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INTRODUCTION
ALUMINIUM SHEET
a) PRORETIES
b) DESIGNS AND COLOUR
c) APPLICATIONS
d) COST
GALVANIZED IRON SHEET
a) PRORETIES
b) DESIGNS AND COLOUR
c) APPLICATIONS
d) COST
ALUMINIUM SHEET
a) PRORETIES
b) DESIGNS AND COLOUR
c) APPLICATIONS
d) COST
COMPARISION
INFERENCES
REFERENCES

5. Galvanised iron
Galvanized iron, formerly, iron coated with zink by electrical deposition;
now more commonly, iron coated with zink by plunging into a bath of
melted zink, after its surface has been cleaned by friction with the aid of
dilute acid.
Galvanizing is a process of coating iron or steel with zinc in
order to provide greater protection against corrosion for the iron
or steel base.
The process of galvanizing is named after 18Th century itallian scientist galvani.
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Features :Made up of rust resistant galvanized steel
High durability
Special metallic
coating
Light weight
High strength steel Resistant to high temperature
Corrosion resistant
Easy to install

6. Galvanised iron sheet
The galvanized iron sheet are prepared by pressing flat wrought iron plates between rollers with
grooves or teeth then they are galvanized with zinc .
Corrugation helps to increase the strength and rigidity
They permit easy flow of rain water
Available in varying length 1.2m to 3.6m
Width 600-1200
These sheets are economical and fire resistant.

7. FEATURES OF G.I. SHEET

8. VARIOUS PROFILES OF G.I. SHEETS

9. VARIOUS PROFILES OF G.I. SHEETS

10. DIFFERENCE BETWEEN G.I., A.I. & AC SHEETS
S.N.
A.C. SHEET
G.I. SHEET
A.I. SHEET
1.
BREAKABLE AND REQUIRES MORE
CARE IN HANDLE.
NON-BREAKABLE AND CAN BE
HANDLED WITH LITTLE CARE.
NON-BREAKABLE AND CAN BE
HANDLED WITH LOW CARE.
2.
CAN NOT MADE AS THIN AS G.I.
SHEET CAN BE MADE VERY THIN
SHEET CAN BE MADE VERY THIN
3.
CHEAP IN INITIAL COST
HIGH IN INITIAL COST
COSTLY THAN A.C. SHEET
CHEAPER THAN G.I. SHEET
4.
DO NOT CORRODE
EASILY CORRODE BY ATMOSPHERIC
ACTIONS
DO NOT CORRODE
5.
FIRE RESISTANT
NON FIRE RESISTANT DEFORMES
WHEN FIRE OCCURES
NON FIRE RESISTANT DEFORMES
WHEN FIRE OCCURES
6.
HEAVY IN WEIGHT
LIGHT WEIGHT
LIGHT WEIGHT
7.
LESS NOISY
NOISY
LESS NOISY
8.
MAINTENANCE COST NIL
MAINTENANCE COST DUE TO
PERIODIC PAINTING TO RESIST THE
CORROSION
MAINTENANCE COST NIL
25-30YRS WITHOUT
MAIMTENANCE
9.
NOT AFFECTED BY ACIDS AND
FURNS
AFFECTED BY ACIDS AND FURNS
10.
SOUND PROOF
NOT SOUND PROOF
SOUND PROOF

11. CLIP LOCK PROFILE

12. APPLICATIONS-

13. INSTALLATION PROCEDURE-