12-19-2010, 09:58 AM
That wavy fiberglass pattern was so that even if you had lading right up against the wall, air could still circulate past it.
Tom Carter
Railroad Training Services
Railroad Trainers & Consultants
Stockton, CA
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![[Image: gaugetraingifsigUP.gif]](http://i79.photobucket.com/albums/j137/wprm/gaugetraingifsigUP.gif)
Railroad Training Services
Railroad Trainers & Consultants
Stockton, CA
<!-- m --><a class="postlink" href="http://www.railroadtrainingservices.com">http://www.railroadtrainingservices.com</a><!-- m -->
<!-- e --><a href="mailto:tomwcarter@railroadtrainingservices.com">tomwcarter@railroadtrainingservices.com</a><!-- e -->