Aquamac 21 is suitable for most timber applications. Impervious to both paint and stain, its high wear resistance is unaffected by rot or mould. Made from foam, Aquamac 21 is highly water repellent and will not freeze, and its also immune to the effects of UV light and ozone. Excellent memory and compression set. Easily installed with rigid foot.
Compensates for any sash or frame movement. High performance over a temperature range.