Diagnosing cracked and peeling exterior woodwork

What the numbers show

Counted from the threads quoted below. How we count

• The most recent one is from October 2026.
• This comes up 26.5× more often in r/HomeImprovement than across the site as a whole.

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Poking the wood with a knife to test if it crumbles from rot
2. 2
   Considering backer rod and silicone caulk as a potential patch
3. 3
   Seeking advice on specialized home maintenance forums
4. 4
   Renting a walk-behind sander to completely strip existing finish down to bare wood
5. 5
   Scrubbing with a deck stripper and cleaner, followed by gentle pressure washing
6. 6
   Applying an oil-based bonding primer and two coats of exterior porch and floor paint
7. 7
   Switching to a penetrating oil stain for easier maintenance
8. 8
   Treating algae between stripping and sealing processes
9. 9
   Flipping the deck boards over to use the unexposed side

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.