ISO-MEMBRA SX

Product description

Product advantages

ISO-MEMBRA SX is a special sealing tape based on PUR-flexible foam, which is designed for the reliable sealing of moving joints with large joint tolerances. It meets the requirements of the newest guidelines, e. g. the energy saving regulation (EnEV), the IFBS guideline “joint tightness in lightweight steel constructions”.

It performs as a highly efficient membrane seal, enabling joints from 3 mm to 18 mm to be sealed with only 2 sizes of tape. The integrated membrane system ensures an improved sealant against driving rain, at the same time allows trapped building humidity to escape, avoiding damage caused through condensation.

Fulfils the requirements of the DIN 18542 BG1 and BGR for large joint tolerances
Integrated membrane system for improved sealing
High continuous movement absorption
Impermeable to driving rain in excess of 600 Pa
Vapour diffusion permeable
Weather proof
Delayed expansion, allowing more time for installation
Pre-compressed for ease of installation
Suitable for passive house construction
10 year performance guarantee*

*On the conditions of the manufacturer (available upon request).

Service

Applications

Available at short notice from stock
Competent technical application advice

ISO-MEMBRA SX is outstandingly suitable for sealing joints within the following ranges:

trapezoidal metal sheets, sandwich elements and metal structures
timber, log houses, solid and prefabricated building constructions
external insulation systems

It is also suitable for sealing window connection joints in old and new building structures.

Finishes

Finish A: single side self-adhesive (assists application)
Finish B: without self-adhesive (log cabins)

Packaging

Pre-compressed rolls, one side self-adhesive (assists application).

Technical data	Standard	Classification
Colour		anthracite
Classification, according to	DIN 18542	BG 1 and BGR
Building material class	DIN 4102	B 1 (fire resistant)
Air permeability coefficient	DIN EN 12114	a ≤ 0,1 m³/[hm(daPa)ⁿ]
Impermeable to driving rain, single joint	DIN EN 1027	≥ 600 Pa
Impermeable to driving rain, joint intersection	DIN EN 1027	≥ 600 Pa
Thermal conductivity		λ = 0,041 W/m*K
Water vapour diffusion resistance	DIN 12572	μ ≤ 100
Temperature change stability range	DIN 18542	-30°C to +90°C
Temperature stability range		-40°C to +100°C
UV light and weather stability	DIN 18542	requirements fulfilled
Compatibility with adjacent building materials	DIN 18542	requirements fulfilled
Dimension tolerance	DIN 7715 T5 P3	requirements fulfilled
ETA – 08/0249		CE mark since 2008
Shelf life		1 year, dry and in original packing
Storage temperature		+1°C to +20°C

Performance principle of membrane seal		Installation example sandwich elements

For metal constructions

For log cabins***

Dimension joint depth x width	Recomended joint width**	Carton (metres)
15 / 1 – 4	1 – 4 mm	250,0
15 / 2 – 6	2 – 6 mm	250,0
15 / 3 – 9	3 – 9 mm	200,0
15 / 5 – 12	5 – 12 mm	160,0
20 / 6 – 18	6 – 18 mm	84,0

** Movement in the structure and temporary longitude changes are to be taken into account when determining the max. joint width.

Dimension joint depth x width	Recomended joint width**	Carton (metres)
70 / 1 – 4	1 – 4 mm	80,0
80 / 2 – 6	2 – 6 mm	54,0
90 / 3 – 9	3 – 9 mm	30,0

*** ISO-MEMBRA SX “Finish B” without elongation-protection, without self-adhesive.

Product Data Sheet