Sunday, August 12, 2012

Constructing the vents

Special attention to build the vents so they will be weather-tight when closed.

First, I ripped a 2x4 into 3 equal parts.  Two thirds will make the vent window and the last third will be the stops inside the frame.


Here are the two-halves reassembled for added strength.  Notice the overlapping in the corners:

Here is the vent with weatherstripping on the bottom with hinges installed.  I wrapped both sides of the frame with 6 mil greenhouse film (4-year) and stapled then taped the edges.  The entire assembly is less than 10 pounds and should work well with an automatic vent opener.

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