Photo detail

Camera Maker Nikon Corporation Camera Model NIKON D90
Aperture f/13 Exposure Value 0 EV
Exposure Program Unknown: 0 Exposure Time 1/160 sec
Flash No Flash Focal Length 30 mm
ISO 200 Metering Mode Pattern
Date/Time 2013:08:24 13:32:29 Resolution Unit Inch
X Resolution 240 dots per ResolutionUnit Y Resolution 240 dots per ResolutionUnit
Compression Jpeg Compression Contrast 0
Exposure Mode 0 Saturation 0
Scene Type Directly Photographed Sharpness 0
Subject Distance 2.11 Caption My first thought for filling the openings was to use expansion foam. Didn't work very well since there was no good way to close the top and after cutting, the surface is porous and would hold water.