Delta® Terraxx

What is Delta® Terraxx

Delta® Terraxx is a dimpled sheet with welded geotextile installed externally as a protection cum drainage layer to basement walls and its waterproofing system.

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    APPLICATIONS

    • External surfaces of walls in contact with the earth
    • Retaining walls, lift pit walls etc.
    • Extensively planted roofs
    • Basements and flat roofs
    • Walkways, flag pavements, gravelled flat roofs, and foundations slabs

    FEATURES

    • High compressive strength of 400 kN/m2
    • 9 mm dimples provides high drainage capacity
    • Resists degradation in soil and chemical attack
    • Non-polluting of drinking water
    • Unaffected by saline solutions, acids, alkalines, oil, polar liquids and solvents
    • Rot-proof
    • Excellent temperature range from – 30°C to + 80°C
    • Excellent resistance to puncture and decay
    • Guaranteed against degradation for 20 years
    • Outstanding drainage capacity of 3.1 l/s · m under a load of 20 kN/m2
    • Meets EN 13252, DIN 4095 and DIN 18195 requirements

    BENEFITS

    • Integrated sealing edge for easier laying
    • Installed swiftly and cost-efficiently without any additional excavation work
    • Excellent durability reduces future maintenance costs
    • Permanent-filtration geotextile keeps the dimple structure from silting up
    • Water drainage capacity greater than that of a gravel/chip bed
    • Protects basement-wall waterproofing and perimeter insulation boards from moisture, safeguarding their insulation performance
    • Maximum safety for basements from impounded, seepage, and fissure water
    • Reliably drains off methane gas and radon
    • May be installed at depths of up to 10 m, even in extremely wet environments
    • Forms an extremely robust protection and drainage layer

    SPECIFICATIONS

    Dimpled sheet material
    High-density polyethylene
    Geotextile material
    Polypropylene
    Dimple height
    approx. 9 mm
    Compressive strength
    approx. 400 kN/m2
    Air gap
    approx. 7.9 l/m2
    Service temperature range
    - 30°C to + 80°C
    Tensile strength
    MD 6 kN/m/CMD 6 kN/m (EN 10319)
    Dynamic perforation resistance
    40 mm (EN 918)
    Characteristic opening size
    150 µm (EN ISO 12956)
    Water permeability
    8 · 10-2 m/s (EN ISO 11058)
    Drainage capacity, water flow capacity in the plane
    3.1 · 10-3 m2/s (EN ISO 12958) at 20 kN/m2
    Roll size
    12.5 m x 2.4 m
    Durability
    To be covered within two weeks after installation. Will endure for 25 years in natural soil having a pH value between 4 and 9 and a soil temperature < 25°C.
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