Bob's A-Frame Greenhouse — You can build a greenhouse like this, too!

Northern Greenhouse Sales Inc.

- Bob's Project Ideas -

Solar Collectors

Woven Poly Solar Collectors

Since poly is cheaper than glass some use it for that solar collectors. Remember that heat will cause poly to break down faster, so don't let the collector overheat. Ventilate with a fan.

Poly or Glass?

I prefer to use woven poly for large greenhouse expanses. It's fast, light, easy, and almost foolproof to put up. Glass, because it is heavy and breakable, requires to frost-proof, non-heaving expensive foundation. It is time consuming to mount and I do not like repeatedly caulking hundreds of feet of glass perimeters, which always seem to leak air somewhere. With small windowpanes all those frames can cut back on the light significantly. Many commercial greenhouses in the last few years have extensively switched to poly from glass, drastically lowering their labor costs (no glass upkeep) and virtually making the structures airtight.

Before Ordering: Please see our Vital Measurements chart for important ordering and measurement information.

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