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Old 20th July 2010
Gear Head

[QUOTE= only the front layer has foil if you are using more than one OC703 or 705 batt (e.g. 2 x 4 x 2")[/QUOTE]

So I should have the foil in the middle of the two 2" panels that I combine? If so, do the same "foil facing wall, foil facing room" principles apply????