Same approximate angles as your 90 degree calculation model.
Greenhouse roof angle.
If you design your internal structure according to local codes however you will not have any difficulties.
I m not sure what the optimum for greenhouses is although following your stated numbers of 44 degrees latitude with the 20 plus or minus values gives you 64 degrees for winter and 24 degrees for summer.
Related to the roof slope is the freeboard the space between the lowest point of the roof and the ground.
Sunlight which enters the greenhouse and strikes the aluminum foil covered roof white paint works well too is aimed back down to the growing beds.
The best angle for greenhouse glazing in the roof is not as clear cut as some solar greenhouse designers make it sound.
The slope of the north roof is an important feature of mackinnon s greenhouse though the precise angle of slope is not critical.
The standard pitch for a greenhouse roof is 6 by 12.
While the logic behind this rule is sound it is a dramatic oversimplification that can lead to costly and.
This will shed snow under most conditions but with twin wall coverings it is not always the case.
The two most common framing materials are wood and metal.
Here s a great article on finding the perfect pitch for your solar greenhouse.
To find the best angle for a greenhouse roof take your latitude and add 20 degrees.