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TIMBERTEX Vapour Retarder

Tear-resistant, recyclable vapour retarder for vapour diffusing roof and wall makeups. Protects the insulation and structure from condensation build up due to controlled diffusion of moisture through the membrane.

DESIGNED FOR WOOD CONSTRUCTION
TEAR-RESISTANT

Product data sheet

Available dimensions
Product data
Processing guideline
Downloads

TIMBERTEX Vapour Retarder

Available dimensions
Product data
Processing guideline
Downloads

Available dimensions

Article number	Roll width	Roll length	Rolls / Pallet	Total area
2TTDB75	0.75 m	50 m	60 rolls	2250 m²
2TTDB15	1.5 m	50 m	35 rolls	2625 m²
2TTDB2	2.6 m	100 m	20 rolls	5200 m²
2TTDB3	3 m	100 m	20 rolls	6000 m²

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Product data

Field of application

for floor, wall, ceiling and roof
for indoor use

Advantages

wind and draught-repellent
robust and tear-resistant
recyclable
environmentally safe
air-tight
easy to install

Is a tear-resistant vapour retarder for non-vapour retardant roof and wall constructions. This vapour barrier protects the construction from condensation resulting from diffusion. It ensures that water vapour that has formed can diffuse through the thermal insulation in controlled amounts.

Material composition

PP - fleece

sd-value

10 (+3) m

Thickness

0.5 mm

Temperature resistance

-40–80 °C

Weight

100 g/m²

Thickness

EN 1849-2

Colour

Beige

Weight per unit area

EN 1849-2

sd-value - Standard

EN 1931

Elongation - lengthwise

60 - 100 %

Elongation - crosswise

80 - 125 %

Elongation

EN 12311-1

Tensile strength - lengthwise

160 N / 50 mm (± 30)

Tensile strength - crosswise

115 N / 50 mm (± 25)

Tensile strength

EN 12311 - 1

Tear propagation resistance - lengthwise

155 N (± 25)

Tear propagation resistance - crosswise

200 N (± 30)

Tear propagation resistance

EN 12310-1

Storage

cool and dry

Fire performance

EN 13501_1

Processing guideline

INFO

Vapour barriers can used with wall, roof and ceiling construction elements as an airtight layer and as a vapour retarding layer.

(1) MECHANICAL ATTACHMENT OF THE VAPOUR BARRIER

The vapour barrier is usually attached transverse to the position of the rafters, joists or beams with the smooth and/or printed side facing the installer. The lengths are fixed mechanically to the construction’s wood with approx. 10cm overlap using tacking staples. For metal C-studs a temporary attachment using double-sided adhesive tape or even a spray-on contact adhesive is a possibility.

(2) AIRTIGHT ADHESION

Airtight adhesion of the joints, connections and penetration points must be carried out using the AIRSTOP Adhesion system.

(3) TRANSVERSE LATHING / MOUNTED AT INTERVALS

The laths underneath the vapour barrier have to be mounted before the cellulose is blown in. The centre distance shall be less than ≤30 cm. The joints of the vapour barrier also have to be covered by an additional lath. Glued connections and joints that were under tension have to be mechanically secured. The membrane has to be applied without tension.

(4) LONGITUDINAL LATHING

When no transverse lathing is used, e.g. if formwork is installed on longitudinal lathing, the vapour barrier must be placed parallel to the rafters or to the construction. The joints must lie on the wood of the construction and be stapled overlapping and sealed using AIRSTOP adhesive tape. Before the insulation is blown in the longitudinal lathing must be mounted to provide mechanical relief of the joints.