DUSEAL Th membranes are tested to ASTM, UEAtc and other relevant international standards.
QUALITY ASSURANCE AND WARRANTY
Duproofis an ISO 9001 Quality Assured Company and all DUSEAL Th membranes carry a material warranty against any manufacturing defects
TYPE AND FINISH
|Nominal weight (Approx)||(Kg / m2)||1.7||2.0||2.2|
|Dimensions (length x width)||(m)||15 x 1|
|Coating||SBS- self adhesive modified bitumen|
|Type of carrier||Spun Polyester (P) or Glass fibre (G) or Aluminium (A) Composite|
|Top||Siliconized removable foil / paper|
|Bottom||Siliconized removable foil / paper|
To order specify reinforcement and thickness e.g. DUSEAL Th P 1.5 mm for polyester reinforcement and 1.5 mm thick sheet membrane.
DUSEAL Th is designed for use as water and vapor-proof underlay in multi-layer applications. Such applications include but are not limited to:
- Façade vapor barrier under thermal insulation boards such as expanded and extruded polystyrene, polyurethane, glass and rock wool.
- Under cap sheets on parapets, etc, e.g. with DUSEAL AG
- As a first layer in double layer applications e.g. with DUSEAL PS 250
- For use with light protection boards such as DUBOARD 3 mm, 3.5 mm or 4 mm
METHOD OF APPLICATION
Surfaces onto which the membrane is to be applied must be sound, clean and dry. Dust, loose material and protrusions must be removed and cracks, holes etc made good.
Priming: Apply one coat of DUPRIME solvent based bituminous primer to all surfaces at 5-6 m²/lit and allow to dry. Primed surfaces must be covered within the same day. If left exposed for longer periods, clean and re-prime before applying the membrane.
Membrane application: Position, measure and cut the membrane carefully as required before installation. Starting from one end, remove the release film and unroll the membrane, pressing firmly by hand and/or roller from the top to ensure full bond with no air pockets. Maintain a minimum of 80mm side laps and 150mm end laps between rolls and stagger the joints where possible. Press and roll laps from top to ensure a continuous seal.
Subsequent layer: The release foil on the top surface should be kept in place until immediately before installing the subsequent layer. Once ready, remove the siliconized foil or paper from the top surface and apply the second layer or board, pressing firmly onto the DUSEAL Th membrane below.
Contact the technical department of your local distributor for advice.
PACKING & STORAGE
DUSEAL Th membranes are supplied in rolls 1m x 15m; shrink wrapped on pallets. Keep rolls upright on pallets under shade. DUSEAL Th pallets should not be stacked one over the other.
HEALTH & SAFETY
There are no direct health hazards associated with DUSEAL membranes. Normal precautions for hot and volatile substances should be observed during application. Refer to our MSDS sheets for advice.
|Softening point||[ºC]||ASTM D 36||110|
|Flexibility at low temperature||[ºC] DIN 52123||–15 to -20|
|Heat resistance @ 90 °C/ 2 h rs.||[ºC]||UEAtc||No flow|
|Carrier||Polyester 100||Glass 100||Alum-Co|
|Tensile strength (L/T)||(N/5 cm)||UEAtc||300 / 250||250 / 200||400/350|
|Elongation (L / T)||(%)||UEAtc||20 / 30||2 / 2||5 / 2|
|Adhesion to primed concrete||N / mm||ASTM D 1000||> 1.8|
Note: These data are correct at the time of printing but may be changed without any prior notice subject to clients Requirements availability of raw materials or other conditions. This data sheet supersedes all previous Publications pertaining to this product. All reasonable care has been taken in preparing this document, which to the best of our knowledge is accurate and true. Recommendations and suggestions are made in good faith and should only be considered for general guidance. No liability is assumed or taken by us in relation to the application, as usage conditions and any labour involved are beyond our control.