Ampacoll XT Double Slit breathable airtightness corner tape is:-
Where is it used?
How is it used?
How much will I need?
This product can be bought by the 60mm x 25m roll or in boxes of 10 rolls (10% cheaper than single roll cost). The backing is split at 12mm and 30mm to allow sealing around windows or sealing of internal corners in OSB boards or other sheet materials.