wedi 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 membranes
» wedi Vapor 85 building boards with vapour membrane barrier applied in the factory
Applications of wedi 620 sealant
Applications:
wedi 620 is used for the waterproof adhesion of wedi sealing tapes, sealing corners, sealing gaiters, sealing membranes and wedi building boards with vapour membrane barrier applied in the factory.
In addition, the joint areas of the wedi Subliner Dry and wedi Subliner Dry & Flex sealing membranes can be bonded and sealed with wedi 620. For wedi Subliner Dry, the joint connections can be realised as overlaps or with a sealing tape. The joint areas for wedi Subliner Dry & Flex are always butt jointed and bonded with wedi sealing tapes and wedi 620.
Surface requirements:
The adhesive surfaces must be solid, load-bearing, dry and free of grease and dust. Any contaminants such as separating agents, preservatives, grease, oil, dust, water, old adhesives/sealants and any other materials that could impair adhesion must be removed.
Installation:
wedi 620 should be applied to the bonding surface with no bubbles and with good coverage (thickness max. 3 mm). For surface bonding, wedi 620 should be thinly spread on the surface with a fine grooved spatula or similar. The sealant is applied to the surface approx.