Denso Premseal 450

Denso Premseal 450 Bitumen Impregnated Geotextile Tape

An external joint sealing system comprising a fast drying bitumen based primer, overwrapped by a tape constructed with a non-rotting synthetic carrier.

A woven polypropylene backing coated with a modified bituminous self-adhesive
compound. Includes a release liner (interleaving), which is removed prior to use, for ease of
application and handling.
Waterproofing in the construction industry when applied in accordance with BS 8102.
For waterproofing of bridges, foundations, basements, roofs, decks, lift shafts, pits, service
reservoir roofs, car parks, subways, bathrooms, balconies or trafficked structures where a high
shear resistance is required.

• Sticks and bonds rapidly and permanently to clean, dry surfaces
• Fast and simple application
• No special tools, heating or drying required
• Flexible, long-lasting, self-sealing to minor substrate blemishes
• Can help prevent mould by sealing out moisture
• High puncture resistance and joint water pressure resistance
• Low water vapour transmission
• Withstands hot pours on roadways and car parks