Exitex Capex Snap Down Glazing Bar 10-25mm(Choice of colour and length)Low in cost, high in quality!Strong aluminium base bar with durable, maintenance-free uPVC top capping and end cap. Secures and seals polycarbonate sheets along the timber rafters of wooden conservatory, lean-to roofs, carports and shelters. Suitable for glazing of 10mm, 16mm, 20mm and 25mm thickness.Base Bars are screwed to the top of timber rafters to provide a seat for the roof material, before Top Cappings are pushed down firmly, until their toothed legs grip the relevant locking point on the Base Bar up-stand. Weather sealing is provided by rubber flapper seals that are coextruded along the top capping, whilst the underside is sealed by long-lasting EPDM rubber gasket that fits along either side of the base bar.Features & Benefits Easy-fit System - screw base to rafter and snap capping down Top Cap Flipper Seal - compression gasket for weather-proofing Rubber Base Gaskets - act as a seat and under-seal for glazing Aluminium Base Bar - strong and lightweight extrusion Long-lasting Material - durable and UV-stable parts Maintenance-free - top capping needs no annual painting Exitex are a leading manufacturer of weather-proofing products, with over 40 years’ experience in the design and manufacture of aluminium and uPVC glazing solutions, including Capex Snap Down.