Insulated sectional garage door sales have increased dramatically in the last few years. Now that garage doors are available with high levels of insulation and then by default also seal the opening very well it is easy to see why a lot of people would prefer this to a draughty garage door letting in wind, rain and dust.
Advantages: innovation in the low headroom lift type design. Reduced headroom and side room requirements. Headroom requirements 100 mm manual operation and 135 mm electric operation door. Easy to install DoorHan RSD series provide superior reliability.
Balancing mechanism: the balancing of the RSD01 doors is achieved with a special double spring system positioned vertically along the mounting angles on both sides of the door opening. The zinc coated springs are designed for 25 000 cycles operation.
We tell you the benefits of the best insulated sectional garage door types as well we will help you to do right choice.