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<strong>Permeable</strong> <strong>Paving</strong> <strong>Design</strong> <strong>Guide</strong><br />
M380 Tanking Membrane<br />
For Type C Priora <strong>Permeable</strong> Pavements<br />
n Impermeable polymer-blend membrane<br />
n Essential for tanking the sub-base of every Type C permeable system<br />
n Manufactured in “Marshalls Red” for easy identification on site<br />
n Double folded to minimise pack size<br />
n 380 microns - THINNER than alternative membranes, providing a lighter, easy<br />
to roll out product<br />
n STRONGER than alternative membranes, providing better puncture resistance<br />
and less chance of tanking failure<br />
n 80m2 roll size – LARGER AREA than alternative membranes means less<br />
jointing is required<br />
n Range of ancillary items available:<br />
n Marshalls Tanking Tape – for the waterproof jointing of Marshalls M380<br />
Membranes<br />
n 110mm and 160mm flexible top hat units – to create neat, secure pipe<br />
outfalls<br />
n Marshalls M380 Tanking Membrane can be welded for complete<br />
impermeability on projects where leakage is not acceptable. Contact<br />
Marshalls Technical Services on 08704 113344 for more details.<br />
Technical Specification<br />
Characteristic Value or<br />
Statement<br />
Units Compliance<br />
Criteria<br />
Test Method<br />
Length 20 m -0% / +10% EN 1848-2<br />
Width 4 m +/- 2.5% EN 1848-2<br />
Thickness 0.38 mm +/- 10% EN 1849-2<br />
Mass 395 g/m 2 +/- 12% EN 1849-2<br />
Resistance to impact 30 mm/diameter >MLV EN 12691<br />
Resistance to tearing 185 185 N MDV EN 12310-1<br />
Tensile strength 24.2 20.7 N/50mm MDV EN 12311-1<br />
Marshalls M380 Tanking Membrane<br />
Marshalls M380 Tanking Membrane with 20mm aggregate<br />
Dimensions Product Code<br />
M380 Tanking Membrane (roll) 20m x 4m (80m 2 ) DYPV9701000<br />
Top Hat including Clip 110mm DYPV9701100<br />
Top Hat including Clip 160mm DYPV9701200<br />
Jointing Tape (roll) 15m x 100mm DYPV9701300<br />
All Marshalls Membrane Products and Ancillaries are<br />
available ex-stock<br />
Marshalls Priora Aggregates<br />
Marshalls have partnered with carefully selected quarries from all over the UK to<br />
source the correct specification of aggregates for Priora permeable systems.<br />
n See full aggregate specification on page 43 of the Marshalls permeable<br />
paving design guide<br />
n Both 20mm sub-base aggregate and 6mm laying course/ jointing aggregate<br />
available nationally<br />
n Graded to provide a void ratio of at least 32% and up to 40%<br />
n Complies with BS 7533-13:2009<br />
n Infiltration Rate of 70,000 litres/second/hectare<br />
n Internal angle of friction has been tested to ensure constructability and<br />
structural stability, going further than the British Standard to ensure optimal<br />
performance<br />
n Reduce the carbon footprint of your job by using a local quarry<br />
* colour, texture and shape of aggregate will vary dependent on quarry location<br />
To order, please contact our Technical Advisory Service on<br />
08704 112233, who will put you in touch with your nearest<br />
recommended supplier.<br />
NB: You will need your Priora Fastquote number to achieve<br />
preferential Marshalls Priora Aggregate rates.<br />
6mm Marshalls Priora laying course aggregate<br />
6mm Marshalls Priora laying course / jointing aggregate*<br />
20mm Marshalls Priora sub-base aggregate*<br />
www.marshalls.co.uk/watermanagement<br />
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