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  • Dec 19th, 2020 1:12 pm
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Penalty Box
User avatar
Oct 13, 2008
4729 posts
1695 upvotes

Joists in basement

Anybody can advise what the black/brown (whatever colours) strip is at the bottom of the joist in my basement is?

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16'x11' Living Room 11' Cathedral Ceiling. Hisense 65Q8G. Denon AVR-S740H 7.2 setup. Jamo Classic 10 280W Towers - FR+FL; Polk S35 - Center; Klipsch R51M - RR+RL; Klipsch R14M - Dolby FHR+FHL; Polk HTS10 Subwoofer x2. Unlocked Android Boxes from Taiwan x2
2 replies
Deal Fanatic
Nov 21, 2013
5660 posts
3990 upvotes
Spruce or pine have gummy sap... my guess would be dried tree sap
Deal Fanatic
User avatar
Jan 6, 2002
5931 posts
6125 upvotes
Toronto
Tree goo from the tree whence the joist was cut.
As someone long prepared for the occasion, in full command of every plan you wrecked---
Do not choose a coward's explanation, that hides behind the cause and the effect...

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