Riga Mark IV Greenhouse – 135 sq.ft.: Superior strength and insulation with 8 mm twin-wall glazing in side walls, 10 mm twin-wall polycarbonate in front and back gables; 4 roof windows with automatic openers, 1 large rear wall window, 1 barn style door with lock (size: 30″ wide x 79″ high): overall size: 9’8″ w x 17’6″ long x 7’7″ high
Easy to Assemble
The Riga Mark IV features a sturdy rustproof, extruded aluminum frame. The unique “channel” design of the aluminum components allows for simple “slide and fit” assembly, thus saving time and money. Easy to understand step by step assembly instructions are included with every structure.
With the thickest twin wall polycarbonate offered on a backyard greenhouse, the Riga Mark IV hobby greenhouse carries the highest R factor of any hobby greenhouse on the market. This makes the Riga less expensive to heat.
Most hobby greenhouses manufactured today offer 4mm or 6mm polycarbonate covering. The Riga Mark IV hobby greenhouse carries the highest R factor of any hobby greenhouse on the market. It is covered with sturdy 8mm twin wall polycarbonate on the roof and side walls and the end walls are covered with heavy duty 10mm twin wall polycarbonate. This kind of covering provides better insulation making your Riga Mark V greenhouse easier to keep cool in the summer and warm during the winter months. The “onion” shape helps shed heavy snow loads.
Doors and Vents
The extra wide 30″ heavy duty dutch door with keyed lock is wide enough to easily pass a wheel barrow through. The extra wide 40″ x 24″ automated roof window(s) and oversized 30″ x 42″ gable end window maximize the benefits of natural ventilation.
Optional Base Kit
Heavy-duty 6″ tall extruded aluminum base for the Riga Greenhouse. Base can be placed directly on ground and if you choose, can be filled with sand, peagravel or concrete. Greenhouse frame slides directly onto base.