Geberit Drainage Systems - Planning and Installation Guide - Valid from January 2023

Oct 25, 2026

Uploaded by Bintang

Planning and installation guidance for Geberit drainage systems effective from January 2023. Covers the drainage-system overview for Geberit HDPE and Geberit Silent-db20, including application ranges, suitability and limitations, and comparative properties such as density and thermal behavior. Provides structured planning and processing instructions, tools and standards, plus system descriptions and technical data for Geberit PE, Geberit Sovent and Geberit Silent-db20. Includes system components, connections, installation rules, commissioning and leak testing, and cross-system applications.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages163

Reading Time6 h 51 min

AccessFree to download

Overview of drainage systems

Application range

Properties

Processing tools

Geberit PE

System description

System planning and processing

Geberit Sovent

System description

Standards and tests

System planning and processing

Geberit Silent-DB20

System description

System planning and processing

Cross-system applications

Fire protection

Moisture protection

Waste fittings and traps

Geberit air admittance valve

Waste water prefabrication

Installation

Commissioning

PLANNING AND INSTALLATION GUIDE GEBERIT DRAINAGE SYSTEMS VALID FROM JANUARY 2023 GEBERIT DRAINAGE SYSTEMS | 1 | GEBERIT DRAINAGE SYSTEMS | | | --- | --- | --- | | 1.1 | Overview of drainage systems | 5 | | 1.2 | Application range | 5 | | 1.3 | Properties | 6 | | 1.4 | Processing tools | 8 | | 2 | GEBERIT PE | | | 2.1 | System description | 11 | | 2.1.1
2.1.2
2.1.3
2.1.4 | Overview of Geberit HDPE | 11 | | | System components | 11 | | | Connections | 12 | | | Technical data | 13 | | 2.2 | System planning and processing | 15 | | 2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7 | Fastening pipes | 15 | | | Building connection | 39 | | | Duct connection | 40 | | | Installation in concrete | 43 | | | Installation in the ground | 48 | | | Low pressure applications | 51 | | | Adapter for Geberit Silent-db20 and third party materials | 54 | | 3 | GEBERIT SOVENT | | | 3.1 | System description | 57 | | 3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6 | Overview of Geberit Sovent | 57 | | | Structure of Geberit SuperTube | 58 | | | Structure of the Geberit HDPE Sovent fitting d160 | 59 | | | Application range | 60 | | | Function | 60 | | | The load bearing capacity of Geberit HDPE Sovent in comparison to conventional stack versions | 64 | 3.2 Standards and tests 65 3.2.1 Standards 65 3.2.2 Tests 65 3.2.3 Approvals 65 3.3 System planning and processing 66 3.3.1 Planning rules in accordance with Geberit and BS EN 12056-2:2000 66 3.3.2 Dimensioning 92 3.3.3 Installation rules 96 3.3.4 Installation manual 97 1 GEBERIT DRAINAGE SYSTEMS | 4 | GEBERIT SILENT‑DB20 | | | --- | --- | --- | | 4.1 | System description | 105 | | 4.1.1
4.1.2
4.1.3
4.1.4 | Overview of the Geberit Silent-db20 | 105 | | | System components | 105 | | | Connections | 107 | | | Technical data | 107 | | 4.2 | System planning and processing | 108 | | 4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6 | Fastening pipes | 108 | | | Compensation for offsets in the stack | 116 | | | Installation in a prewall | 118 | | | Installation in concrete | 119 | | | Design of anticondensation insulation with a Geberit Isol Flex sound insulation mat | 124 | | | Adapter for Geberit PE and third party materials | 125 | | 5 | CROSS-SYSTEM APPLICATIONS | | | 5.1 | Fire protection | 129 | | 5.1.1 | Geberit fire protection sleeve RS90 Plus EN | 129 | | 5.2 | Moisture protection | 131 | | 5.2.1
5.2.2 | Geberit puddle flange | 131 | | | Moisture protection for wall and ceiling feed-throughs | 132 | | 5.3 | Waste fittings and traps | 134 | | 5.3.1 | Connection with a Geberit sleeve | 134 | | 5.4 | Geberit air admittance valve GRB50 | 135 | | 5.4.1
5.4.2
5.4.3
5.4.4 | System description | 135 | | | Planning | 138 | | | Installation | 138 | | | Maintenance | 140 | | 5.5 | Waste water prefabrication | 141 | | 5.5.1
5.5.2 | Planning and implementation of the waste water prefabrication | 141 | | | Determination of the effective pipe length with the X-dimension method | 142 | | 5.6 | Installation | 144 | | 5.6.1
5.6.2
5.6.3 | Creating welding joints | 144 | | | Creating anchor points with electrofusion tape | 156 | | | Installing the Geberit Isol Flex sound insulation mat | 157 | | 5.7 | Commissioning | 161 | | 5.7.1 | Leak test | 161 | 2 GEBERIT DRAINAGE SYSTEMS 3 CHAPTER ONE GEBERIT DRAINAGE SYSTEMS GEBERIT DRAINAGE SYSTEMS OVERVIEW OF DRAINAGE SYSTEMS 1.1 OVERVIEW OF DRAINAGE SYSTEMS Geberit offers the following drainage systems for building drainage: • Geberit HDPE • Geberit Silent‑db20 Geberit HDPE offers a full range for all types of drainage, from building drainage to trade effluent. Geberit Silent‑db20 is designed for buildings with sound insulation requirements thanks to its excellent sound insulation properties. 1.2 APPLICATION RANGE The following table indicates the areas for which the Geberit HDPE and Geberit Silent‑db20 can be used. Geberit S

FAQs

Which Geberit drainage systems are covered in the guide?

The guide covers Geberit HDPE and Geberit Silent-db20 for building drainage, and further includes system descriptions for Geberit PE, Geberit Sovent, and Geberit Silent-db20.

What is the application range difference between Geberit HDPE and Geberit Silent-db20?

Geberit Silent-db20 is intended for buildings with sound insulation requirements, while Geberit HDPE provides a full range for all drainage types from building drainage to trade effluent, with both systems having specified suitability limits.

What installation and commissioning activities are referenced for Geberit Silent-db20?

The guide references system planning and processing steps such as fastening pipes and specific installation scenarios, and includes commissioning with a leak test.

Oct 25, 2026

Uploaded by Bintang