Foam Gun Högert Technik HT4R425 — professional applicator for polyurethane mounting foam

Högert Technik HT4R425 is a foam gun designed for controlled application of polyurethane mounting foam. The applicator provides adjustable flow control and a threaded connection compatible with standard foam cans, enabling precise dispensing for sealing, filling gaps, installing windows and doors, and insulation tasks in construction and renovation. The tool is built to facilitate measured foam output, reduce waste and improve accuracy compared with manual dispensing from cans.

Advantages

The foam gun delivers steady, adjustable foam flow for accurate application and minimal overspill. Its threaded connection ensures secure attachment to common foam cartridges, while the trigger and regulator allow fine control of output volume. The construction of the gun focuses on durability and ease of handling to support repeated use on job sites and DIY projects.

Suitable for

• Sealing joints and gaps around windows and doors
• Filling cavities and voids in wall and roof assemblies
• Insulating around piping and electrical penetrations
• General renovation and construction foam application tasks

Key specifications

• Adjustable flow control for precise foam dispensing
• Threaded connection compatible with standard polyurethane foam cans
• Ergonomic trigger mechanism for controlled application
• Durable construction suitable for regular use

How to use

Attach the foam can to the gun by screwing it onto the threaded connector according to the foam can manufacturer’s instructions. Adjust the flow control to the desired level before dispensing. Hold the gun at a slight angle and apply foam steadily into the joint or cavity, allowing it to expand naturally. Release the trigger to stop dispensing and wipe the nozzle if necessary. Follow safety and curing instructions provided with the foam product.

Usage recommendations

Use the applicator with polyurethane mounting foam designed for gun application. Work in well-ventilated areas and wear appropriate protective equipment such as gloves and eye protection. Clean the gun after each use following the foam and gun cleaner manufacturer’s guidance to maintain performance and extend service life.