Portland Direct Tile & Marble Blog

Wedi 620 – Sealant„Bond and seal in one step.“Product informationwedi 620 is a single-component, ready-to-use, polymer sealant. It is indispensable to use in combination with wedi Vapor 85 building boards in areas with high-level of humidity and alongside wedi sealing tapes, sealing corners, sealing gaiters, sealing membranes. Its spreadable consistency makes joint sealing a breeze.Its versatility makes it suitable for one-step bonding and sealing the joints of:wedi Subliner sealing membraneswed …