The joists were pressure treated lumber so i was surprised at how badly decayed they were.
Treated deck boards rotting.
Deck joists rotting from the top edge down because the deck boards and debris keep them damp for weeks after rain.
He sees it all the time.
Because dry rot is a fungus it can spread like a cancer throughout a deck.
Lashed by rain and wind and further weakened by sun exposure wood decks can collapse due to rot and other structural imperfections injuring close to 34 000 people annually.
But my friend wasn t.
There s no doubt that treated lumber rotting can lead to structural defects that cause decks to collapse.
Rinse and let dry.
Cut replacement deck boards from matching lumber using a circular saw.
I m starting to have some rot issues with my 10 year old deck.
So he has two rot fighting tips for deck owners and builders.
Not only are some of the treated wood decking boards rotting but i m also noticing that the tops of some of the joists are.
Knowing how to stop wood rot from spreading can mean the difference between spending 20 or 2 000 repairing your deck wood rot in decks is common and can be a minor issue with a simple repair but it can also be a major risk to structural integrity when undetected or left untreated.
Moisture and pooling water on decks can lead to rot and decay.
Sometimes these stories make it to the news but my guess is you d have to dig deep into insurance industry records to see the extent of treated lumber structural collapse incidents that are the result of rotting wood.
My deck had holes and was starting to rot which make it ugly and could be dangerous too.
The best way to protect from pressure treated wood rot is to apply a deck preservative.
Dry rot is caused by microorganisms that eat the cellulose from the wood leaving it brittle.
And once the organic matter is in there it can induce rot in the deck boards and in the joists below.
This creates a 1 8 inch wide gap that forms a collection zone between boards and on top of every joist.
But wood decks are not expected to last forever.
Deck boards many carpenters use 16 penny nails to space deck boards.
It s nearly impossible to remove leaf litter from such a narrow gap.
If you have a pressure treated deck this can be a harder problem to avoid.
Apply in the solution with a scrub brush.
In certain conditions even pressure treated wood can rot and decay.
Watch this quick guide on.
Outdoor decks can provide years of service as the go to spot for entertaining barbecuing or just relaxing on a sunny day.