Geocell 2300

 

Solar Seal polyurethane caulk works well.

 

If you're not using it on fresh, new metal, before it gets wet or dirty, they are all going to suck.

 

I'm a big fan of solar seal. It seems that with gutters, no matter which brand you use, you need to use a lot.

 

Geocel 2320 gray, use plenty

 

Another vote for Geocel 2320. White on white gutters and clear on other colors.

 

never liked any geocell products very much. for gutters the best is Alcoa gutter seal . "liquid solder" . dosent work well though when its below freezing.

 

I use Ruscoe 12-3 with great results.

 

Sub it out with seamless gutters. No seams to fail.

 

There are still end caps, corner miters, etc. that need sealing.

 

anytime i work with sealing gutter metal i always pre clean with alcohol or brake cleaner

 

UMM, you are putting it on the inside, right?:sad:

 

:laughing:

 

Like rooferjim already said, this is the best stuff no doubt. Alcoa Gutter Seal.

http://www.vintagetrailersupply.com/Alcoa_Gutterseal_p/vts-138.htm

Andy.