7. Batter Boards Batter boards are the first step in building a square foundation. They are built perfectly square (using 3, 4, 5 method). String lines are then connected between each set of batter boards to keep the foundation square. Batter Boards at site of foundation already poured.
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12. Brick Sizes This is a picture that shows the two different sizes side by side. The red brick is modular (3 5/8” x 2 2/4” x 7 5/8”). The yellowish brick is an economy brick (3 5/8” x 3 5/8” x 7 5/8”). Modular Brick Economy Brick
42. Mortar This is a flush troweled mortar joint. It was approx. 3/8 inch but varied in different spots. These bricks are on an exterior wall around an old house in Marietta. I would guess this mortar is type N because it has no weight bearing on it. This is a concave tooled mortar joint. The joint is approx. 3/8”. These bricks are on an old building in Auburn. This mortar is probably type N.
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46. Plumbing Components Vent : This is the exterior view of the plumbing vent. Many new vent stacks don’t have to be vented to the outside. They have a special cap that allows them just to be vented to the attic and work just as well.
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48. Plywood Veneer: any of the thin layers of wood glued together to form plywood. The outside facing veneer is typically better finished. Grain of Wood Veneer