A high quality, elastic, 1-component, professional grade sealant based on polyurethane. It is easy-to apply and offers good weather and UV resistance. It remains elastic after curing and does not bubble in high temperatures or humidity. It is perfect for high movement or expansion joints.

BOSS® by Soudal Polyurethane Sealant, Series: 535 Series, Liquid Form, White, Composition: Oxypropylated Ethylated Glycerol, 1, 2-Benzenedicarboxylic Acid, Di-C9-11-Branched Alkyl Esters, C10 Rich, Polypropylene Glycol, Calcium Carbonate, Calcium Carbonate, Bis(2-ethylhexyl) Adipate, Sulfonic Acids, C10-21-Alkane, Phenyl Esters, Titanium Dioxide, N, N-Dibenzyliden Polyoxypropylene Diamine, 4, 4'-Diphenylmethane Diisocyanate, Bis(1, 2, 2, 6, 6-Penta-Methyl-4-Piperidinyl) Sebacate, 3-Glycidoxypropyl-Trimethoxysilane, Magnesium Carbonate, Salicylic Acid, Benzenesulfonyl Isocyanate, 4-Methyl-, Benzoic Acid, 4-[[(methylphenylamino)methylene]amino]-, Ethyl Ester, Alpha.-(3-Carboxy-1-Oxo-2-Propenyl)-.Omega.-Hydroxypoly(Oxy-1, 2-Ethanediyl) Alkyl(C9-11) Ethers, Benzenepropanoic Acid, 3, 5-Bis(1, 1-Dimethylethyl)-4-Hydroxy-, C13-15-Branched and Linear Alkyl Esters, Decanedioic Acid, Methyl 1, 2, 2, 6, 6-Pentamethyl-4-Piperidinyl Ester, Alcohols, C9-11, Ethoxylated, 1.3 Specific Gravity, -22 to 194 deg F, Additional Information: 50 to 60 min Skin Time, 30+/-5 Points Durometer Shore A Hardness, 165 psi Tensile Strength, >800% Elongation, 85 psi Modulus, 41 to 86 deg F Application Temperature

• Very good adhesion to most substrates
• Qualifies for LEED credits
• Good UV resistance and color stability
• Long life reliability
• Paintable with most paint systems
• Non-yellowing and not staining