Tricosal (Hong Kong) Ltd.

W  O  L  F  I  N

PROFESSIONAL

SAFE

If   there is only one
question which cannot
be answered "YES"
then equivalence does
not exist !!

' ---WOLFIN   IB- waterproofing membranes or other approved---'
So it is written in some specifications for roofing and waterproofing !

How can one prove that the quality of any
membrane meets the standards of WOLFIN  IB?

• Proven compatibility with bitumen for 10 years?

• Proven stability against UV radiation for 10 years?

• Homogeneous weldability?

• Tensile strength 18 N/mm²?

• Elongation at break 350%?

• Resistant to mineral oils and many other chemicals?

• Diffusion coefficient for water vapour definitely less than µ=13000

• Maximum shrinkage 0.5%?

• Rootproofed?