Or if you go by the pd guide it talks about 150mm height off the roof.
Roof lantern height.
Atlas roof lanterns size chart.
Standard measurements for roof lantern.
The sketch below demonstrates how the height of the lantern roof is determined.
Roof lantern code frl 1510 frl 2010 frl 2015 frl 2515 frl 3015 frl 3020.
Roof lantern sizes.
Which will be near around 3 8m depending on the lanterns overall height.
Utile brazilian cedar or equivalent hardwood timber classified as durable very durable.
Keylite roof lanterns provide a traditional timber look with all the advantages of a thermally efficient strong and secure lantern solution for your home.
Roof pitch 30 degrees sidelight height where applicable 400 mm rafter width 40mm.
Atlas roof lanterns come in a traditional style and a contemporary style to match any home interior.
Both gorgeous in design each atlas roof lantern is double glazed offering u values from 1 60 to 1 43.
The most popular sizes we sell at sterlingbuild are 100x150 100x200 150x250 150x300cm.
Is the overall height of the extension measured from ground level to the peak point of the roof lantern.
In fact for both our korniche roof lantern and our atlas roof lantern the vast majority are 25 degrees.
Excessively large roof lanterns can overwhelm the rest of the room look out of proportion and come across as ostentatious.