1

Question 1

A,……r is the performance- improving base coat for
paint (a base coat that creates the foundation for a
flawless paint job.)

Answer 1

prime

Question 2

Use a primer, then two coats of paint.
* Why?

Answer 2

• **To seal the surface ** (preventing them from soaking into the surface and causing the gloss level to flash .)
• create a good bond between substrate and the
  paint

Question 3

means : the underlying surface, this could be natural stone or masonry wall.

Answer 3

Substrate

Question 4

prymer Types:

Answer 4

*1.Alkyd (oil-based)
*2.Latex or acrylic (Water-based)

Question 5

*A …..’s main job is to prepare the specific surface.
*Different materials (metals, brick, wood, plaster, concrete)
require …..having specific characteristics

*a different …..is needed especially for absorbent surfaces
(such as wood)(shellac primer), or creating compatibility
between a subtract and a finish (such as plastic laminate)

Answer 5

primer

Question 6

is a liquid material. It gets dried to
a lovely finish.
* is the top-coat. It is a performance
coating, but it is also decorative.
* Like primers, may also be oil
based or water – based.

Answer 6

Paint

Question 7

paint

Water-Based Paints VS Oil-Based Paints

Answer 7

Water-Based Paint
Majority of the paints sold or used today
The primary carrier of the pigment is water
Quick drying and has a minimal odor
Easy cleanup
Resistant to cracking
Release fewerVOCsduring the drying process.
(Volatile Organic Compounds)

Oil-Based Paints
Needs longer time to dray
Attractive Gloss
Durable and more resistant to scratches , fingerprints and other stains
long-lasting and resistant to the degenerative effects of water and air.

Question 8

Components of paints

Answer 8

Additives
Binders
Pigments
Fillers
Diluents

Question 9

*: change the characteristics, making the paint stable, fast-drying,
mildew resistant, flame retardant.

Answer 9

Additives

Question 10

: responsible for the toughness of the paint, bind the other ingredients
into a film.

Answer 10

binders

Question 11

: powders, usually minerals that impart color but also affect gloss
levels. It provides opacity and color.

Answer 11

Pigments

Question 12

: a special type of pigment that serve to thicken the film, support its
structure and increase the volume of the paint. are usually cheap, such as
diatomaceous earth, or clay, etc

Answer 12

Fillers

Question 13

• : the thinner or carrier that makes the paint liquid enough to spread dissolves or disperses the binder, allows the coating to spread out

Answer 13

Diluents

Question 14

….. coating used for high traffic floors , and additives are introduced to paints for antifungal,
antimicrobial, mildewcide or other pesticides

Answer 14

Epoxy

Question 15

…..floor coatings are commonly used for commercial and industrial flooring.
* …..coatings are normally
applied over concrete floors to provide a high-performance,
smooth, and durable surface that can last many years and withstand heavy loads.

Answer 15

Epoxy

Question 16

How to Specify paint?

Answer 16

1.Quality Grades
2.Formulations
3.Gloss Level

Question 17

Comparison of two quality levels of paints.

Answer 17

Specification Grade
Geared to residential market
Higher resin improves washability
Higher cost
Higher sheen level

Contractor Grade
eared to commercial market
Lower resin content results in lower sheen level and lowers watchability
Economical compared to specification grade

Question 18

Water-based and Oil based are the two broad
categories (based on the solvent)

Answer 18

Oil based paints
Alkyds (modified oil) dry harder and faster than traditional oil paints.
* Oil paint dose not simply dry, but oxidized in a way that produces extra hardness, which makes it ideal for moving parts, such as windows frames or any thing movable

water based paints
The solvent in water-based paints may be latex or acrylic.
* less toxic in general.
* Dry faster and easier to use
* Some latex paints are odor-free

Question 19

Surface imperfection will be highlighted
* Expert preparation of the surface is necessary.
* Prep work will be easily judged by the perfection of
reflection in the surface.

Answer 19

High gloss 85 % or more

Question 20

Surface imperfections will be visible.
* Expert preparation of the surface.

Answer 20

Gloss paint 75 to 85%

Question 21

A little less shiny, a little less washable
* less of a need for a perfect surface
* Specified more often than gloss paint

Answer 21

Semi gloss paint 40 to 75%

Question 22

Soft sheen
* Can be cleaned with a soft cloth and mild soap

Answer 22

Satin 25 to 40%

Question 23

• Close to the sheen of satin
• View sample side to side in order to discern the
  difference
• Still washable

Answer 23

Eggshell 10 to 25%

Question 24

• Good at hiding imperfections
• Also referred to as velvet and suede finish

Answer 24

Matte 5 to 10%

Question 25

*The most durable and easiest to clean of all paint sheens, high-gloss paint is hard, ultra shiny, and light-reflecting Practical application: kitchens, door, and window trim *Durability :Very High

Answer 25

High Gloss

Question 26

*Good for rooms where moisture, drips, and grease stains challenge walls trim work . Also great for that takes a lot of abuse. *Practical application: kitchens, bathrooms, trim, chair rails *Durability: High

Answer 26

Semi-Gloss

Question 27

*Between satin and flat on the sheen (& durability) ......covers wall imperfections well great finish for gathering spaces and is a that don’t get a lot of bumps and scuffs. *Practical application: dining rooms, living rooms sometimes bedrooms *Durability: Medium

Answer 27

Eggshell

Question 28

*Matte and flat finishes cover imperfections and application. has a velvety texture in surface * Cons: In general, they hold dirt and are difficult to clean because cleaning can actually remove the finish. *Practical application: ceilings as well as walls in the bedroom, dining room and living room *Durability: Low

Answer 28

Matte and Flat

Question 29

The Process of painting?

Answer 29

1. Pre-Painting 2. Primer coating 3. Painting

Question 30

It directly affects the surface finish of the paint. * A putty knife or a sandpaper is used to remove loose particles or flakes and the surface. * All loose material is removed and filled with plaster

Answer 30

Pre-Painting : Surface Preparation

Question 31

. Primer coating: It is essential 3. Painting : Usually 2 or 3 coats are applied on the wall

Answer 31

t