Purenite
![Purenite windows window-accessories insulation window-understructure purenite](https://www.feneste.com/wp-content/uploads/9.7.1.1.3.webp)
Purenit is a functional material based on rigid polyurethane foam with high thermal insulation. Its specific density is 550 kg / m2, which makes it a lightweight material with its stability, hardness and thermal insulation properties. Being diffusion open, it has fascinating climatic properties. Under wet conditions, purenite shows remarkable characteristics.
Even extreme and long-term humidity does not cause distortions. Purenit does not rot or mold, these features make it suitable for use in the production of building elements and assembly works.
Popular window accessories
New in accessories for windows
Other window accessories
![Opening from the floor windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.9.webp)
Opening from the floor
More
![The second handle on the movable mullion windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.5.webp)
The second handle on the movable mullion
More
![Window diffusers windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.3.1.3.webp)
Window diffusers
More
![Muntins windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.4.1.1.2.webp)
Muntins
More
![Low threshold windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.10.webp)
Low threshold
More
![Brake in the handle windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.2.webp)
Brake in the handle
More
![Blockade of incorrect position of the handle windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.1.webp)
Blockade of incorrect position of the handle
More
![Tilt limiter windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.3.webp)
Tilt limiter
More
![Graduation of the tilt windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.4.webp)
Graduation of the tilt
More
![Temporary handle for renovation windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.1.1.7.1.webp)
Temporary handle for renovation
More
![Concealed hinges windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.8.webp)
Concealed hinges
More
![Microventilation windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.2.11.webp)
Microventilation
More
![Sills windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.6.2.3.1.1.1.1.9.webp)
Sills
More
![Facade blinds windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.05.1.2.2.webp)
Facade blinds
More
![Roller shutters windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.05.1.1.2.2.webp)
Roller shutters
More
![Handles windows window-accessories insulation window-understructure](https://www.feneste.com/wp-content/uploads/9.1.2.1.2.7.webp)
Handles
More
When to use understructure (klinaryt, purenit)?
More
What is the difference between Purenit and Klinaryt?
More