A high quality, low modulus and neutral curing silicone sealant. It adheres to a wide range of porous and non-porous surfaces. Suitable for all purpose internal and external applications including perimeter pointing around all types of window frames. Glazing applications including work with insulated glass units. Sealing soft metals like lead, copper & zinc. General weather and draught proofing applications. Fixing PVCu trims and panels. Key Features Excellent material compatibility. Suitable for interior and exterior use. +/- 25% joint movement. CE certified & tested for use on frame and glazing projects. Available in ECO-PAC packaging. New ECO-PACs are aluminium foil sausages that replace traditional single use plastic cartridges. These strong durable packs are easy to use with no mess and contain less than 1% plastic. They're much better for the environment because they generate 96% less waste volume. As well as the environmental benefits, you also benefit financially. Because a 400ml ECO-PACs is priced to be better value for money than its smaller plastic cartridge equivalent.