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Construction presentation

Construction presentation






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    Construction presentation Construction presentation Presentation Transcript

    • Made from lime,sand and serabut.  Lime from limestone was burned to the temperature of 9000 C to 12000 C.  Lime that made from the first process is called calcium oxide(quick line),which power to absorb water strongly.  Thus,this lime can not be directly used for plaster work.  It is easy to make and cheap. 
    • The raw material used is cement and sand.  The cement used for this work is portland cement and white cement is sometimes used for ornamental work.  River sand used to make plaster ceiling must be smaller sized than the river sand used to make plaster walls and plaster floors.  Sand and water used for mortar must be clean and not contained other materials and chemicals.  For cement mortar,sometimes lime is added to facilitate plastering work.  The ratio of the mortar used to make plaster ceiling is 1:2. 
    • This type of plaster are made from cement and lime.  It produced by grumbling using rough cast‟,which a type of hand tool.  The surface is rough which suitable for the ceiling surface of the external side of the building.  In order to make this plaster,cement and sand used was 1:4. 
    • This plaster is made from a mixture of lime and gypsum.  It is found in layer form.  This layer is usually huge in size which make it suitable for any ceiling situation.  It have good sound insulation and air proof but tend to broken or crack. 
    • Ceiling finishes is made of wood strip size 12mmx25mm.  Most of the wood used is grade C wood which is arranged in a longitudinal ways.  The wood strips is arranged at a distance of 13mm depending on the situation.  This finishing usually used for verandah and external side. 
    • Soft board is a piece of chips or other materials called “lignocellulose” that glued with a synthetic resin or organic adhesive.  This product also know as a chip board or board of flax(papan rami).  Softboard is manufactured in a pieces form(kepingan)of one layer or more.  One layer of board form have high density than board contains more layers. 
    •  Its length is 1.8m,2.4m,2.7m and 3.0 and the width is 600mm,900mm and 1.2m  Softboard is widely used in furniture manufacturing such as cadinet, cupboard and speaker box.  In housing industry, softboard is used for ceiling, wall partition and panelling.
    •    Softboard have high strength and weight ratio, dowel and screw characteristic, smooth surface and easily painted. It can also changed a noise to a low frequency Disadvantages of soft board is that it is easily absords moisture.
    • Made from thin pieces of wood known as „vinir‟. Always used an odd number of layers and the number of layers is varies according to thickness of plywood sheets to be produced.  Each layer may consist of one or two „vinir‟.These layers is glued to each other.  
    • The opposite direction of the grain givens a high strength of plywood .(Arah ira yang bertentangan memberikan papan lapis kekutan yang tinggi).  Types of wood used to make plywood is lime, keruing, mengkulang, meranti and mersawa.  Other forign wood species used for making plywood are doughlas fir from canada and brich from finland  These are TWO types of plywood which are external types and interior types. 
    •  These types of plywood is based on the moisture resistance which are external plywood is more good moisture resistanse compared to the internal plywood.  EXTERNAL PLYWOOD Are made from high grade timber and glued with waterproof glue.  INTERNAL PLYWOOD Is suitable used for moisture content not more than 18% and the structure that not exposed to the weather, otherwise EXTERNAL PLYWOOD will be used.
    • The advantages and disadvantages of wooden ceiling are following:  Advantages of wooden ceiling: It provides decorative and artistic look to a room.  Provides better insulation.  It is popular and offer a warm feeling to any room.  It is stylish in design.  Disadvantages of wooden ceiling:  Its very expensive.  It is more prone to termite attack.  It has weak physical structure.  It is difficult to clean properly.  
    • Hanging type metal Faux Ceiling Basement suspended Vaulted ceiling