Single canned kit FG

[DHdriver]

I had an expired muntons canned Pilsner kit laying around so I though I'd brew it into a 3 gal batch, so leave out all/most of the sugar to hopefully get a slightly heavier beer. It's been fermenting for 10 days and I took the fist gravity and it's 1.018 and the OG was 1.044. This seems a little high if it's the FG. Will the LME lose fermentability over time?
I did 'proof' the yeast and it seemed viable, but it was the yeast from the can.

 

[scrawbag]

how out of date? if it was something like a year i would have dumped it. the fg from kits can vary wildly. warm it up a small bit for 2 days and give it a shake. leave it till next weekend to bottle. the instructions with the kit are only a guideline. double all times given. the yeast did work to get it down that low. the lme should not loose fermentability unless its so out of date its turning color. DWRAHAHB

 

[DHdriver]

It expired in 2011, I forget what month, I had an afternoon to kill and an empty carboy so I brewed it up, I figured I had not much to loose. I won't be bottling it right away I'm going to 'lager/age' it in a small barrel for a few weeks/month to see if the flavours will mellow then keg it. I'm in the process of warming it up.