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Umbra Docs 2025 | sales@umbrashading.co.uk | 01792 562015

KuroLok RL

Hardware | Options | Downloads | Blindspace | Training | Fabrics | Motors | Strata

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Rooflight Blinds

Tensioned blinds designed to cover challenging horizontal and angled glazing.

Application

Glazing angled over 30° off vertical

Max Sizes

W: 3m | D: 5.5m | A: 10sqm

Warranty

5 Years

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Options

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Standard Colours

White: RAL 9016 60% Gloss

Black: RAL 9005 30% Gloss

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Hembars

Full Hembar Range

Type Z

Aluminium Finish hembar

Profile Weight Per Metre: 900g

Weighted Profiles Available

Dimensions: 50mm high, 22mm deep

Colours*: Black, White

*Powder Coating Available

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Side Channels

35mm Side Channels

Standard size for KuroLok RL.

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L-Angle Shelving

It’s recommended that you use L-Angle shelving for rooflight blinds whenever possible. It makes installing the rooflight a lot easier, especially when the reveal isn’t perfectly square.

Standard Sizes

Headbox and Spring End: 127mm deep x 50mm high

Side Channels: 75mm deep x 50mm high

*L-Angle shelving can’t be used on reverse orientation rooflight blinds.

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Adjustable Brackets

These brackets are used to fix the rooflight blind to the wall whenever L-angle shelving is being used. They can be adjusted with a screwdriver to fit perfectly to the side of the reveal even when the blind isn’t perfectly snug.

Without Cover

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With Cover

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Powder Coating

In House Powder Coating

Customise your hardware with our in-house powder coating service.

Any metal hardware can be powder coated: from hembars to headboxes, and from concealment to curtain tracks.

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RAL K7 - PDF
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Deductions

Deductions dictate how much you need to take off your recess size* to get to the blind size* of any given product.

Deduction from Recess to Blind Size:

Width
Drop
KuroLok RL - L-Angle (recommended)
15
15
KuroLok RL - No L-Angle*
3
3

Recess Size: The side-to-side and top-to-bottom measurements of the reveal the blind is going in.

Blind Size: The finished size of the blind you’re installing.

*not recommended

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Light Gaps

A small gap exists where the hembar meets the cassette box at the end of our rooflight blinds. This is covered by L-Angle Fixing Shelves but should be considered if not using shelves and need full blackout.

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Orientation

The orientation you choose dictates which way your blinds headbox points.

Standard Orientation

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Reverse Orientation

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Handing

To figure out which side of the blind you want the motor to be, here’s a guide to finding the left and right hand of your rooflight blind.

Place yourself at the idle head of the blind (where the spring boxes are) so that when the blind closes the hembar will be coming towards you. No matter how the blind is going to be installed this will put the left hand side of the blind on your left, and the right hand on your right.

Standard Orientation

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Reverse Orientation

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Cable Exits

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Standard - No Cable Exit

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Cable Exit 3

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Cable Exit 5

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Cable Exit 2

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Cable Exit 4

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Cable Exit 6

Product Downloads

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Technical Drawings

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PDF
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Drawings (With Shelving)
KuroLok 100 RL - 35mm Channel.pdf426.0KB
KuroLok 125 RL - 35mm Channel.pdf430.3KB
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Drawings (Without Shelving)
KuroLok 100 RL - 35mm Channel (without shelving).pdf396.4KB
KuroLok 125 RL - 35mm Channel (without shelving).pdf408.6KB
Adjustable Fixing Bracket554.4KB
Spring Tension Unit1972.2KB
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CAD
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With Shelving
KuroLok 100 RL - 35mm Channel.dwg1175.4KB
KuroLok 125 RL - 35mm Channel.dwg1176.2KB
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Without Shelving
KuroLok 100 RL - 35mm Channel (without shelving).dwg1160.2KB
KuroLok 125 RL - 35mm Channel (without shelving).dwg1158.3KB
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Fitting Instructions

Fitting Instructions4.1 MB
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Video Fitting Instructions
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Troubleshooting
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Fabric Sticking Fixes
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Fitting Side Channel Inserts
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Brochures

Umbra Product Brochure KuroLok RL.pdf1502.4KB
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The Data Centre - All Files
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Blindspace

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Recommended Sizes

Box sizes recommended for KuroLok RL vary depending on the headbox size of the system you’re using.

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KuroLok RL 100
KuroLok RL 100 - C130x170479.5KB
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KuroLok RL 125
KuroLok RL 125 - C160x205485.8KB

You can use C-Series for custom box sizes.

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Blindspace Product Page
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Compatible Fabrics

Fabrics used on rooflight blinds are durable and perform well when under tension.

Full Fabric Compatibility Guide

Sunscreen

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View the Collection

Blackout

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View the Collection

Light Filtering

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View the Collection
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Compatible Motors

Rooflight blinds need motors with at least 9 Newton-Meters of torque.

Full Motor Compatibility Guide

Somfy

Zigbee

ZIGBEE | Sonesse 40

Wired

WCM | Sonesse 40

Radio

RF | Sonesse 40
RF | Oximo 40

Nice

Smart

DIGI | Nice E-Smart

Wired

RF | Nice Era Mat
RF | Nice E-Edge

Radio

WCE | Nice E-Action
WCE | Nice Era Star
WCM | Nice Era S
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Strata

Controls packages are available for the following BMS systems with various motors.

Crestron

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Strata for Crestron
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Strata for Crestron Home

KNX

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Strata for KNX

Lutron

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Strata for Lutron RA2
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Strata for Lutron QS
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Strata for Lutron QSX

Control4

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Strata for Control4

Loxone

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Strata for Loxone

Nice

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Strata for Nice

Rako

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Strata for Rako

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