BLACK BACKER ATTACHMENT
Acoustically Transparent (AT) materials come with a black backer that must
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be installed to eliminate shine through.
Spread out the nuts in the top frame piece and attach the black backer to the nuts with
the thumb screws. Flip screen over and make sure that the screen material is flat and
tight everywhere.
Note: If the notch in the black backer is not aligned with the vertical support then flip it
over.
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For AT Material Only
SLATE or PURE
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