Bousillage

Bousillage (bouzillage,[1] bousille, bouzille) is a mixture of clay and grass or other fibrous substances used as the infill (chinking) between the timbers of a half-timbered building. This material was commonly used by 18th-century French colonial settlers in the historical New France region of the United States and is similar to the material cob and adobe. In French torchis has the same meaning or the meaning of a loaf of this material.[1]

Bousillage infill between the studs

Discussion

Bousillage in south Louisiana is a mixture of clay earth and retted Spanish moss, but in the Upper Mississippi River Valley and Canada contains straw, grass or hair,[1] used to fill in the panels in poteaux-sur-sol, poteaux-en-terre, and half-timbered framing (called colombage in French).[2] This was a technique used in French Louisiana by colonists from the 18th to 19th centuries. In France the framing was typically in-filled between the post with brick (briquette-entre-poteaux), stone and mud (Pierrotage) or bousillage. There was no stone in south Louisiana, and bricks were not being made during early colonial times. The colonist picked up on a technique that the Native Americans were using to build their wattle and daub structures, and that was heavy clay soil and retted Spanish moss as the binder. Split sticks or staves, known as barreaux, rabbits or batons were used as rungs between the upright post. They were shaped to fit at an angle and hammered into place without the use of nails.

Bousillage is made by layering a taché (hole in the ground) with mud and moss and adding water.[3] Then tacherons (barefoot men) worked the mixture into a mortar. Torchis (bousillage shaped like a bread dough loaf) are hung over the barreaux being compacted, one placed next to another. The finished wall would have been either lime washed or covered with lime plaster. The plaster contains animal hair as a binder.[4]

gollark: ++magic py await ctx.send("<@263493613860814848> is bees")return None
gollark: ...
gollark: ++magic py `await ctx.send("@Finianb1#0001 is bees")return None`
gollark: Wondrous.
gollark: ++magic py await ctx.send("<@263493613860814848> is bees")

See also

References
  1. McDermott, John Francis. "bousillage, bouzillage, n. m.". A Glossary of Mississippi Valley French, 1673-1850. St. Louis: , 1941. 34. Print.
  2. Edwards, Jay Dearborn, and Nicolas Verton. A Creole lexicon architecture, landscape, people. Baton Rouge: Louisiana State University Press, 2004. 32. Print.
  3. Blokker, Laura Ewen and Heather A. Knight. "Louisiana’s Bousillage Tradition: Investigation of Past Techniques for Future Practice". 2009 Fitch Mid-Career Grant. 2011. Print. accessed April 7, 2015
  4. Louisiana Vernacular Gumbo, by Edward Cazayoux and A Manual for the Environmental & Climatic Responsive Restoration & Renovation of Older Houses in Louisiana, by Edward Cazayoux
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