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The Advantages and Disadvantages of Each Blind Type - PowerPoint PPT Presentation

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Looking at the different types of blinds available, all of them offer a blackout option to a different degree.

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Looking at the different types of blinds available,

all of them offer a blackout option to a

different degree. Some only meet that

description in the sense that it blocks out a

percentage of the light coming into the room.

Let's look at the different types of blinds and

judge the performance of each.

Vertical Blinds are the least likely of any blind to

bring a substantial reduction of light into the

room. The reason being is the way they are

designed. Let's look at a window say 100cm *

100cm with a slat size of 89mm. There will

typically be 14 slats of fabric on a vertical

blind that size, each slat overlaps the slat next

to it allowing a certain amount of light to come

through. Taking into account there are 14

slats, light will be coming through the blinds at

each overlap. Hardly the best option even if

the fabric itself is blackout.

Venetian Blinds and Wooden Venetian Blinds

encounter a similar problem; there are

essentially a number of slats overlapping the

one next to it, allowing for light to come

through. Although the normal venetians close

tighter to the slat next to it than even the

vertical blinds, it's not tight enough to stop

light coming through. Wooden Venetian are

probably the worst slat type blind to block out

light due to the thickness of the wood causing

the gap to the slat next to it not intended to be

tight closing.

Roman Blinds are in my opinion the second best

option for a blackout blind. They are the most

stylish giving you the option of style as well as

function. The lining used on the back of the

main fabric provides the blackout function,

therefore not interfering with the design. They

also fit the tightest into the recess where the

blind is fitted, preventing hardly any light

coming in at the sides.

Roller Blind ranges typically offer the largest

choice of fabrics option but again due to their

design allow too much light into the room. The

size of the brackets used to hold the blind up

results in the width of the fabric being around

33mm narrower than the width of the blind

including its brackets, therefore allowing light

into through that 33mm of the window recess.

Finally, the best option is a Cassette Roller

Blind. A roller blind is fitted inside a typically

white powder coated aluminum frame. The

frame fits snugly in the window recess and the

fabric providing the blocking out of any light.

As the frame prevent any light coming through

the sides, top or bottom of the blind, it gives

you the complete solution for a blackout blind.

blackout blind: