BlocOut 40 Cassetted Black-Out System

Code: bloc

The award winning blackout system combines an aluminium cassette with precision engineered side rails, to create a blind which blocks out both light and draughts.

The system can reduce heat loss through the window by up to 43% (independently tested by the BBSA) resulting in significant savings on home heating costs when combined with the right fabric. The blind is a chain free option which is Safe By Design and perfect for areas with children.

The system offers an unmatched level of darkness which is not possible which any other blackout blind currently available on the market. Perfect for bedrooms, nurseries, home cinema rooms and more and ideal for shift workers, light-sensitive sleepers and those with rooms affected by off-street lighting.

All fabrics are 100% Black-Out

Max Width 1800mm x Max Drop 1500mm

BlocOut 40 Cassetted Black-Out System Bloc Blinds BlocOut 40 Cassetted Black-Out System BlocOut 40 Cassetted Black-Out System BlocOut 40 Cassetted Black-Out System

Quick Order

Order or price multiple blinds of the same colour, change all the options together or edit the options for each blind separately.

Maximum Blind Size: mm x mm
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How to Measure

As this blind is a framed cassetted system it is important that you window is square.

If not please provide the narrowest width x drop sizes.

On the final option page, to be sure we will ask for a few extra sizes, top and bottom of the window, and left & right drops.

For a internal recess we require a depth of 50mm+

How to Measure Video

Instructions as to how to measure your window for our Award Winning BlocOut Blind.

This product requires no power tools to install and will provide you with both a total blackout blind and certified improvement in your energy efficiency.


1. Value for money 
All Cassetted Black-Out Blinds will save you on average 50% of the cost of an equivalent blind from the original manufacturer.   
2. High quality components
Every blind is manufactured using the highest quality components.  This is reflected in the guarantee cover we are able to offer.
 3. A Three Year Guarantee
Every Blind comes with a 3 year guarantee as standard, a testament to the quality and design of the blinds and accessories.
4. Easy to fit
The Blind range fit perfectly to the windows they are designed for. This allows easy installation of the blinds in minutes with no specialised equipment. This is not a multi-fit system as each design is suited to the particular manufacturer of the roof window.

How to Fit - PDF"s and Video's

Technical download pdf

Technical download pdf contents

Order a sample:

Samples cost just £1 each, you will automatically receive a £5 promotional code off your future blind order.
Select your samples from the list below.
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