Homade Chink? Anyone been there and done that? in Timber Framing .
I have used the "modern" chinking mixture posted by Stephen and Radar, to replace . building that you want to be air-tight, consider placing a tight fitting foam board in between the .. Mix and add: 6 cups sawdust or hemp hurd powder. . PPB's love starch, the flour paste sounds like chumming for insects.