Reduced risk of condensation
Made to Measure
- Free UK mainland delivery
- Fast delivery
- Great U values
- Sleek, contemporary inside and out
- Available in Single Double, Triple Skins and Quad skins
- Many sizes available from 600x600mm up to 1800x1800mm
- Various dome finishes available
- Option to purchase Multiwall PVC kerb
- Manually operated with a pole to open
Click Tabs Below To Reveal More Information
Mardome Trade Dome Manual Hinged Vent Rooflight are available in sizes a range of sizes. Polycarbonate dome available in a huge range of sizes and options to satisfy any requirement with a choice of finishes and glazing types. The rooflight is opened manually by an operating pole that is used to wind the rooflight open and closed by hand.
You can find installation guidelines below. A downloadable PDF link is also available at the bottom of this page along with a product data sheet to provide extra assistance.
If your product size doesn't match our sizes displayed, we offer to assess options to progress if you deem necessary. Standard sizes are available in 150mm increments starting at 600x600mm and go up to 1800x1800mm.
Measuring Guide for fitting to builders upstand
Take external builders upstand measurement
Fixed / unvented domes = dome size +20/-20mm
Opening / vented domes = dome size +40/-20mm
As an example, if fitting on a builder’s upstand, the width should be 75mm and height of the upstand should be 150mm high. If you purchase a 900mm by 900mm from the drop-down menu on our website your external timber size as shown in red above (Measure here) should be 900mm by 900mm.
Measuring Guide for domes with PVC kerb
Take the measurement of the internal roof opening
Acceptable tolerance = dome size +20/-30mm
For example, the drop-down menu on our website allows you to select the measurement you desire. If you purchase with a 150mm or 300mm high upstand and you purchase a 900x900mm from our drop down menu then your structural opening size will be 900x900mm as shown in red above. The timber size as shown in red above (Measure here) should be 900mm by 900mm.
*Centre pane U-value is a measure of the thermal efficiency of the glazing type.
#Ud-value is a measure of the thermal efficiency of the whole rooflight (calculated in accordance with NARM Technical Document NTD2).
~Glass glazing option is not available with the access hatch option and limits other opening options depending on size.
Part L Building Regulations require a U-value of at least 2.2W/m2K: Brett Martin Daylight Systems recommend the use of at least triple skin rooflights in all applications.
To see the light transmission properties of the polycarbonate rooflight, look at the below table
Clear - high visibility
Light transmission maximised
Clarity of vision of views and objects through the dome maximised
Opal - diffused light and solar control
Privacy in tandem with elevated levels of diffused light transmission
Reduced solar heat gain and no solar glare
Restricts sight of views and materials through the dome
Patterned - privacy
Privacy fused with elevated levels of light transmission
Impairs vision of sights and objects through the dome structure
Builders upstand (opening / vented)
Dome is supplied complete with uPVC frame that fixes to top of builders upstand and houses any opening / ventilation equipment
For mounting at roof surface level, providing 150mm of waterproofing height (exact kerb profile varies with specification)
For mounting typically below roof surface level, providing 300mm of height for insulation and waterproofing
2 manually operated hit and miss trickle vents providing combined 8400mm² equivalent area ventilation. Please note trickle vents cannot be supplied with 450mm by 450mm size.
10 year manufacturers warranty.
For standard size orders that are placed before 12pm, the lead time is generally 2-3 workings days.
Please note that the transport company is not responsible for delivering inside the property. They are not insured to do this so you will need to ensure an appropriate person is designated and on site to offload the product out of the vehicle once the driver arrives.
Please Note lead time to Ireland will be longer than the standard lead time above.