While awaiting your answer, I called MD’s Customer Service line. They were quite helpful and said that they don’t make a product with a silicon bulb. The gentleman went further to explain the interaction (chemical) between the vinyl and the latex paint. He recommended a special order of their EPDM Rubber bulb product through Lowe’s or HD.
I’m doing this research for my daughter and son-in-law in Mill Valley, CA, and this may take some time. I’ll keep trying to find the Pemko 297_S or Columbia 320_S, which sounds like the safest bet.
Republic offers a complete line of standard and specialty hollow metal doors to fit your architectural needs. Republic doors are available in 20, 18, 16, & 14 gauge cold rolled and galvanized steel. All doors come with a ¾” cell honeycomb core as standard, providing every door with a smoother, flatter, and stronger door. Republic honeycomb doors are available in a complete range of fire ratings (20 minute up to 3 hours) and are certified under both Underwriters Laboratories and Warnock Hersey/ITS. All doors are manufactured from stretcher level quality steel and are thoroughly cleaned and phosphatized inside and out offering excellent corrosion resistance and paint adhesion.