A retractable greenhouse rooftop system is probably the best option to consider since it is flexible and protects against cold climates with heavy snow loads.
Green roof and greenhouse differences.
Green roof temperatures can be 30 40 f lower than those of conventional roofs and can reduce city wide ambient temperatures by up to 5 f.
Tempered glass is much stronger than annealed glass due to the extra processes of treatment it endures.
Green greenhouses may sell because they look nice and still transmit about half of the par radiation but a 50 shade cloth would produce far more cooling inside the greenhouse without reducing par one bit more.
Newer minds have taken the rooftop greenhouse concept and built a business model for using the rooftop greenhouse not as a research center but as a commercial production greenhouse to supply the local market.
I ve got a friend who just bought a green plastic greenhouse and i am going to offer to help him replace it with a proper 6 mil uva.
Fiberglass panels are commonly used to cover greenhouses as they are durable lasting for up to 20 years.
On the other hand an open greenhouse roof allows fresh air in the hot months.
The whole green revolution shifted by the modern rooftop greenhouse results in endless benefits.
Available in clear frosted or green fiberglass panels run about 1 to 2 per square foot.