The low profile dome provides an economical solution when circular rooflights are required. We supply as either dome only to fit existing upstands or can be supplied with an insulated GRP kerb.
Mardome Roofligths are designed and manufactured under an ISO9001 approved quality system
BBA Approval - Full BBA approval under 06/4385
Outer dome is manufactured from 3mm impact resistant Marlon FSX Longlife polycarbonate sheet which has a UV Protective coating on both sides. This coating stabilises the product to avoid discolouration and weakening due to exposure to sunlight. Where double and triple glazed domes are being used, the inner domes are manufactured from 2mm thick impact resistant Marlon FSX longlife polycarbonate sheet. Polycarbonate is has an impact strength 200 times greater than glass which makes breakage very difficult.
The kerb is manufactured from insulated Glass Reinforced Plastic (GRP) with a gloss gel coat layer to the inside. This gives a smooth, maintenance free surface with excellent reflective properties.
Building Regulations Approved Document B (2006 edition amended 2007) sets out the rules for fire safety of buildings, which can be met by achieving specific fire ratings to either British (BS476) or European (BS EN 13501) test standards.
Brett Martin Daylight Systems Mardome Circular Rooflights achieve Class B s1, d0 to BS EN 13501: Part 1. Building Regulations state they can be regarded as Broof (t4).
Mardome Circular Rooflights are designed to remain fit for purpose in normal industrial conditions for a period of 20 years (Guaranteed for 10). They will not become perforated, lose signifiacnt structural integrity or distort to the extent of losing weather-tightness. In addition the polycarbonate used is guaranteed against loss of daylight transmission, discolouration or loss of impact strength for 10 years.
Safety Requirements/ CDM Regulations
Circular rooflightas achieve Class B non-fragility to ACR[M]001 when new and fully installed in accordance with the manufacturers installation guide
Foot traffic on all rooflights should always be avoided; impacts such as foot traffic or a falling person may cause damage which may necessitate rooflight replacement
Use the two diagrams below to help explain how to measure to ensure you order the correct size for your project.
Roof Dome - Select a roof dome that is the same size or bigger than the structural opening in your roof. Please note the daylight opening for Mardome Circular is equivalent to the diameter of the roof opening size less 150mm
Please note, due to the nature of this product our standard returns policy does not apply. Returns will be subject to a restocking fee. The product must be returned in the condition it was dispatched in (i.e. in saleable condition in it's original packaging).
The lead times and delivery service are displayed against each product, just below the price.
We will continue to send items on a Next working day delivery, but please accept delivery might take longer, this is out of our control.
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 deliveries to geographical areas represented as Zones C, D and E:
This includes certain parts of Scotland, Scottish Islands, Northern Ireland, Channel Islands and IOM)
You can return a standard product (most access panels and loft hatches) within 14 days of receipt. Roof domes, Roof Lights, Roof Hatches and AOV Smoke Vents will be subject to a collection restocking fee.
Please note Made to measure products cannot be returned.
Click here to download a return form.