New slats for better insulation in roof windows and ridge
To increase the insulation value Tulderhof invested to improve the dark out slats. These can be delivered in EPP, which is a high quality plastic with very high insulation value.
|Type||R (m2.K/W)||U (W/m2.K)|
|Double insulated 10-25||2,49||0,40|
|Double insulated 25-25||2,84||0,35|