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Caulk (also known as caulking and calking) [1] is a material used to seal joints or seams against leakage in various structures and piping. The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped seams between boards on wooden boats or ships. Cast iron sewerage pipes were formerly caulked in a similar way.
Silicone caulk can be used as a basic sealant against water and air penetration. In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (−O−R 2 Si−O−SiR 2 −, where R = organic group). They are typically colorless oils or rubber-like substances. Silicones are used in ...
Two-part silicones use moisture in the second component as well as a cross-linker such as active alkoxy to cure the silicone in a process called condensation curing. Two-part silicones can also be platinum catalyzed in a "addition" reaction. [3] Other reactive species to facilitate cross-linking include acetoxy, amine, octoate, and ketoxime. [4]
Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially if acrylic latex or polyurethane based) [2] and also serve the purposes of blocking dust, sound and heat transmission. Sealants may be weak or ...
A countertop, also counter top, counter, benchtop, worktop (British English) or kitchen bench (Australian or New Zealand English), bunker (Scottish English) is a raised, firm, flat, and horizontal surface.
Some public restrooms feature automatic faucets, which use a motion-sensing valve to detect the user's hands moving beneath the tap and turn the water on. Some kitchen sinks also come equipped with a sink sprayer. Sinks, especially those made of stainless steel, can be fitted with an integrated drainboard, allowing for the draining of washed ...
Formica kitchen countertop Formica laminate was invented in 1912 by Daniel J. O'Conor and Herbert A. Faber, while they were working at Westinghouse , resulting in a patent filing on 1 February 1913. [ 1 ] [ 2 ] U.S. Patent No. 1,284,432 was granted on 12 November 1918. [ 3 ]
The double-file kitchen (or two-way galley) has two rows of cabinets on opposite walls, one containing the stove and the sink, the other the refrigerator. This is the classical work kitchen and makes efficient use of space. In the L-kitchen, the cabinets occupy two adjacent walls. Again, the work triangle is preserved, and there may even be ...