Products

Sliding Sash Windows

Used in the UK extensively since the seventeenth century, the elegant proportions and charming aesthetic appeal of sash windows are a familiar part of the UK’s building heritage and architectural landscape. ERW is passionate about preserving this and have particular experience of working in listed buildings and within conservation areas. ERW also operate a specialist sash refurbishment and sash renovation division.

We also design, manufacture and replace existing sash windows where legislation and the environment allow, or for new build properties. Our sliding sash range incorporates modern thinking, energy efficiency and technology, combined with the traditional styling, values and attention to detail we all love about original sashes.

Thanks to our 30 year heritage, we believe we’re in a unique position to advise and work with home owners, planners, architects and builders to get design, make and install the right new timber sash windows for every project. As standard, the frames and sashes are made from high quality European redwood and hardwood from sustainably managed forests.

Click on a heading below to reveal more information about our Sliding Sash Windows

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Make an enquiry on a wide range of products today by calling or emailing us using the contact details below

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Glazing

Low E thermally efficient double glazed units manufactured to EN1279 (part 2) are fitted as standard incorporating next generation warm edge technology. 4mm and 6mm single glazing is available on request, as are a wide range of glass types and specifications including obscure, safety and bronze anti-sun.


A fully drained and vented glazing system is used for improved performance and insulation. Timber beads are fitted all around to simulate the particular window finish.


Multi-Panels


A wide range of timber glazing or solid Georgian bars can be fitted on factory glazed units to give an authentic multi-pane effect. Alternatively, solid bars can be incorporated on request to single panes.


Super Spacer Warm Edge Technology


Choosing windows, doors and conservatories with Super Spacer and Low 'E' glass may seem a long way from saving the planet, but the insulating properties of this thermally efficient spacer bar are such that they can reduce heat loss by up to a staggering 94% through your window.



  • Up to 70% reduced condensation

  • Improved window 'U' Value up to 0.2 W/m2k

  • Up to 65% warmer at the edge of the glass

  • Reduce heat loss by up to 94%

  • Up to 2dB noise reduction

Energy Efficient Windows

PLANITHERM is a new generation of energy saving window glass that uses advanced coatings to retain more internal warmth whilst capturing free energy from natural daylight.


We are proud to be part of the PLANITHERM Installer Network. Using Planitherm products in our range of energy efficient windows can save you up to 28% per year on your heating bills compared to traditional windows and frames.


Free Solar Heat Gain


PLANITHERM has a unique coating which captures free energy from natural daylight to heat the home.


Thermal Insulation


The coating reflects heat back into the room, helping to keep the room warmer and reduce heating bills.


Optimal Energy Ratings


As PLANITHERM is the most energy-efficient glass available, A-rated windows can be achieved using energy-efficient frames.


Haze and Tint free windows


PLANITHERM maximizes natural light entering the home without the tint or haze effects associated with some other double-glazed windows.


Eliminates Condensation


PLANITHERM helps to reduce draughts and cold spots around windows and helps to virtually eliminate internal condensation.

Ironmongery

Pulleys


Brass wheel pulleys with mirror finish polished brass face plates are fitted as standard. Ball bearing pulleys with mirror finished polished brass faceplates, for a smoother vertically sliding action on large sashes, are also available.


Fasteners


The vertical sliding sashes come with one brass non-locking fitch catch fitted to the meeting rails, and two brass hook lifts to the lower sash rail.


Security Devices


Security devices can be fitted if required � e.g the window can be fitted with one face fixed 'sash lock' and strike plate fitted with detachable key. Optionally for improved security, two such devices can be fitted.


Cleaning Facilities


Special ironmongery can be fitted to the cord and weights of the window to allow safe cleaning from inside the building. Batten rods, detachable by two thumb screws, on the opening side are supplied when this ironmongery is fitted. Alternatively the batten rods can be hinged.


Spiral Balance Hung


Smooth and easy sash operation in comparison to other methods of balancing, spiral sash balances are an ideal alternative to sash weights but do have design restrictions � e.g. horn incorporation

Finishes

Our extensive range of premium finishes include a market leading wide range of colours and woodstains that enable maintenance periods to be extended, superb colour retention and redecoration requiring only one coat application. The extremely tough and durable coating characteristics mean we can offer a 30 year guarantee against rot and fungal decay on the coatings and preservatives, 8 years on the coloured and 5 years on the stained.


A variety of decorative horn details are available on request.

Security

GLAZING

Low E thermally efficient double glazed units manufactured to EN1279 (part 2) are fitted as standard incorporating next generation warm edge technology. 4mm and 6mm single glazing is available on request, as are a wide range of glass types and specifications including obscure, safety and bronze anti-sun.


A fully drained and vented glazing system is used for improved performance and insulation. Timber beads are fitted all around to simulate the particular window finish.


Multi-Panels


A wide range of timber glazing or solid Georgian bars can be fitted on factory glazed units to give an authentic multi-pane effect. Alternatively, solid bars can be incorporated on request to single panes.


Super Spacer Warm Edge Technology


Choosing windows, doors and conservatories with Super Spacer and Low 'E' glass may seem a long way from saving the planet, but the insulating properties of this thermally efficient spacer bar are such that they can reduce heat loss by up to a staggering 94% through your window.



  • Up to 70% reduced condensation

  • Improved window 'U' Value up to 0.2 W/m2k

  • Up to 65% warmer at the edge of the glass

  • Reduce heat loss by up to 94%

  • Up to 2dB noise reduction

ENERGY EFFICIENT WINDOWS

PLANITHERM is a new generation of energy saving window glass that uses advanced coatings to retain more internal warmth whilst capturing free energy from natural daylight.


We are proud to be part of the PLANITHERM Installer Network. Using Planitherm products in our range of energy efficient windows can save you up to 28% per year on your heating bills compared to traditional windows and frames.


Free Solar Heat Gain


PLANITHERM has a unique coating which captures free energy from natural daylight to heat the home.


Thermal Insulation


The coating reflects heat back into the room, helping to keep the room warmer and reduce heating bills.


Optimal Energy Ratings


As PLANITHERM is the most energy-efficient glass available, A-rated windows can be achieved using energy-efficient frames.


Haze and Tint free windows


PLANITHERM maximizes natural light entering the home without the tint or haze effects associated with some other double-glazed windows.


Eliminates Condensation


PLANITHERM helps to reduce draughts and cold spots around windows and helps to virtually eliminate internal condensation.

IRONMONGERY

Pulleys


Brass wheel pulleys with mirror finish polished brass face plates are fitted as standard. Ball bearing pulleys with mirror finished polished brass faceplates, for a smoother vertically sliding action on large sashes, are also available.


Fasteners


The vertical sliding sashes come with one brass non-locking fitch catch fitted to the meeting rails, and two brass hook lifts to the lower sash rail.


Security Devices


Security devices can be fitted if required � e.g the window can be fitted with one face fixed 'sash lock' and strike plate fitted with detachable key. Optionally for improved security, two such devices can be fitted.


Cleaning Facilities


Special ironmongery can be fitted to the cord and weights of the window to allow safe cleaning from inside the building. Batten rods, detachable by two thumb screws, on the opening side are supplied when this ironmongery is fitted. Alternatively the batten rods can be hinged.


Spiral Balance Hung


Smooth and easy sash operation in comparison to other methods of balancing, spiral sash balances are an ideal alternative to sash weights but do have design restrictions � e.g. horn incorporation

FINISHES

Our extensive range of premium finishes include a market leading wide range of colours and woodstains that enable maintenance periods to be extended, superb colour retention and redecoration requiring only one coat application. The extremely tough and durable coating characteristics mean we can offer a 30 year guarantee against rot and fungal decay on the coatings and preservatives, 8 years on the coloured and 5 years on the stained.


A variety of decorative horn details are available on request.

TRADITIONAL CORDS & WEIGHTS

Used in the UK extensively since the seventeenth century, the elegant proportions and charming aesthetic appeal of sash windows are a familiar part of the UK’s building heritage and architectural landscape.

SPIRAL BALANCED

Our Spiral Balanced Vertical Sliding Sash Windows offer a Smooth and easy sash operation in comparison to other methods of balancing,

YORKSHIRE SLIDING

Used in the UK extensively since the seventeenth century, the elegant proportions and charming aesthetic appeal of sash windows are a familiar part of the UK’s building heritage and architectural landscape.

Visit Our Showroom

 

Our award winning indoor facility showcases the entire range of products. You can browse at your leisure and see for yourself the quality of construction and finish available on our wood windows and doors.

We are here to offer you help and advice on whatever type of project you are undertaking.

 


Opening Hours:
Monday –  Friday: 9:00 am – 5:00 pm
Saturday:  10:00 am – 4:00 pm

 


 

We also have a Technical Area dedicated to Construction Industry Professionals where we can help with specification and compliance issues.

 

We accept payment by all major Debit & Credit Cards

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Address

Renovation House,
Skippers Lane,
Skippers Lane Ind Est.,
Middlesbrough,
Cleveland.
TS6 6HA
United Kingdom

Contact Details

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