With the upcoming weather changes for fall/winter approaching, I decided to bite the bullet and put up some radiant type / bubble insulation with an R3.7 value. I placed all of this on Saturday last weekend and stapled it in place using a an Arrow T-50 stapler. I used approx. 8 - 2 x 25 rolls, and a single roll of 4x25 for the IBC Fish Tanks. This material was placed along the end and side walls, and also along the roof trusses. This also provides extra reflective light back onto the plants for added growth.
We had a cold snap this morning which dropped the temp down to 52 degrees outside. With the insulation in place and the greenhouse closed up the temp stayed a balmy 74 degrees.
Not bad for this amount of insulation, of course winter has not set in yet, so for added protection I have purchased a small ceramic based heater which I will use to supplement the natural radiant heat of the greenhouse. I also have purchased a digital dual 500 watt Titanium aquarium heater unit which will be placed in the Fish Tanks to regulate the heat during the winter.
Next up, the building of an Aeroponics cloner/seedling starter system.
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