Wooden staircase V/s RCC staircase

 Compare the advantages and disadvantages of the Wooden Staircase over the RCC staircase.

Sr. No.	Wooden Staircase	RCC Staircase
1	Wooden staircase is relatively weaker.	RCC staircase is relatively stronger.
2	Construction time is relatively less.	Cement setting takes at least 21 days. Hence construction time is more.
3	Timber has a life. It becomes weak after about 70 to 80 years	RCC hardens with age. The process of hardening continues forever increasing its strength.
4	The appearance and the colour of the timber can be attractive.	RCC staircase can be made attractive by cladding and other decorations.
5	Timber staircases are light in weight	These are heavier in weight.
6	Timber is costlier than RCC.	RCC is cheaper than timber.
7	These are fire hazardous	These cannot catch fire.
8	These are sound and heat insulators.	Comparatively lesser insulators.