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Wall types

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Wall Construction

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Wall types

  1. 1. Wall Types
  2. 2. Cavity Brick Walling
  3. 3. Cavity Brick Walling  Cavity brick walling is a brick inner and out leaf construction that may or may not be insulated.  The inner and outer leafs are tied together with wall ties.  Insulation is used to retain heat in the building making it thermally comfort.  The insulation is normally attached to the inner leaf.  A cavity is left to allow air to circulate and to drain any moisture coming through the outer leaf.  Weep holes are fitted to the outer leaf to allow any moisture to drain out.
  4. 4. Timber Frame Walling
  5. 5. Timber Frame Walling  Timber frame walling is commonly used in house or flat construction.  It has a very good thermal properties.  The outer leaf can be made from various finishes, timer, plastic, brick, block or stone.  The inner leaf supports the load of the building, the outer leaf is a weatherproofing decorative layer.  Insulation is incorporated into the timber studding.
  6. 6. Insulated Brick Block Walling
  7. 7. Insulated Brick Block Walling  Brick outer leaf and a block inner leaf with or without insulation fixed to the inner leaf.  Wall ties fix both leafs together.  A cavity is left to allow air to circulate and to drain any moisture coming through the outer leaf.  Weep holes are fitted to the outer leaf to allow any moisture to drain out.
  8. 8. Stone Walling
  9. 9. Stone Walling  Stone outer leaf with a suitable inner leaf.  The stone can be natural or man made materials.  It can be load bearing or non loadbearing.  It should have weep holes to allow moisture to be drained from the cavity.
  10. 10. Render Finishes
  11. 11. Render Finishes  Rendering is a decorative weather proofing external finish.  A scratch coat is applied to a wall, then a finishing coat is applied to it once it has had time to dry.  Finishing coats can be dry or wet cast.  Dry cast is small stone chips or shells cast or thrown on to a wet mortar coating.  Wet cast is stone chips mixed into the mortar which is then cast or thrown onto the scratch coat.
  12. 12. Plasterboarding
  13. 13. Plasterboarding  Plasterboarding is the internal finish to most modern walls.  It is made from a sandwich of gypsum with card outer leafs, size 2.4m x 1.2m  It can be aimes tapped or plaster finished with board finish.  Brick walling is plastered with a browning coat and then a finish coat is applied.
  14. 14. Painting
  15. 15. Painting  Painting is the decorative finish used on dry wall plasterboarded or plastered walls.  A primmer an undercoat is applied to the wall and a minimum of two coats of emulsion.
  16. 16. Activity  Calculate the wall areas?  2.4m high x 3.3m wide.  2.4m high x 3.3m wide with a door opening of 2m x 900mm.  2.4m high x 4.8m wide with a window of 1.5m x 1.5m and a door 2m x 800mm

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