12112013115431 paint as a building material

8/12/2019 12112013115431 Paint as a Building Material

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PAINT:-

PAWAN VIJAY(U10CE061)


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WHAT A PAINT IS?

Definition:-paint can be described as any

fluid material that will spread over a solidsurface and dry or harden to an adherent,

coherent, obscuring skin or film.


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Common constituents:-

Paint body:-These are the main components of a paintconsist of White Lead, Titanium White etc.

Extenders:-Materials added to the paint body toincrease the volume without unduly increasing the cost.

Pigment:-The materials which imparts the paint itscolour. Natural pigments are obtained from animal, vegetable,

& minerals

Vehicle:-It is a mom-volatile fluid in which the solid bodymaterial is suspended and comprises.


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Function & use:-

Paint is used to protect the exterior of

a building (against moisture and

oxidation) or to beautify its interior(decorative finish).


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Properties of paints:-

1. Consistency:- Neither too thick nor too thinner.

2. Spreading power:-It is the covering capacityof the paint measured in terms of square meters of

area that can be covered by one liter of the paint

material.

3. Drying:-Time taken to be dry by the paint.

4. Durability:-It is the time period during which thepaint coating maintains its decorative & protectivevalues.

5. Finishing:-It is the smoothness of the paintedSURFACE


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Types of paint:-

Most common types of paints are listed below :

Enamels

Water Paints & Distempers

Cold cured material

Clear Finishes


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1. Enamels:-

Oil-based paints, Alkyd & other

Resins:-These paints contains lead pigment

or titanium white. These are non-toxic paints.Coverage--> liquid paint=16 sq m. Jelly

paint=12 sq m.


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ENAMELS


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2. Water Paints and Distempers:-

Emulsion paints:-Water thinned, easy to clean

the bruses and remove splashes, higher

resistance to moisture than ordinary paints

Coverage--> liquid=14 sq m. Jelly=9 sq m.

Acrylic or semi gloss emulsion:-Based on acrylic

emulsion, they can be thinned with water.

Coverage--> liquid=12-14 sq m. Jelly=7-9 sq m.


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EMULSIONS


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Water Paints and Distempers:-

Washable distemper:-Marginally cheaper

than emulsion paint, but not as hard-wearing.

Coverage=14 sq m. Matte finish.

Cement or stone paint:-Portland

cement+CaCl2+lime=water repellant fatty acid

soap

Coverage=12-14 sq m. matte finish


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CEMENT PAINT


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3. Cold CURED Material:-

Polyurethane (one pack):-Forms a hard

surface which will stand up well to moisture

and rough treatment.

These are dried by cross-linking, induced by

chemical agents.

Coverage=12-16 sq. m. depending on brand.


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4. Clear Finishes:-

Varnish:-More or less transparent liquids

having basically same components as paints.

Allow the original surface to show.

Coverage=10-12 sq m. on smooth non-

absorbent surface.


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Failure of a paint

Dilution

Contamination

Peeling/Blistering

Chalking

Cracking

Erosion Blistering

PEELING IN SWAMIVIVEKANAND BHAWAN:


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Major Brands Of Paints

Dulux AcrylicEmulsion

Asian Paints

Premium Gloss

Goodlass Nerolac

Asian Paints

Premium Emulsion

Goodlass Nerolac

Dulux Tileshield


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Industry Overview

Four main players

Asian Paints- 42%

Goodlass Nerolac-20%

ICI Paints- 14%

Berger Paints- 15%

Asian Paints dominates decorative segment.

Goodlass Nerolac dominates industrial segment.


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It is generally found that:

RED EXCITES

ORANGE ACTIVATES

YELLOW CHEERS

GREEN REFRESHES

BLUE COOLS & SUBDUES

PURPLE DEPRESSES

MAGENTA STIMULATES

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E ti t f i t l d i


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Estimates of paint losses during

application:-

Application method

Conventional air spraying

Hot air spraying

Air less spraying

Electrostatics spraying

Brushing and rolling

Paint loss

20-40%

15-30%

10-20%

5-15%

4-8%


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Dangers of a paint

Volatile organiccompounds(VOCs) inpaint are consideredharmful to the

environment andespecially for peoplewho work with them ona regular basis.
http://en.wikipedia.org/wiki/Volatile_organic_compoundshttp://en.wikipedia.org/wiki/Volatile_organic_compoundshttp://en.wikipedia.org/wiki/Volatile_organic_compoundshttp://en.wikipedia.org/wiki/Volatile_organic_compoundshttp://en.wikipedia.org/wiki/Volatile_organic_compounds


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The Painters

Kit:-

1. Brushes

2. Roller and Tray

3. Scrapers, Knives

and Containers

Shop at Sargam Complex


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MARKET

SURVEY


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ALUMINIUM PAINTS

Market price:-

1 litre Rs 300/-

Application:-

Used for painting all

metal surfaces.

Aluminium painting isalso known as spray

painting generally.


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BITUMINOUS PAINT

Price:-

It is very cheaper as

extracted from damar

(coal tar).1 litre Rs 150/-

Application:-Generally used in

industries.


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CEMENT PAINT

Price:-

Its cost is rather

expressed in Kg than

litre.25 kg Rs 1000/-

Application:-Generally applied on

rough surfaces.


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EMULSIONS

Price:-

1 litre Rs 255/-

Application:-

Used for interior design

purposes. We generally

call it Plastic paint.


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ENAMEL

Price:-

1 litre Rs 260/-

Application:-

Generally used on

wooden surfaces.

Sargam Complex


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SYNTHETIC

RUBBER

Price:-

1 litre Rs 300/-

Application:-Used in painting

the pipe lines.


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A general idea of cost of paints in

market:-


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12112013115431 paint as a building material

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