When installing a door frame, using a high-quality mounting foam like the Fischer PU 2K 400 B2 can significantly improve the durability and insulation of your setup. From my experience, this two-component polyurethane foam adheres strongly to various surfaces and expands adequately to fill gaps without causing deformation of the frame. I recommend careful application in layers to control expansion and prevent mess. Additionally, the foam not only secures the door frame firmly but also provides excellent thermal and acoustic insulation. This is particularly beneficial in areas where walls or roof cavities need sealing to avoid energy loss or sound transmission. Make sure to wear protective gloves and work in a well-ventilated area, as the chemical components can be reactive before curing. To get the best results when using Fischer PU 2K 400 B2, ensure the surfaces are clean and slightly moisten them beforehand. This moisture triggers the foam’s curing process. After application, allow sufficient drying time per the manufacturer’s instructions before proceeding with finishing touches like plaster or paint. Proper use of this foam ensures your door frames are stable, insulated, and ready to last for years in any construction or renovation project.