Product Code: EG S4Delivery Time: 1 - 2 DaysRoof Opening Size: 600 x 600mm (When used with our PVC upstand)Existing Curb Size: 700 x 700mm ExternalDouble glazed as standard!U-Value 1.24W/m2k!High light transmission!Economical!When our designers asked us what we want from our glass rooflights it was clear, we want to provide the maximum amount of natural light in a building and at the same time provide a neat minimalistic finish to both the inside and outside. So we manufactured our rooflights with flat sealed glass units and incorporated a completely welded aluminium frame and cill detail. We then polyester powder coat the frame light grey as standard.Our flush, clean design creates efficient drainage of rainwater, the silkprint edge ensures that our double glazed rooflight holds unrivalled insulation values over other systems on the market.GlazingAll of our glass rooflights are manufactured with 32mm hermetically sealed Low E glass and are argon filled, this is as standard at no extra cost! Complete with a warm edge spacer, providing a high performance system, this is why our flat glass rooflights are the UKs leading.uPVC UpstandsLike all of our skylights we offer a bespoke uPVC curb upstand which is specifically designed to be used in conjunction with our glazed rooflights. Our uPVC upstands are vertically constructed and all finished in white internally. uPVC upstands represent excellent value for money, improve water tightness and enhance the overall appearance of the rooflight.uPVC curb upstands are manufactured with multiple internal chambers which gives an exceptionally robust and thermally efficient performance. This curb is can be used with 99% of waterproofing membranes.When ordering your skylight we always recommend you checking the following:Roof opening size!Is the roof being insulated?Your existing external builders curb size!Internal builders curb size!DeliveryPlease note that delivery times are estimated, although we aim to get your goods to you on a next day service.All goods must be checked for damages before signing for the in good condition, damged goods that have been signed for can not be returned.Any technical instructions or details are provided as guidance only. We strongly reccomend that no work should be carried out or installation companys booked prior to delivery and inspection of your Roofing Products.To ensure your installation meets the legally required standards; planning and installation should be carried out by a suitably qualified installer.