Joint compound for waterproofing and sealing works in the construction sector. Used for repairing damage and filling in cavities in roofing (folds, cracks, crevices, blisters, leaks on damp and dry surfaces, etc.), for performing local waterproofing, making elastoplastic seamless waterproofing coatings underground, bath type waterproofing, etc. It is also used for bonding flashings with substrates and with each other, and for sealing flashings.