Tulderhof
Hotraco Agri
Hotraco Horti
Mooij Agro
Hotraco Grouppowered by hotraco
Technical data
| Type | R (m2.K/W) | U (W/m2.K) |
| Roof window HR+ single 0-25 | 1.99 | 0.50 |
| Roof window HR+ double 10-25 | 2.38 | 0.42 |
| Roof window HR+ double 25-25 | 2.71 | 0.37 |
Technical drawing of a blackout ridge
1 = 10 mm polycarbonate
2 = Plastisol top ridge fl a
3 = Ridge with HR+ slats
4 = Ridge beam
5 = Alu strip 40 x 4 mm
6 = Sealing foam
7 = Purlin (upright)
8 = Bottom pulley