Building Project Information. On May 2, 2017, the New Bremen Schools Board of Education will be placing a bond levy on the ballot for a new K-8 building. You can find more information about the building project by using any of the Building Project links within the red navigation bar above or by clicking here.
Bitumen is the thickest form of petroleum there is, made up of 83% carbon, 10% hydrogen and lesser amounts of oxygen, nitrogen, sulphur, and other elements. It is a natural polymer of low molecular weight: at lower temperatures it is rigid and brittle, at room temperature it is flexible, at higher temperatures it flows.
Unlike many other traditional roof shingles and rolls, which are mainly composed of slate, wood, ceramic, asbestos, or bitumen-soaked paper, rubber roofing shingles are usually be made from recycled (vehicle) tires (a tremendous source of waste material), sawdust and slate dust. The rubber roofing shingles manufacturing process looks the following: 1  the tire wall is removed and the tread section gets cut into large pieces;  treading gets buffed off and the rubber surface is coated with slate dust or sawdust (comes from recycled sources, like recycled slate tiles or mills);