Watertightness

The characteristic showing resistancy to leakage.

Determined by ČSN EN 13859-1 or EN 20811. ČSN EN 13859-1 sets three categories: W1, W2, W3, in which W1 is the most watertight. EN 20811 declares the height of the water column that the product sustains.

Major characteristics overview

Exterior - roof underlays

Product	Water- tightness	Breath- ability	Reflexivity	UV resistance	Increased UV resistance	Strength	Fire reaction − class F	Fire reaction − class E	Fire reaction − class B	Low pitch	Weld- ability
JUTATOP	✓	✓			✓	✓			✓	✓
JUTATOP HTR	✓	✓			✓	✓			✓	✓
JUTAPRO	✓	✓			✓			✓
JUTADACH THERMOISOL W NP	✓	✓		✓		✓		✓		✓	✓
JUTADACH THERMOISOL NP	✓	✓		✓		✓		✓		✓
JUTA MONO EASY 0	✓	✓		✓					✓
JUTADACH 250 L5PP	✓	✓		✓		✓		✓		✓
JUTADACH 190 AL	✓	✓	✓	✓				✓
JUTADACH SUPER	✓	✓		✓		✓		✓		✓
JUTADACH MASTER	✓	✓		✓		✓		✓
JUTADACH 170 / 170 L3V	✓	✓		✓				✓
JUTADACH 150 / 150 L3V	✓	✓		✓				✓
JUTADACH 135	✓	✓		✓				✓
JUTADACH 115	✓	✓		✓				✓
JUTADACH 95	✓	✓		✓				✓
JUTADREN, JUTADREN LIGHT	✓	✓		✓				✓
JUTAFOL D	✓	✓		✓			✓
JUTACON	✓			✓		✓		✓
JUTAFOL DTB	✓			✓		✓		✓
JUTADACH 150 R2	✓	✓		✓				✓

Exterior - facades

Product	Water- tightness	Breath- ability	UV resistance	Increased UV resistance	Fire reaction − class E	Fire reaction − class B
JUTADACH 85	✓	✓	✓		✓
JUTATOP WB	✓	✓		✓		✓
JUTATOP WB LIGHT	✓	✓		✓		✓
JUTADACH THI WB NP	✓	✓		✓	✓

Interior

Product	Vapour- tightness	Reflexivity	Strength	Fire reaction − class F	Fire reaction − class E
JUTAFOL N 90‑110‑140	✓		✓	✓	✓
JUTAFOL N AL 125‑170	✓	✓	✓		✓
JUTAFOL REFLEX 100‑150	✓	✓	✓		✓