FranMar 500MR Mastic Remover 95437 non-toxic polyurethane for wood or

non-toxic polyurethane for wood or concrete surfaces

Wind and weather-resistant — won't tear

rafters in attics as well as basement walls and floors

or wherever there is poor ventilation

If it feels smooth and oily

FranMar 500MR Mastic Remover 95437 non-toxic polyurethane for wood orNon toxic, biodegradable mastic and adhesive remover for concrete Franmar Blue Bear 500MR Mastic Remover effectively removes difficult mastics from concrete subfloors. Unlike most adhesive removers which are full of solvents and harmful chemicals that are dangerous to inhale, 500MR is very low odor and low VOC. It's specially formulated from 100% soybean oil and is completely biodegradable. It's also easy to apply, remove and dispose of and requires