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Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Sanitary Appliances

Bathtubs by Materials

Solid Surface

  • Made with acrylic and/or polyester resins and baked into sheets. Resin provides flexibility while polyester provides dramatic coloring.
  • Color and texture remain intact despite wear
  • Retain heat well
  • Available in a wide range of colors
  • Stain-resistant
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  • Acrylic sheets are heated, formed into a mold and reinforced with fiberglass, after which wood or metal reinforcement is usually added.
  • Offer a wide choice of styles and shapes
  • Resistant to abrasion and fading
  • Lightweight
  • Hold heat well if insulated
  • More expensive
  • May scratch
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Cast Polymer

  • Solid-color polymer-based materials often made to resemble onyx or granite. Finished with a polyester gel coat.
  • Mimic the look of stone while offering the flexibility of synthetic materials
  • Thick
  • Retain heat well
  • Gel coating is somewhat less durable than acrylic
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Cultured Marble

  • A manmade material composed of crushed limestone and polyester resin with a gel-coat finish.
  • Require more maintenance
  • Offer many colors and patterns
  • Provide a sleek, stylish look
  • May be brittle and scratch easily
  • More expensive
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Enameled Cast Iron

  • Cast iron molded into a bathtub shape and finished with enamel. Generally thicker than other materials.
  • Durable and solid
  • Available in a range of colors
  • Retain heat well
  • Excellent soundproofing
  • Heavy−may require structural reinforcement
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Enameled Steel

  • installation hight - 515mm for Ideal Standard Baths to underside of lip
  • standard size 1700x700mm
  • Manufactured to BS4305 (EN198)
  • Waste hole – 1½''
  • Resembles cast iron and is produced by spraying enamel onto molded steel and firing the tub at a high temperature.
  • Less expensive than cast iron
  • May chip somewhat easily
  • Provide a smaller choice of colors
  • May be noisy when water is running
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  • A fiberglass backing material finished with a layer of polyester gel coat. Wood or metal reinforcement is often added.
  • Economical
  • Offer a wide choice of styles and shapes
  • Lightweight
  • Don't retain heat as well
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