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This is a badge bit (BB) that is part of the PEP curriculum.  Completing this BB is part of getting the sand badge in Natural Building.

Whitewash is a mixture of lime and water, typically used to finish exterior and interior woodwork.



Minimum requirements:
- white wash a 32 square foot area (shape is not critical)
- apply two or more coats (proper white washing may take up to 8 coats)

To get certified for this BB, post the following pics, or a short video depicting the same:  

- Raw materials.
- Before picture of 4x8 area to receive whitewash.
- Action pic (ideally, with YOU in it!)
- After picture of 4x8 area that received whitewash.
COMMENTS:
 
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Approved submission
Scraped old lime wash off a wall. Mixed some new whitewash and applied it to the same wall at Allerton Abbey.
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Staff note (gir bot) :

jordan barton approved this submission.

 
gardener
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Approved submission
Here is my submission for the Natural Building - Sand - Make 12 Adobe Bricks BB.

To document the completion of the BB, I have provided the following:
- Raw materials
- Before picture of 4x8 area to receive whitewash
- Action pic (ideally, with YOU in it!)
- After picture of 4x8 area that received whitewash

Minimum requirements - whitewash a 32 square foot area (shape is not critical)
0.JPG
Mix: Hydrated Lime, Sodium Cloride, and Water - Use Mask while working with powered lime
Mix: Hydrated Lime, Sodium Cloride, and Water - Use Mask while working with powered lime
1.JPG
Mixing
Mixing
2.JPG
~4' x ~8' Prepared wall - ready for whitewash
~4' x ~8' Prepared wall - ready for whitewash
3.JPG
49" - measured on the floor
49" - measured on the floor
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97" at left edge of wall
97" at left edge of wall
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applying the whitewash
applying the whitewash
6.JPG
two coats applied
two coats applied
Staff note (gir bot) :

Mike Haasl approved this submission.

 
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Approved submission
Made whitewash and helped put on a new coat on the wall at Allerton Abbey.

- Raw materials.
- Before picture of 4x8 area to receive whitewash.
- Action pic (ideally, with YOU in it!)
- After picture of 4x8 area that received whitewash.
raw-materials-whitewash.JPG
Lime, salty and water for white wash
Lime, salty and water for white wash
completed-wall.JPG
Completed wall
Completed wall
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painting on whitewash
painting on whitewash
wall-before-pic.JPG
Wall before - we were adding a new coat
Wall before - we were adding a new coat
mixing-whitewash.JPG
Mixing whitewash to a yogurt like consistency
Mixing whitewash to a yogurt like consistency
Staff note (gir bot) :

Nicole Alderman approved this submission.
Note: I hereby certify that this badge bit is complete!

 
pollinator
Posts: 56
Location: Boston, United States
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Approved submission
Make white wash bb submission:

During the PTJ, I noticed that the white wash being used for the Abbey was not sealing properly and flaking off the wall… so I did some investigating and this is what I learned in my experimenting:
* scraping all the way  down to the cob made it more difficult for the white wash to cure properly. The areas where we only sanded lightly sealed better, regardless of the wash being used.
*Thicker is NOT better. Anything past whole milk/cream consistency takes it out of “white wash” and into “plaster” which would require some kind of substrate such as sand to strengthen it.
*the ratios of lime to salt greatly effect the overall result. I found that by adding 1cup salt to a gallon of water first, was better than mixing all of the ingredients together at once.
*This is a SLOW process. The temptation was to add multiple layers at once which only resulted in more flaking.  In fact, with such a dry environment, keeping the room air moist by misting the air frequently helped to slow down the drying process, allowing the lime to cure more thoroughly. (Thanks for the tip on that one, Josiah!)
*it is important to check the “freshness” of the lime and only make what you need in the moment. Old lime will not cure as well as freshly slaked, hydrated lime.
0B08680C-662B-4248-B1BB-4AB195DE210D.jpeg
Scraping down peeled white wash that had not sealed to the wall in the Abbey.
Scraping down peeled white wash that had not sealed to the wall in the Abbey.
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Tested a few batches to try to determine what was wrong with the first batch of wash
Tested a few batches to try to determine what was wrong with the first batch of wash
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Better… the wash sealed better. Will still need some rounds of sanding and coating to smooth out those rough patches from before… but time and patience is key.
Better… the wash sealed better. Will still need some rounds of sanding and coating to smooth out those rough patches from before… but time and patience is key.
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Recipe: Hydrated lime was pre-slaked and mixed with regular table salt and water
Recipe: Hydrated lime was pre-slaked and mixed with regular table salt and water
Staff note (gir bot) :

Nicole Alderman approved this submission.
Note: I hereby certify that this badge bit is complete!

 
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Location: California
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Approved submission
Here is my submission for PEP BB naturalbuilding.sand.whitewash - Make White Wash:

Minimum requirements:
- white wash a 32 square foot area (shape is not critical)
- apply two or more coats (proper white washing may take up to 8 coats)

To get certified for this BB, I am posting the following pics:  
- Raw materials.
- Before picture of 4x8 area to receive whitewash.
- Action pic with me in it
- After picture of 4x8 area that received whitewash.

Note: Powdered lime is caustic before mixing thoroughly with water, so protective mask and eyewear is recommended. This particular wall received three coats but can obviously take a few more.

make_whitewash0252.JPG
Raw materials
Raw materials
make_whitewash0338.JPG
Raw materials
Raw materials
make_whitewash0336.JPG
Before picture of 4x8 area to receive whitewash
Before picture of 4x8 area to receive whitewash
make_whitewash0342.JPG
Action pic with me in it
Action pic with me in it
make_whitewash0349.JPG
After picture of 4x8 area that received whitewash
After picture of 4x8 area that received whitewash
Staff note (gir bot) :

jordan barton approved this submission.

 
pollinator
Posts: 94
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Approved submission
Here is my BB submission for the white washed wall. I ended up doing four coats before the coverage looked good on my section.

Minimum requirements:
- white wash a 32 square foot area (shape is not critical)
- apply two or more coats (proper white washing may take up to 8 coats)

To get certified for this BB, post the following pics, or a short video depicting the same:  

- Raw materials.
- Before picture of 4x8 area to receive whitewash.
- Action pic (ideally, with YOU in it!)
- After picture of 4x8 area that received whitewash.
IMG_20220712_114700640_HDR.jpg
Raw materials
Raw materials
IMG_20220713_083723035_BURST000_COVER_TOP.jpg
Cleaning area before
Cleaning area before
IMG_20220713_094543693_HDR.jpg
Whole area before, just starting to coat
Whole area before, just starting to coat
IMG_20220714_084933642.jpg
Whole area at 2 coats
Whole area at 2 coats
IMG_20220714_205730770.jpg
Final: after 4 coats
Final: after 4 coats
Staff note (gir bot) :

Nicole Alderman approved this submission.
Note: I hereby certify that this badge bit is complete!

 
pollinator
Posts: 172
Location: Val d'Espoir, Quebec, Canada, zone3a at the bottom of a valley
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Approved submission
Here's my submission for bb making a white wash. Annual white wash of my strawbale house with hydrated lime and rainwater mix.

Staff note (gir bot) :

Someone approved this submission.
Note: I hereby certify this badge bit complete.

 
Good heavens! What have you done! Here, try to fix it with this tiny ad:
Our perennial nursery has sprouted!
https://permies.com/t/174246
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