Water in Cabin Yet Again

The 3m 4000 will not yellow as the 5200 and 4200 do. Loctite has a product very similar to 3M 4000, but much cheaper ( Loctite PL Marine is $13 for 10 oz at Home Depot) Neither of these are polyurethanes, but polyether compounds. They are fast cure, remain flexible, do not shrink and have very good adherent properties. A bonus is that they do not attack plastics, so can be used for bedding of a number of plastic hatches, port holes etc.
 
Thanks Bob. Come to think of it I think it was 4000. Good to know of cheaper alternative. 3M products are great but they sure are proud of them at pricing.
 
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