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Belgafoil IN internal window tape is easy to apply and can be painted or plastered over.
It has a 25mm wide adhesive strip on one side that sticks to the window frame. For the proper bonding to the blockwork, an additional air tight sealant is required. We recommend our Belgaseal 310/600 air tight sealant.
Belgafoil IN is available in different widths.
Every roll has a length of 30m.
Required additional Belgaseal Air Tight Sealant per 30m roll (based on our own experience)
100mm - 150mm width / 6 tubes of Belgaseal 310 / 3 sausages of Belgaseal 600
Water tightness: > 3,000mm / DIN EN 20811
Water vapour permeability: SD = 39m
Airtightness: a(n) ≤ 0.1 / DIN EN 1026
UV resistant: 3 months