Secures and seals 28mm glazing joints Strong aluminium Hsection for creating secure watertight joints between 28mm glass units or PVC panels. Features a thermal break to separate internal and external extrusions and stop the buildup of condensation. Also known as glass joiners or glazing connectors this onepart muntin bar is used to connect separate units of glass or polycarbonate sheets and frequently used when fitting opening roof vents into conservatory roofs. Features & Benefits Strong aluminium extrusion Thermal break stops condensation Internally ribbed to trap sealant Secure and reliable joint Hardwearing painted finish Choice of colour and length Simple onepart Hsection design Fit and forget reassurance Did you know Manufacturing limitations of glass and how it is being used can can restrict the maximum length of a unit. Muntin bars can be used to join more multiple units together and therefore span a longer distance. Technical Informatio...