requiring only a few household tools and an additional helper

all screws included

If you prefer to have a professional crew install your greenhouse

The TERRAFORM 12 is powered by an advanced dual-cylinder inverter compressor for stronger output

23ft x 14ft

Janssens | Roof Wind Brace Party House requiring only a few householdThe Janssens Roof Wind Braces are additional extra wind straps that can be added in corners of the roof to increase wind rating of your Janssens greenhouse. Your Janssens greenhouse comes standard with one wall wind strap per corner glazing panel and no roof wind straps. Use these roof wind straps when your structural engineer calls for them based on your local wind and seismic codes, or when you are in a high wind area and want extra stiffness in the