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What’s the newest house exterior cleaning solution?

Posted on 7/8/25 at 7:04 pm
Posted by Tiger In the Swamp
Louisiana
Member since May 2014
871 posts
Posted on 7/8/25 at 7:04 pm
I have painted brick and painted hardie.

Anyone tips on how to clean?

Thanks
Posted by biglego
San Francisco
Member since Nov 2007
82723 posts
Posted on 7/8/25 at 7:08 pm to
Hire a Mexican
Posted by KTShoe
Baton Rouge
Member since Dec 2020
530 posts
Posted on 7/8/25 at 7:26 pm to
My dad recently recommended 30 seconds Outdoor Cleaner that he got from Lowe’s. I used it and it works.
The label said to rinse off after 10-15 minutes for masonry, but less than a minute and it was ready to rinse.
Ate away at some gunk that was on my dormers with no zero effort.

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This post was edited on 7/8/25 at 7:28 pm
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
37914 posts
Posted on 7/8/25 at 8:53 pm to
JoMax
Posted by TheBoo
South to Louisiana
Member since Aug 2012
5322 posts
Posted on 7/8/25 at 10:39 pm to
30 second outdoor cleaner will work the best. I used wet and forget last time. Didn’t need a pressure washer but did have to scrub a bit. Impressive part is how long it has lasted. I’m on year three and finally getting close to needing to wash again. And I used a half a bottle on my entire house.
Posted by Theduckhunter
South Louisiana
Member since May 2022
1272 posts
Posted on 7/9/25 at 2:06 am to
30 seconds outdoor cleaner sprayed using a tree sprayer. I pretty much spray 1/4 of the house, rinse, then move onto the next section. Frequent washes makes it easier.
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5495 posts
Posted on 7/9/25 at 5:49 am to
I've only ever used outdoor bleach and Jomax. May have to try this stuff next time.
Posted by dukesilver72
Texas
Member since Feb 2015
1104 posts
Posted on 7/9/25 at 12:10 pm to
30 second cleaner. Was a jomax / bleach guy but this is my go to now.
Posted by GCTigahs
Member since Oct 2014
2423 posts
Posted on 7/9/25 at 12:21 pm to
30 second cleaner will make a wooden fence look brand new without using a pressure washer. Good stuff!
Posted by bayouvette
Raceland
Member since Oct 2005
5548 posts
Posted on 7/9/25 at 1:11 pm to
30 sec cleaner with bleach out Hardy board paint! Ask me how I know.

Didn't leave it on for more than 5 min..
Posted by Cosmo
glassman's guest house
Member since Oct 2003
128521 posts
Posted on 7/9/25 at 1:20 pm to
What about stucco?
Posted by Turnblad85
Member since Sep 2022
4158 posts
Posted on 7/9/25 at 1:36 pm to
Isn't 30 second cleaner just mostly bleach (SH)?


eta : google says its 5% bleach and 2-3% soda ash with a surfactant.
This post was edited on 7/9/25 at 2:21 pm
Posted by Tiger In the Swamp
Louisiana
Member since May 2014
871 posts
Posted on 7/9/25 at 1:36 pm to
quote:

30 sec cleaner with bleach out Hardy board paint! Ask me how I know.


What do you mean? And my paint is white.
Posted by Jmcc64
alabama
Member since Apr 2021
1698 posts
Posted on 7/9/25 at 2:43 pm to
how bout tiger stripes on white gutters?
Posted by bayouvette
Raceland
Member since Oct 2005
5548 posts
Posted on 7/9/25 at 8:45 pm to
My house is a light blue. The side that faces the sun I tested this out and you can see exactly where the product was sprayed. It turned it about 5 shades lighter
Posted by Clames
Member since Oct 2010
18731 posts
Posted on 7/9/25 at 8:57 pm to
quote:

Hire a Mexican


Then report him to ICE.


Just use Jomax.
Posted by Comancheria
Guntersville, AL
Member since May 2023
818 posts
Posted on 7/9/25 at 9:09 pm to
quote:

how bout tiger stripes on white gutters?


This stuff right here. I was skeptical but gave it a try after a couple other things didn't work and it was incredible. Dilute it 50/50 with water

It's like $3 and worked 10x better than some stuff that was $30.

Posted by White Bear
SPECULATION
Member since Jul 2014
17121 posts
Posted on 7/9/25 at 10:31 pm to
quote:

30 sec cleaner with bleach out Hardy board paint! Ask me how I know.
The colored Hardie?
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5495 posts
Posted on 7/10/25 at 6:03 am to
For the stripes on the gutters - did you have to scrub them, or just spray that and rinse?
Posted by Comancheria
Guntersville, AL
Member since May 2023
818 posts
Posted on 7/10/25 at 8:46 am to
quote:

For the stripes on the gutters - did you have to scrub them, or just spray that and rinse?


Just a little light scrubbing is all it takes. This video shows how easy it is (just watch the 2-3 minute part). I did the whole front of my house in like 30 minutes

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