As is commonly used in Scandinavia, caulk with a bitumen base for traditional construction, for pouring into deck seams.
The chunks must be made liquid through heating and spread
with a steaming ladle or filler into the deck seams.
Average usage: 1 kg to 10 metre run.
Please download our traditional pamphlet No 8 "caulking" (only in german language, we regret) at "Downloads & Information" below.