Hoklartherm | Riga Greenhouse Series, Premium German-Made Polycarbonate Greenhouses Model:XL9 = 14ft x 29ft 6in First ridge height: 9' 1" Internal 10ft 3in x AC-IBS33 Deck Boxes Size:7ft 4in X 20ft 9in

First ridge height: 9' 1"

14-16 weeks for non-stocked sizes and custom orders

You can add as many of these push out windows as you want to your greenhouse with the caveat that you cannot put windows adjacent to each other - so "every other panel" would be the most you can add

High-grade materials designed to resist weather

The Linea II is rated for snow loads up to 25 lbs per square foot

Hoklartherm Riga Greenhouse Series, Premium German Made Polycarbonate Greenhouses Model:XL9 = 14ft x 29ft 6in First ridge height: 9' 1" Internal 10ft 3in x AC IBS33 Deck Boxes Size:7ft 4in X 20ft 9in First ridge height: 9' 1" 14 16 weeks for non stocked sizes and custom orders