We use
- Very high quality selected and purposes of certification in Germany softwood, mahogany, oak.
- Standard glass 4h16h4 with the possibility of glazed color, low-emission K-glass, Sunergy and others.
- Fitting „Maco“ and „Siegenia“, allowing ednoploskostno and double opening, sliding.
- Impregnants and varnishes BASF and Sikkens with UV filters in a wide range of colors and the possibility of dvutsvetie, artificial aging.
- Seals of „Deventer“.
- Profile Drip profile of „Gutmann“
Main factors
- Insulation with a heat transfer coefficient K = 1.1W / m2 K (K-glass)
- Soundproofing in standard glass Rw = 32dB
- Airtight and watertight corresponding to the standard DIN 68121 / JV68