TESCON EXTORA Weathertight sealing tape

TESCON EXTORA Sealing Tape is a flashing tape for use around the head and jambs (not sills) of framed joinery openings as a secondary weather resistant barrier.

TESCON EXTORA Sealing Tape can also be used as a jointing tape for rigid wall underlays (fibre cement sheet and H3.2 treated plywood) before they are over-fixed with a flexible wall underlay.

TESCON EXTORA Sealing Tape can also be used to seal flashing upstands to the wall underlay and as a lap sealing tape for flexible wall and roof underlays.

Roll sizes 60mm, 100mm, 150mm and 200mm x 30m

TESCON EXTORA Sealing Tape has been appraised as a flashing tape for use around the head and jambs of window and door joinery openings for buildings within the following scope:
• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
• with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
• with wall cladding systems complying with NZBC Acceptable Solution E2/AS1 or a valid BRANZ Appraisal that specifies a flexible flashing system; and,
• with a compatible flexible wall underlay fixed directly to the framing or over-fixed over a rigid wall underlay (fibre cement sheet and H3.2 treated plywood in accordance with NZBC Acceptable Solution E2/AS1 Paragraph 9.1.7.2); and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High.