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Any ideas as to why my deck is covered in fungus?

Posted on 5/12/14 at 12:17 pm
Posted by BullredsRus
Baton Rouge
Member since Aug 2007
754 posts
Posted on 5/12/14 at 12:17 pm
I have a lot of trees overhead and I am wondering if that's what's causing it. I just notice a lot of green on my wooden surfaces under the trees. It's my deck, and fence too. I've even noticed it on some of my bricks on my house. I've had it power washed somewhat recently, but it keeps coming back.
Posted by Choctaw
Pumpin' Sunshine
Member since Jul 2007
77774 posts
Posted on 5/12/14 at 12:17 pm to
try penicillin
This post was edited on 5/12/14 at 12:18 pm
Posted by TemplarTheSaint
The Vatican
Member since Oct 2011
704 posts
Posted on 5/12/14 at 12:18 pm to
Moisture can't escape. Need moving air
Posted by Ed Osteen
Member since Oct 2007
57445 posts
Posted on 5/12/14 at 12:18 pm to
wow, read this title a little too fast
Posted by mylsuhat
Mandeville, LA
Member since Mar 2008
48928 posts
Posted on 5/12/14 at 12:19 pm to
because you live in South Louisiana and thats what happens

buy a pressure washer
Posted by Brosef Stalin
Member since Dec 2011
39165 posts
Posted on 5/12/14 at 12:19 pm to
Bleach first, then pressure wash
Posted by Spirit of Dunson
Member since Mar 2007
23111 posts
Posted on 5/12/14 at 12:20 pm to
don't just pressure wash it. Use a deck cleaner that has bleach in it. Spray it on. Use a stiff broom to scrub it. Rinse. Then stain it.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41536 posts
Posted on 5/12/14 at 12:20 pm to
Is your deck on the north side? The north side of my house has to be pressure washed twice a year.
Posted by Chicken
Jackassistan
Member since Aug 2003
21949 posts
Posted on 5/12/14 at 12:21 pm to
Be careful with pressure washing. It can mess up the wood
Posted by Thib-a-doe Tiger
Member since Nov 2012
35346 posts
Posted on 5/12/14 at 12:23 pm to
quote:

deck covered in fungus






quote:

Be careful with pressure washing. It can mess up the wood








Posted by BullredsRus
Baton Rouge
Member since Aug 2007
754 posts
Posted on 5/12/14 at 12:27 pm to
Deck is on South Side. So it sounds like that Fungus is coming back with or without the trees. Does anybody think cutting them down would help?
Posted by Chicken
Jackassistan
Member since Aug 2003
21949 posts
Posted on 5/12/14 at 12:28 pm to
What type of trees?
Posted by LSUBoo
Knoxville, TN
Member since Mar 2006
101915 posts
Posted on 5/12/14 at 12:28 pm to
It's humid down here... try bleaching the deck. Water sealant too.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41536 posts
Posted on 5/12/14 at 12:29 pm to
quote:

Does anybody think cutting them down would help?

Probably not unless they are creating a very thick cover and preventing airflow...
Posted by mauser
Orange Beach
Member since Nov 2008
21440 posts
Posted on 5/12/14 at 12:30 pm to
Trim back the trees and let more sunlight in. Mold loves that shade, but the shade keeps the yard cooler.
Posted by CAD703X
Liberty Island
Member since Jul 2008
77945 posts
Posted on 5/12/14 at 12:30 pm to
quote:

Be careful with pressure washing. It can mess up the wood

max pressure 1000psi
Posted by Spirit of Dunson
Member since Mar 2007
23111 posts
Posted on 5/12/14 at 12:30 pm to
quote:

Does anybody think cutting them down would help?

Do they block out ALL sun on the deck? Are they so thick and surrounding that they block out all airflow?

Sounds like your deck isn't sealed, so water absorbs into the wood and stays there.
Posted by CAD703X
Liberty Island
Member since Jul 2008
77945 posts
Posted on 5/12/14 at 12:31 pm to
quote:

because you live in South Louisiana and thats what happens


bleach solution will help retard future algae growth

a good deck stain/sealer should also contain anti-fungus chemicals.

cant help you with the brick..just pressure wash it when it happens
Posted by Amazing Moves
Member since Jan 2014
6044 posts
Posted on 5/12/14 at 12:34 pm to
Your genital fungus is spreading?
Posted by BullredsRus
Baton Rouge
Member since Aug 2007
754 posts
Posted on 5/12/14 at 12:43 pm to
Yeah this one tree is right over the deck and it is pretty thick. And I did a thompsons water seal/stain when I first installed it about 4 years ago or so. I'm guessing that needs to be re-applied and is part of the problem along with the thick cover of the water oak right above it.
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