Wall hatch with insulation in weather-resistant construction
practical and versatile wall hatch

EXT is a robust wall hatch manufactured in aluminium or hot-dip galvanized steel. It is designed to provide easy access to technical installations or service spaces behind wall cladding, while offering weather protection and visual integration with the building’s exterior. The hatch is easy to install and convenient to open and close, making it ideal for both new construction and retrofitting projects.

Materials and Finish

– Aluminium: Supplied in standard colour RAL 9006

– Hot-dip galvanized steel: Supplied in standard colour RAL 9010

– Can be painted in any RAL colour upon request

– Equipped with a weatherproof seal to protect against rain and moisture

Insulation and Dimensions

– Approx. 30 mm insulation integrated in the hatch construction

– Maximum manufacturing size: up to 1000 × 1200 mm (clear opening)

– Customizable according to project requirements

Locking Options

– Square key lock – standard for discreet and secure access

– Fire department lock – compatible with emergency services’ key systems

– Cylinder lock – for enhanced security and individualized key control

Areas of Use

– Service hatch in exterior wall or facade

– Electrical panels, piping, and ventilation installations

– Technical access in multi-residential or commercial buildings

Advantages of EXT

– High weather resistance thanks to sealing and insulation

– Lightweight design (especially in aluminium version)

– Easy to install in various wall types

– Flexible design – customizable in colour and size

– Also suitable as part of a smoke ventilation system or technical access solution

Installation and Recommendations

EXT is installed in exterior walls and should be mounted flush with the wall surface. To ensure weather protection and long service life, the following should be considered:

– Proper sealing around the frame and gasket

– Choose the appropriate lock type based on required security class

– Adapt insulation and surface treatment to suit the surrounding climate

Complementary Products

– Security grilles: Enhanced protection for wall or technical area installations