Yes, there is a very strong odor due to the V.O.C.’s and when ventilated it should take approximately 1-3 days to dissipate. Please note: Use in a well-ventilated area, and never open or apply Volatile Organic Compound products near open flame, pilot lights, furnaces, and lit cigarettes, and etc. Protective gear is required for this product. We recommend purchasing: high quality protective eyewear, gloves and respirators. We only recommend the use of VOC products where states allow. Some states have regulations prohibiting the shipping and transporting of VOC coatings. Please check your states policy on VOC regulations.