Like Mike said, that stuff works great for kick panels. Thinking about it now it would likely work well for the A-pillars also. It too can be easily rolled into a bead.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: KevinW</div><div class="ubbcode-body">Ah, I used a brick of electrical box water seal (dark Grey) from a hardware store when I replaced my vert header and side covers on my 69. Worked well! Similar to this
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