Brand Alfa Diffusion-tight connection joints at doors and windows Alfa FULTRA-i is the red, diffusion resistant window membrane for the fast and airtight sealing of interior connection joints at doors and windows. Only foaming the window frame does not provide an air-tightness since builders’ PU-Foam is not airtight nor diffusion-tight. For this reason the use of window connection tapes for receiving an airtight building shell is required. Alfa FULTRA-i is best suitable for the use at renovation/restoration and new construction. The provided self-adhesive strip facilitates the fixation to the window frames and door frames. The airtightness to the brickwork can be ensured with our sealing-adhesive compound Alfa DS 100. Advantages In accordance with RAL and DIN 4108-7 Vapour diffusion-tight Balances building activities One-sided adhesive strip Can be painted & plastered over Fire class E Only for interior use
