DELTA TERRAXX – High-Performance Protection and Drainage System

DELTA TERRAXX

DELTA®-TERRAXX is a versatile drainage and protection solution designed for modern construction projects, offering a wide range of applications from foundation walls and roofs to landscaping areas and surfaces exposed to vehicle traffic. With up to 100 years of durability, high drainage capacity and sound insulation properties, it provides long-lasting protection for buildings.

Main Advantages

Versatile Application:
Can be used for foundation walls, flat roofs, gravel-covered roofs, green roofs and areas exposed to vehicle traffic.

Superior Drainage Capacity:
Its 9 mm studded structure provides more effective drainage performance compared to mineral layers with a thickness of 20–30 cm.

100-Year Durability:
Successfully tested under demanding aging conditions and designed to provide long-term protection.

Impact Sound Insulation:
Reduces impact sound by 26 dB and up to 32 dB when combined with thermal insulation, improving indoor comfort by up to 50%.

Easy Installation:
Supplied in 15 m x 2 m rolls, allowing easy cutting and application around parapets and detailed areas.

Effective Load Distribution:
Provides up to 80% contact with waterproofed surfaces, reducing point loads and pressure concentration.

Resistance Against Clogging:
The laminated geotextile layer filters fine particles and prevents blockage of the drainage channels.

Integrated Adhesive Edge:
Provides fast, secure and watertight installation.

Application Areas

DELTA®-TERRAXX can be used in:

Gravel-covered roofs
Extensive and intensive green roofs
Stone, wood or gravel-covered terraces
Accessible areas and surfaces exposed to vehicle traffic
Foundation walls up to 10 meters depth
Methane and radon gas drainage systems

Technical Data

Property	Value
Sheet Material	HDPE (High-Density Polyethylene)
Geotextile Material	PP (Polypropylene)
Stud Height	~9 mm
Air Volume Between Studs	~7.9 l/m²
Compressive Strength	~400 kN/m² (DELTA®-TERRAXX TP: 650 kN/m²)
Tensile Strength	MD 15.7 kN/m – CMD 14.9 kN/m
Dynamic Puncture Resistance	35 mm
Characteristic Opening Size	140 μm
Water Permeability	0.07 m/s
Temperature Resistance	-30°C / +80°C
Roll Dimensions	15 m x 2 m
Durability	100 years (EN 13438)

Why Choose DELTA®-TERRAXX?

Long-lasting and standards-compliant drainage solution
Sustainable investment with up to 100 years of durability
High drainage performance as an alternative to traditional gravel layers
Additional contribution to sound insulation and indoor comfort
Easy installation with reduced labor costs

Frequently Asked Questions (FAQ)

1. How durable is DELTA®-TERRAXX?

Manufactured according to EN 13252 standards, DELTA®-TERRAXX provides a service life of up to 100 years under suitable conditions.

2. Where can DELTA®-TERRAXX be used?

It can be safely applied in foundation systems, green roofs, terraces, areas exposed to vehicle traffic and gas drainage applications.

3. Does DELTA®-TERRAXX contribute to sound insulation?

Yes. It provides impact sound reduction performance between 26–32 dB depending on the system configuration.

4. What is the difference compared to traditional gravel drainage layers?

With its thinner structure, DELTA®-TERRAXX provides high drainage capacity while reducing installation time and labor requirements.

5. What is the maximum installation depth?

It can be used on foundation walls up to a depth of 10 meters.

DELTA®-TERRAXX is a high-performance, versatile drainage system that provides long-term protection against water, pressure and external environmental factors in modern construction projects.