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DRENIZ Polymer Geomembrane

Roll drainage and insulating PVC profiled geomembrane with filter geotextile

РУССКИЙ

Drainage

Effective ground water drainage and hydrostatic pressure relief on foundation.

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Insulation

Mechanical protection of waterproofing against damage, sharp rocks, and chemicals.

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Ventilation

Creates an air gap for drying underground walls and preventing mold growth.

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Installation

Fast laying without heavy machinery. Labor time reduction up to 40%.

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Economy

Replaces 20-30 cm of gravel backfill. Optimizes logistics and material costs.

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Durability

Virgin PVC polymer. Service life 50+ years in aggressive ground environments.

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Foundation Design

Engineering Codes & Regulations

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Recommendations

Research Institute Guidelines

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Constructions

Wall Drainage Systems

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Dreniz membrane specifications

Technical Specifications

  • — Standard: TU 2246-001-17707235-2001
  • — Roll size: 1.0 x 15.0 meters (15 m²)
  • — Membrane thickness: 15 mm
  • — PVC sheet thickness: 0.3 mm
  • — Volume packaging: 4 rolls per 1 m³
  • — Weight of 1 roll: 15.75 kg

Price-list for Dreniz

  • — Dreniz: Full-featured with bonded Typar geotextile filter
  • — Dreniz-SF: Semi-finished without geotextile filter
  • — Dreniz-R: Reinforced heavy-duty (for depths > 15m) — custom order

Dreniz®

416.02 RUB / m²

Dreniz® SF

380.64 RUB / m²

Advantages

D.reniz presents the premiere PVC geomembrane manufactured with superior quality standards at manufacturer-direct prices. Featuring a unique double-sided 3D dimpled polymer shell, it significantly outperforms traditional single-sided polyethylene (HDPE) alternatives:

  • effective drainage of ground water from foundation walls;
  • additional thermal insulation and acoustic barrier;
  • continuous underground wall ventilation preventing moisture accumulation.

Structural diagram of DRENIZ® geomembrane: (photo)

  • ✓ 1 - specifically profiled PVC polymer sheet
  • ✓ 2 - bonded thermofixed Typar geotextile filter
Dreniz diagram 1
Dreniz diagram 2
Order original DRENIZ® geomembrane with filter directly from the manufacturing plant. [Visit Online Store and Calculate Batch]
Dreniz application area

Application Area:

  • — protection of underground structures and foundation walls from ground water;
  • — replacement of traditional sand-gravel prism wall drainage with modern high-efficiency systems;
  • — bed and planar drainage (green roofs, road infrastructure, underground parkings, basement slabs).

Key Benefits:

  • — dependable protection of foundation waterproofing against hydrostatic pressure;
  • — additional mechanical barrier shielding waterproofing from sharp rocks and construction debris;
  • — cellular structure creates an insulating air gap allowing walls to breathe;
  • — factory-calibrated drainage throughput that cannot be compromised during backfilling;
  • — rapid installation without specialized machinery and instant visual inspection;
  • — significantly reduces overall construction costs and natural gravel material consumption.

The polymer sheet is manufactured from rigid unplasticized polyvinyl chloride (PVC-U), characterized by three vital physical properties: lightness, exceptional mechanical strength, and self-extinguishing non-flammability.

This is crucial on active construction sites where welding works take place: when welding sparks land on Dreniz, it does not burn or melt through, unlike cheap polyethylene rolls used by competitors.

BEWARE OF COUNTERFEITS!

Only genuine DRENIZ® PVC membrane features patented bidirectional 3D dimples on both sides of the sheet. Inferior polyethylene copies only have one-sided dimples. (read more...)

«DRENIZ» is an officially registered trademark. Unauthorized commercial use by third-party manufacturers is prohibited by law!

> Installation instructions
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We offer a premium high-durability polymer alternative to Fundalin (ONDULIN, France), Delta (DORKEN, Germany), Protefon Tex (INDEX, Italy), Tefond Drain (TEGOLA, Italy), Blackline (MONARFLEX, Denmark). Dreniz provides significantly higher hydraulic throughput and structural longevity thanks to proprietary double-sided 3D PVC engineering.

Water Drainage System

DRENIZ membrane is a complete engineering solution. Due to its unique geometry, it functions as a natural water drainage pump requiring zero electrical power.

ParameterDRENIZ (Original)Standard Membrane
Filter MaterialTypar (DuPont)Cheap needle-punched
System SiltationZero / ExcludedAfter 1-2 years
Discharge Capacity4.8 l/s*mLess than 2.0 l/s*m

Important: Embedded Typar geotextile does not clog with fine soil particles, maintaining performance even in heavy loams.

Protection and Insulation

DRENIZ acts as a heavy-duty shield for primary waterproofing layers, preventing punctures and chemical degradation.

PropertyPVC (DRENIZ)PE (Polyethylene)
Bitumen ResistanceAbsolute / 100%Degrades & breaks down
Service Life50+ yearsUp to 15 years
  • Backfill Protection: Prevents stone punctures during construction and compaction.
  • Chemical Inertness: Virgin PVC composition is immune to alkaline concrete leaching.

Foundation Wall Ventilation

Creating an air gap is the key to a permanently dry basement. DRENIZ ensures continuous air circulation between the wall and surrounding soil.

  • Vapor Removal: Allows residual concrete moisture to evaporate and drain freely.
  • Thermal Break: Air interlayer reduces the risk of basement wall freezing.
  • Biocorrosion Defense: Ventilation eliminates mold and mildew formation.

Installation Technology

DRENIZ is designed for rapid installation even in tight foundation trench conditions.

  • Labor Savings: 2 workers are sufficient for laying. Rolls are easily cut with standard knives.
  • Interlock System: Edges overlap smoothly, ensuring continuous hydraulic integrity.
  • All-Weather Usability: Installation is possible at sub-zero temperatures and high humidity.

Economic Efficiency

Using DRENIZ membrane cuts project estimates right at the procurement stage.

MethodCostWork Duration
Crushed Stone (30 cm)High3-4 days
DRENIZ Membrane2.5x Lower1 day

Strength & Structural Longevity

High compressive strength allows DRENIZ application in projects of any scale — from residential villas to metro tunnels.

IndicatorValueStandard
Compressive Strength> 250 kPaGOST R 54475
Static Puncture Resistance> 2.5 kNISO 12236
  • Virgin PVC Polymer: Does not become brittle and will not crack underground.
  • Biological Resistance: Resistant to bacterial rotting and tree root penetration.
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