Greenhouse Roof Angle

This will shed snow under most conditions but with twin wall coverings it is not always the case.

Greenhouse roof angle.

The best angle for greenhouse glazing in the roof is not as clear cut as some solar greenhouse designers make it sound. Here s a great article on finding the perfect pitch for your solar greenhouse. The standard pitch for a greenhouse roof is 6 by 12. Framing and glazing materials.

The slope of the north roof is an important feature of mackinnon s greenhouse though the precise angle of slope is not critical. In areas with heavy snow at least 3 or 4 feet is good to have so that snow won t pile back up onto the greenhouse roof or obstruct any vents. Same approximate angles as your 90 degree calculation model. Solar greenhouse designers often cite a rule of thumb along the lines of.

The two most common framing materials are wood and metal. Related to the roof slope is the freeboard the space between the lowest point of the roof and the ground. 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.