Advantages and Disadvantages of Timber and Steel Formwork

Advantages of timber formwork
  • Easy handling because it’s light weight.
  • Easy to disassemble.
  • Damaged parts can be replaced with new one.
  • Very flexible.
Disadvantages of timber formwork
  • Can’t be used for long. Have limited re-use. Can only be re-used 5 or 6 times.
  • If the timber is dry, it will absorb moisture from wet concrete which could weaken the resultant concrete member.
  • Timber with high moisture content (more than 20 % moisture content), wet concrete will shrink & cup leading to open joints & leakage of grout.
Advantages of steel formwork
  • Very strong and able to carry heavy load.
  • Easy to be fixed.
  • Uniform size and surface.
  • Can be used for a very long time.
Disadvantages of steel formwork
  • Limited size or shape.
  • Excessive loss of heat.
  • A very smooth surface will be produced which would give problems for finishing process.


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