The "Good Bunker" - Composite Watertight Bunker Molds for Concrete / Earth Covering
The Good Bunker - Modern, Fast and Cost-effective Way to Build a Bunker
The Good Bunker is a modular underground shelter system based on prefabricated polypropylene modules that provide the form and permanent watertight shell for the final reinforced concrete structure.
After installation, the modular structure is reinforced and cast in concrete, while additional concrete and/or earth covering can be incorporated according to project requirements to increase structural and blast protection. This approach combines the advantages of fast modular installation with the strength and protection of a reinforced underground structure.
The polypropylene construction creates a continuous watertight and corrosion-resistant shell, protecting the structure against groundwater and moisture. Unlike conventional temporary formwork, the polypropylene shell remains an integral part of the finished bunker, supporting durability and reliable operation over many years.
The modular concept allows individual units to be connected to create shelters of different sizes and configurations, from compact private bunkers to larger multi-room protective shelters.
Why The Good Bunker?
-
Modular & Customizable – Multiple polypropylene modules can be connected to create different layouts, capacities, technical rooms, storage areas and living spaces.
-
Permanent Polypropylene Shell – The prefabricated structure serves as the form for reinforced concrete construction and remains part of the completed shelter.
-
Watertight & Corrosion-Resistant – Polypropylene provides a durable protective barrier against groundwater, moisture and corrosion, supporting a long service life.
-
Reinforced Concrete & Earth Protection – The installed modules can be reinforced, cast in concrete and covered with additional concrete and/or earth to achieve the required structural and blast protection.
-
Fast Installation – Prefabricated modules simplify on-site assembly and reduce the amount of conventional formwork and construction work required.
-
CBRN Filtration & Blast Protection – Available with Atmas Group CBRN filtration systems, blast-resistant doors and hatches, and other specialized shelter components.
-
Complete Shelter Configuration – Options include ventilation, power and backup systems, water storage and filtration, sanitation, sleeping areas, storage and other equipment for short- or long-term occupancy.
-
Worldwide Delivery – Modular construction is optimized for efficient transportation and installation, with solutions available internationally through Atmas Group and its partner network.
The Good Bunker combines a permanent watertight polypropylene shell, reinforced concrete construction and modular design to create durable underground shelters that can be adapted to different protection levels, capacities and applications.
Modules Selections for the Good Bunker Configuration
Optional Configurations of the Good Bunker
Hidden Bunker
-
4 m² square main module
-
Entrance module on the top
-
SAFE 360 CBRN filtration and ventilation system (optional)
-
Fresh air duct 2 pc. (optional)
-
Blast and gastight hatch with top opening
-
Special equipment for electricity, water, storage and more. (optional)
Ask us for DWG models or other design files
TGB Basic
-
4 m² main module
-
Entrance module
-
SAFE 360 CBRN filtration and ventilation system (optional)
-
Fresh air duct 2 pc. (optional)
-
Blast and gastight hatch with top opening
-
Special equipment for electricity, water, storage and more. (optional)
Ask us for DWG models or other design files
TGB T1
-
8.8 m² main module
-
Entrance module
-
SAFE 360 CBRN filtration and ventilation system
-
Fresh air duct - 2 pc.
-
Blast and gastight door - 1 pc.
Ask us for DWG models or other design files
TGB T2
-
8.8 m² main module
-
Entrance module
-
Emergency exit module
-
SAFE 360 CBRN filtration and ventilation system
-
Fresh air duct - 2 pc.
-
Blast and gastight door - 2 pc.
Ask us for DWG models or other design files
TGB Modular
-
unlimited number of modules
-
CBRN filtration and ventilation systems (optional)
-
Fresh air duct (optional)
-
Blast and gastight door and hatches (optional)
-
Special equipment for electricity, water, storage and more. (optional)
-
Special equipment for electricity, water, storage and more. (optional)
Ask us for DWG models or other design files
Contact Form
Why We Collect Your Contact Information
We use your contact information only to respond to your inquiry and provide the requested information, products, services, or support.
To ensure the best possible assistance, your inquiry and contact details may be shared with an authorized Atmas Group distributor, partner, or representative responsible for your country or region. We do not sell your personal information or share it with unrelated third parties.
By submitting this form, you acknowledge that Atmas Group Oy may process your personal data for the purposes described above. For more information about how we collect, use, share, store, and protect your personal data, including your privacy rights under applicable data protection laws, please see our Privacy Policy.