glazed area at the top of the kerb will be reduced by 200mm on either dimension, due to the slope of the upstand. We do have vertical kerbs available at a higher cost if a larger clear opening is required.
A quality made thermoformed opening rooflight designed to make the maximum use of natural lighting whilst offering ventilation by manually opening 300mm on a spiral drive rod. Our domes are offered in a huge range of shapes, sizes and glazing options to comply with almost any specifier requirements.
The Roof Domes are thermoformed from co-extruded UV stable polycarbonate and are available in single, double or triple skin construction. Each glazing layer is 3mm thick. All glazing is tested and certified according to EN 1873:1200 J, and ACR(M): 001: 2005 Class B.
The Domes are tested to stringent standards and are suitable for use on most flat roofs, including single ply, holt melt, felt, asphalt, lead, liquid applied and GRP. They are supplied with our insulated curbs but can also be installed on a builders curb.
Applies to the vast majority of our customers and all but one of our products (more information on this later).
The lead times and delivery service are clearly displayed against each product, just below the price.
Please note, for certain products and delivery zones we can offer AM deliveries and Saturday Deliveries, if available, you'll be able to select and pay for these options via the checkout.
Delivery Charges will be applied for the following reasons:
You're outside of UK Zones A&B (Certain parts of Scotland, Scottish Islands, Northern Ireland, Channel Islands and IOM)
To view our delivery zones please View our delivery zones
We're unable to offer the following product/s with Free delivery:
Stira Loft Hatch/ Ladder combined
You can return a product within 14 days of receipt. Please note Made to measure products cannot be returned