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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 BB 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.

 
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Approved BB 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
4.JPG
97" at left edge of wall
97" at left edge of wall
5.JPG
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 BB 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
action-pic.JPG
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!

 
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Approved BB 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.
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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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