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The staff bead, a 1-inch dowel with approx 1 ⁄ 3 shaved off the back, is set on the external corner by the joiner on site, fastened to wooden plugs set into the brick/block seams, or to the wood frame. Plaster is run up to the staff bead and then cut back locally to the bead or "quirked" to avoid a weak feather edge where the plaster meets ...
Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...
The rounded bead here was made with a scratch stock rather than the more common beading plane or router bit. A bead is a woodworking decorative treatment applied to various elements of wooden furniture, boxes and other items. A bead is typically a rounded shape cut into a square edge to soften the edge and provide some protection against splitting.
Bead moulding: Narrow, half-round convex moulding, when repeated forms reeding; Beading or bead: Moulding in the form of a row of half spherical beads, larger than pearling. Other forms: Bead and leaf, bead and reel, bead and spindle; Beak: Small fillet moulding left on the edge of a larmier, which forms a canal, and makes a kind of pendant. [1]
The development of plasterboard (a sandwich of gypsum plaster between two sheets of paper) dates back to the late nineteenth century in the US. The first patent was granted in 1894 but it was not until an American, Frank Culver, persuaded his new employer, Thomas McGhie and Sons, to buy a plasterboard plant from the US that this new product was introduced to Britain.
Plaster is widely used as a support for broken bones; a bandage impregnated with plaster is moistened and then wrapped around the damaged limb, setting into a close-fitting yet easily removed tube, known as an orthopedic cast. Plaster is also used in preparation for radiotherapy when fabricating individualized immobilization shells for patients ...
This joint is formed in a similar fashion as the weathered joint, except that the bottom edge, instead of the top edge, is recessed. It is not water and weather resistant, as it will allow water to collect on its bottom ledge. Raked joint For this design, mortar is raked out to a consistent depth.
The coating fluid transfers from the slot-die to the substrate via a fluid bridge that spans the air gap between the slot-die lips and substrate surface. This fluid bridge is commonly referred to as the coating meniscus or coating bead. The thickness of the resulting wet coated layer is controlled by tuning the ratio between the applied ...