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Barrel Vault Rooflights

The Barrel vault is a low profile arc rooflight that is 1/5th of the span to which the rooflight area is covering, generally supplied in either double or triple glazing polycarbonate, however if no thermal performance is required then single glaze polycarbonate can be supplied i.e. within a walkway.


Barrel vault rooflight low rise (rise in centre 1/5 of kerb width).


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.


Structural kerb by others to take imposed loads.
Minimum 100mm wide x 150mm high above finished roof level.


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.


They have been tested and are classed as NON FRAGILE Class B.
To ACR(M)001:2014 Test for non-fragility of profiled sheeted and large element roofing assemblies. (Fifth Edition)

'U' Value:

Double skin 2.7


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


To suit your kerb size.


In accordance with Lareine Engineering fixing recommendations.

Commercial & Industrial Barrel Vault Rooflights UK

Commercial Barrel Vault Rooflights UK