Question on fire-walls. Do you use one (1) "L" extrusion or two (2) "L" extrusions back to back? Seems like one leg would support coaming and the other supports the cowling. Or does the cowling overlap the coaming. I'm very confused.
![20100329_215239_untitled.JPG](https://proxy.imagearchive.com/1f1/1f1de1ec4ce3b79cb1309caea901b4dc.jpg)
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