Express Windows Group Accessories Knockers Knockers Customise your front door with highly durable, modernly designed door knockers (ponytail design). Constructed out of top quality zinc material which lasts for years of use. Face fix install Specification – no need to drill through the door (screws not supplied for fixing plate) Meets BS EN 1670:2007 Grade 5 (480 hours) Suitable for most door types; composite, timber, aluminium and uPVC Check availability Contact a member of staff to check availability CONTACT US Knockers Gallery Maintenance For the continued defence of your hardware’s appearance, we recommend automated cleansing periodicially. Moving parts should also get lightly mechanical treatment, at least twice a year. to avoid accumulation. You can’t ignore the environment This procedure is crucial in areas where the environment puts a high level of stress, such as in coastal regions and coasts near building sites. When there is more frequent contact with corrosive substances like salt spray and industrial pollution, it’s especially important to keep the cleaning schedule regular to avoid accumulation.