The design follows the most important rules of architectural design and made the internal widths of hip rafters, main rafters, jack rafters and ridge all the same.
60% slimmer internal ridge than alternatives
38% slimmer internal hip than alternatives
Over 50% lower external bulk
Tested to wind pressure of up to 1.32 KNm-2
Structural ringbeam supplied with Atlas lantern roof kits doesn’t rely on the structural stability of the builders kerb on site
Pressure plated system for extra security
No need for excess silicone at the connections to keep water out
Ensures a fast high quality installation
SUPERIOR THERMAL PERFORMANCE
Thermal break in ridge and rafters prevents cold getting to the inside of the rafter.
Industry leading ridge and rafter U Values
Best U Value available for double glazing 0.9 w/m2k
DESIGN DETAIL - THE ARCHITECTS CHOICE
Roof proportionately correct with ridge and hips all 40mm