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Modular Polycarbonate Rooflights

We offer a range of modular polycarbonate domes and pyramids in a range of standard sizes, to suit roof openings up to (please advise).

Our polycarbonate domes and pyramids are supplied complete with aluminium kerbs as listed below, or as glazing units only, for installation to proprietary kerbs - if required.

There are many varied ways of linking domes and pyramids together to form cost-effective large area roof glazing. Please consult our technical department for more information.


Rooflights suitable for all types of flat /pitched roofs.
They have been tested and are classed as non fragile Class B to ACR(M)001:2005 Test for Fragility of Roofing Assemblies.


Aluminium, aluminium to BS 1474:1987 Alloy 6063-T6.


Polyester powder coated to BS 6496 Interpon D36 range.
25 Year life expectancy on powder coating.


RAL 9010 white matt or any standard RAL colour.


Lareine Engineering proprietary aluminium upstand 250mm high. This kerb is painted white internally. The upstand is insulated externally with GRP or aluminium to suit your Roofers requirements.
Depth of upstand can be changed to suit your particular requirements.
Lareine Engineering proprietary aluminium upstand 150mm high. This kerb is painted white internally. The upstand is insulated externally with insulation encapsulated in aluminium.


3mm UV coated polycarbonate inner skin, 3mm or 4mm UV coated polycarbonate outer. 
The glazing is Makrolon Mono Longlife UV resistant polycarbonate sheet. 10 Year warranty on breakage, excessive yellowing and loss of light transmission.
Fire Rating: Makrolon 2099 when tested to BS 476 Part 3 is rated AA surface spread of flame to BS 476 Part 7 Class 1. Class O material to Building Regulation 1985. TP(a) rigid classification as described in approved Document B of Building Regulation 1991.


Triple skin with aluminium kerb 1.4W/m2K

Double skin with aluminium kerb 2.6W/m2K


Dome or Pyramid.


Clear – light transmission 90% Opal – light transmission 60%.


To suit your roof opening __mm x __mm

Other requirements:

Non Vented, Pole Operated Control Vent, Pole Operated Hinged Opening Vent, Electrical Opening Vent, Access Hatch.


In accordance with Lareine Engineering fixing recommendations.