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Vapour barrier with a foil strength of 130 µm

167 Alfa Rufol sd100 E (vapour control layer)

This LDPE vapour check membrane for an airtight building shell can be used for pitched roofs and flat roofs.

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Item-No. Measures Packacking Unit Price Quantity
167 2540E (002) 4 m x 25 m Carton (2 pcs.) **
167 2540E (010) 4 m x 25 m 5 Cartons (10 pcs.) **
167 2540E (075) 4 m x 25 m Pallet (75 pcs.) **

Product description

LDPE vapour barrier with a strength of 130 µm

Alfa Rufol sd100 E is a simple, thin vapour barrier with a strength of 130 µm and an sd-value of > 100 m. It is particularly tear resistant. This simpler version of 175 Alfa Rufol sd 100L is completely blue and can be used for interior applications on walls, ceilings and roof constructions.

Alfa Rufol sd100 E is installed in flat roofs or pitched roofs in order to create an airtight building shell. The vapour control layer prevents the uncontrolled penetration of moisture into the insulation, which in turn prevents structural damages to the building.


  • Tear resistant
  • Sd-value > 100 m
  • Impact resistant
  • Prevents structural damage
  • Flammability: Class E
  • Conforms to the requirements of ZVDH and EnEV

Proven Quality

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