Becky I purchased some weather striping at the local hardware that hade adhesive on one side and trimmed to fit when I replaced the ports on my M15 last year and it worked fine for last season. Be sure not to compress totally when installing. George Merry Helen II 96 M15 #602 -----Original Message----- From: montgomery_boats-bounces@mailman.xmission.com [mailto:montgomery_boats-bounces@mailman.xmission.com] On Behalf Of Becky Belding Sent: Thursday, April 10, 2014 8:06 PM To: montgomery_boats@mailman.xmission.com Subject: M_Boats: Replace windows Hi, I have 2 replacement windows that came with my M17...looking for some expert advice on the proper steps to install to make sure I get a good fit/seal. Photos attached... Many thanks for your assistance. Becky