Silent Gliss Double Track – 6840 / 6840 hand drawn curtain tracks (compatible with wave curtains)

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Silent Gliss Double Hand Drawn Curtain Tracks – 6840 / 6840

A double curtain track is ideal for layering a voile / sheer fabric with a heavier curtain, offering flexibility in privacy and shading throughout the day.  Layering fabrics is a stylish way to dress your window and adds warmth and texture to your interiors.

This product has been set up to help with purchasing two tracks to be used as a double system.  Please note the tracks are not joined together so for ceiling fixing you will just position one track in front of the other, allowing room for your curtains in between.  The Silent Gliss Universal smart fix brackets are required for wall fixing, as these brackets allow two tracks to be fitted onto the same bracket (please see the bracket tab for further information and an installation video).  The Universal smart fix brackets are only available in white, silver and black so the double track colour options have been co-ordinated with these brackets.

If you require a double track in another colour (matt white, antique bronze, charcoal or anodic grey) and are ceiling fixing please purchase two Silent Gliss 6840 tracks and position one in front of the other.

Silent Gliss 6840 Curtain Track

The Silent Gliss 6840 curtain track is a neat, attractive curtain track suitable for medium weight curtains.

Glider Options

You can specify which gliders you would like on the back and front track.  Standard 2C gliders are suitable for pencil, pinch pleat and other gathered headed curtains.  If your curtains are on the heavy side we would recommend upgrading to the roller gliders as these offer a smoother opening and closing of your curtains.  Wave gliders can be specified on both or either track, and are required if you are hanging a wave curtain.  Click here for further information on the wave curtain heading style.

Ceiling Fixing

If you are ceiling fixing your tracks you can choose between any combination of the glider options as you can position the tracks accordingly to accommodate the spacing required for your curtains.

Wall Fixing

For wall fixing, the spacing in between the curtains is dictated by the bracket projection.  If you order the double track with standard or roller gliders on the back and front tracks you can select between the 150mm and 200mm Universal Smart fix brackets.  If you specify a 60mm or 80mm wave glider on either of the tracks we will supply the 200mm Universal Smart fix brackets as you will require a longer projection to allow space for the folds on the wave curtains.  Please note there is room for a 60mm wave voile on the back track, and a 60mm wave curtain on the front track, however there is only enough room for one 80mm wave.  A Swiss pleat or pencil pleat voile works well behind an 80mm wave curtain and is a popular option.

Bay Windows

This track is also suitable for bay or L shaped windows, however they do need to be bent in the factory.  Please download our bay or L shaped window measurement form here..  For wall fixing please supply the wall measurements and we will make the correct projections for your curtains.  For ceiling fixing please either supply the wall measurements and we will make our standard projections for double tracks (or if you know exactly how far away from the wall you would like each track to be installed please state this on the measuring form).  Alternatively, please supply back of track measurements and we will make the tracks to your measurements without any projections being made.  Please get in touch if we can offer any advice or assistance with your purchase.

Please note these tracks are all made to measure and cannot be returned or exchanged unless faulty.

Curtain Inspiration and Advice!

If you are also looking for some new curtains for your curtain track click here to view our range of Readymade Pencil Pleat Curtains.  For bespoke, made to measure curtains view our range of fabrics from leading fabric houses that can be made up into beautiful curtains with a variety of curtain heading and lining options.  Peruse our range of voile / sheer fabrics here, ideal for your back track.  Read our blog post on our hand made curtains and roman blind service.  

We are delighted to be offering a wide range of Laura Ashley curtains on our website.

Wave curtains

We specialise in the wave curtain heading and are here to offer help and advice.  We offer a made to measure wave curtain making service in a wide variety of fabrics including Silent Gliss, Clarke & Clarke, Prestigious Textiles, Ashley Wilde, Harlequin and Sanderson to name a few of the fabric houses we work with.  Click here for more information on the wave heading and shop suitable fabrics.  A wave curtain needs to be made specifically to fit your track length so the curtains arrive with the correct number of curtain hooks to match the number of gliders on the track.  If you order your track and curtains from us we will ensure these match so your curtains will be ready to hang upon delivery.  Please call us on 01590 615775 or email if you’d like any fabric swatches sending out or would like to discuss your project in more detail.  The standard lead-time on our wave curtains is 3-4 weeks (subject to fabric availability).

Making your own Wave Curtains

Click here to shop our wave accessories including wave heading tape, wave hemming tape and Silent Gliss curtain hooks.

View our Trend Guides for Design Ideas and Inspiration.

Laura Ashley Pussy Willow Lined Pencil Pleat Curtains                 

Curtains shown in images above:

Laura Ashley Pussy Willow Lined Pencil Pleat Curtains

Silent Gliss Natural Curtains 

Sanderson One Sixty Etchings & Roses

Max Length: 6m.  Please get in touch for a quotation for lengths over 6m.

Suitable for bi fold doors: Yes

Suitable for extra wide windows: Yes

Suitable for wave curtains: Yes these tracks are compatible with wave curtains when ordered with wave gliders.

Suitable for bay windows: Yes please complete our measuring form and upload this with your order.

Leadtime: 3-4 working days

This track comes with the recommended number of Silent Gliss brackets. The formula for working out the quantity of brackets is: (track length divided by 67) round it up to the nearest whole number and add one!

Click here to watch the Silent Gliss Universal Smart Fix installation video (1 minute 13 seconds is the relevant section for a double track).

Glider Text:

Standard 2C gliders – 14 per metre are supplied as standard on each track.

Roller gliders – 10 per metre are supplied as standard on each track.

The correct number of 60mm or 80mm wave gliders will be supplied for your track length.  If we are also supplying your wave curtains we will ensure the number of curtain hooks on the curtains match the number of hook positions on the track(s) so the curtains are ready for hanging upon delivery.

How to measure and order:

Please download our bay or L shaped window measurement form here.

Please read our blog post and watch our YouTube video for advice on how to measure your bay window.

Order a Silent Gliss Angle Measurer here.

Place your bay window curtain track order through the website. The order process takes you step by step through your purchase.

Once we receive your order, we will run the diagram through our software. If any of the measurements are outside of our tolerance we will get in touch to ask you to remeasure.

Please get in touch if we can offer any assistance with your purchase.

Measuring Guide for a Curtain Track:

Decide where the track is to be positioned. This is usually above the window with the track extending either side beyond the window.

Step 1: Measure the width of your window.

Step 2: The chart below provides guidance for making an allowance either side of your window for your curtain stack (shown as ‘B’ on the diagram above). This is particularly important if you want the curtains to clear the glazing when open. Please note the curtain heading, fabric thickness and lining specification will affect the width of the stack back. How much you would like the curtains to clear the window is down to personal preference. The chart below however is a good guide.

Step 3: Add the width of your window onto the ‘B’ measurement (x 2 for a pair of curtains) to give you the finished track length (A).

Recess Fitting

If you are fitting your track wall to wall or within a recess we recommend you take the wall to wall measurement and deduct 1cm for hand drawn and corded tracks to ensure the track can be fitted easily within the recess. For motorised tracks we recommend you deduct 2cm from your wall to wall measurement to ensure enough space to fit the curtain around the motor.

Measuring Curtain Track lengths for Wave Curtains

If you are opting for a wave curtain the stack back is a mathematical calculation. A curtain stacks back 18cm per metre of curtain track with an 80mm wave heading, and 23cm per metre of track with a 60mm wave heading.

Please see the example below:

On a 3m track for a pair of curtains with an 80mm wave the stack back will be 3m x 18cm = 54cm / 2 = 27cm each side.

For a single curtain the curtain will stack 54cm one side.

On a 3m track for a pair of curtains with a 60mm wave the stack back will be 3m x 23cm = 69cm / 2 = 34.5cm each side.

For a single curtain the curtain will stack 69cm one side.

Wave curtains are particularly popular over bi-fold or sliding doors or over large expanses of floor to ceiling glass. If there is wall space to the side of the glazing the track length can be worked out so the curtain neatly sits on the side wall(s) clearing the glazing to allow the light to flood into your room.

Please view our wave curtain information page for more information on the wave curtain heading style.

Please read our measuring guide blog post for further information.

For precision measuring we recommend the GATORTAPE Window Furnishing Precision Tape Measure. 

Please click here for the fitting instructions for the 6840 track.

Please click here for the technical brochure for the 6840 track.

Please refer to our delivery information page for information on our delivery charges.

Delivery Leadtimes:

Once an order has been placed and processed our customer service team will be in touch via email to advise a dispatch date and send a tracking link if available.  The lead-time information on all products is advised in the product description or product specification tabs on the product pages.  If you’d like us to check stock or advise delivery timings for a specific product please give us a call on 01590 615775 and a member of the team will be delighted to help.

Whilst we will endeavour to fulfil our delivery promises once the goods leave our warehouse we do rely on 3rd parties to fulfil their obligations.  We therefore recommend that a fitter or decorator isn’t booked until the goods are safely in your hands and have been checked for damage and any missing items.  We cannot be held responsible for any fitter or decorator cancellations.

Please refer to our Returns page for information on returning a product.

Prior to ordering!

We hope that you are delighted with your purchase.  To reduce the likelihood of having to return a product, we do recommend paint sample pots, wallpaper and fabric swatches are ordered prior to ordering the full sized items.  We can also send out ring samples, colour toggles or off cuts of curtain poles / tracks to ensure the colour is right before you commit to order.  Please get in touch if we can offer any assistance.  Please email or call us on 01590 615775 and a member of the team will be delighted to help.