
Polyurethane caulk Donseal PU440 Grey - 10.1 fl.oz.
One component, non-sag, elastomeric polyurethane sealant with high tear and weather resistance (Formerly known as Flexseal PU440) Advantages Very easy and economical to use. One component. Excellent ageing resistance. Paintable. Excellent acoustic properties. Remains elastic at temperatures down to -22oF (-30oC). Good resistance to microorganisms and a variety of chemicals. Good adhesion to most surfaces without the need for priming Applications General sealing of construction and expansion joints. Basement walls. Precast concrete elements. For concrete, wood, marble, aluminum, steel, ceramic, gypsum boards, etc. Standards Donseal PU440 complies with: ASTM C920, Type S, Grade NS, Class 25, Use NT, T, A, and M. S. Federal specification TT-S-00230C, Type 2, Class A. ISO 11600, Type F, 25 LM. EN 15651-1:2012, F-EXT-INT-CC. DIN 18540-F.