The seal might not have been too long. In any case you don't need glue to mend it although it does look good that way.
Here's a gap-free and cut-free technique. Next time try starting with both ends together at the front door jamb, butted up to each other and mounted to the jamb flange. You'll have a huge loop of seal to attach starting from there. (Be sure there isn't a twist in the seal when you start.) Work your way back alternating the seal application between the upper and lower door sections.
As you get toward the end of the loop of the door seal somewhere near the rear of the door it may look like you have excess seal material - it will create kind of a 'U'. Then pull off a foot or two of the seal near that loop and, while pushing the door seal so as to shorten each section as you re-apply it, you will get to the point where you have compressed the 'excess' seal material enough that the last bit goes on smoothly. If not, then keep working the loop along, pushing on the trailing bit while pulling up the leading bit. You will eventually get it all on there without trimming.
What happens is that there is enough pulling or bending action during normal application that the applied seal seems to be too long. The idea is to keep the stretching to a minimum and make up for it by compressing a section or two if necessary. It comes out nicely.
And it works both ways.....you can make a 'short' seal longer. In your case, Geoff, the 1/8 inch joint gap you ended up with will disappear if you pull off the seal off along the (lower) sill up to the joint, then make a good zero-gap seal joint at the ends and then work the seal back on from there along the sill. You'll be stretching it a bit along that section, which is fine.
Originally Posted by SoCalDMC12
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