Here is the link to a page where I documented my various projects on our C37. Then click on bomar hatches link
"Pages - PSC Owners | Google Groups
I bought the Ultraglaze from Bomar since they were good enough to send me tips on the rebedding. I have that posted on the above page as well.
While you are at it, check the SS bolts where they go into the AlMag cast frame. I had considerable pitting, so I switched to zinc plated hardware and also used TefGel for good measure.