a3b685e9_ide_to_Hangar_Door_Replacement__Fabric_Lifting
[Bottom Rolling Slab Sliding] Cladding panels can achieve a range of insulation ‘U’ values from 0.45 W/m2K to 0.15 W/m2K with reasonable rates of air leakage due to the brush seals placed around individual leaves [Fabric Lifting] 
Not well insulated. However, they have been used in very cold climates and they do achieve a better air seal than a bottom rolling door
Guide to Hangar Door Replacement
Fabric Lifting