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In construction, one of the more complicated and demanding joints is the window installation joint. Penosil offers a range of products for energy-efficient window installation.
1
Sealing window joints
2
Improving a window’s wind tightness
3
Weatherproofing joints under window tin
4
Sealing window tins
5
Installing windowsills
6
Air- and vapor-proofing windows
7
Installing construction boards to the window jamb
8
Sealing joints between windowsill and window frame
9
Sealing joints between window frame and window jamb
To minimize heat losses in window connections, the joints between the window frame and wall must be sealed with a construction foam. For window installation, it is important to choose a PU foam that has an elastic structure and is therefore able to move with the building’s deformations. The PU foam should also have excellent thermal- and sound-insulation values. Before applying the PU foam, the window must be mechanically fixed and supported according to the window manufacturer’s instructions. When applying the PU foam, the surfaces must be pre-moistened to ensure uniform foam structure.
Premium Window & Door Elastic Gun Foam 198 Elastic installation gun foam
Premium Window & Door Gun Foam 191 Installation foam for winter use
Window tapes help to protect the building´s structure and ensure a windtight connection between the facade and window.
Products available upon request. Visit our Global page!
External window tapes also help to protect the window joint and building structure from accidental water ingress.
To guarantee a weatherproof window joint, it is important to seal the window tin with an elastic and weatherproof sealant.
Compared to traditional methods, gluing the windowsill with an adhesive foam saves time, improves the window’s sound- and thermal insulation and helps to prevent the appearance of thermal bridges.
SpeedFix Construction 878 Foam adhesive with EasyGun applicator for narrow joints
To avoid heat losses, condensation and mold growth, the window and wall connecting joints should be sealed from the inside with air- and vapor-proof tapes.
The easiest way to install construction boards to the window jamb is to use one of Penosil’s adhesive foams. The adhesive foam saves time, improves the window’s sound-and thermal insulation and helps to prevent the appearance of thermal bridges.
One of the last steps in window installation is the final sealing and filling of window joints. For this work, it is highly recommended to use sealants with the right properties and high elasticity.
For this type of work, we recommend using sealants with high flexibility and using Penosil’s patented spatula during application. By strategically applying more sealant in the corners during installation, the joints can better withstand deformations. Despite efforts to minimize cracks, sealing work is often still necessary on-site due to the significant risk of cracks occurring during transportation.
