Granada Secondary Glazing

Horizontal Sliding Secondary Glazing

Suitable for most window types
Our most popular option

Horizontal sliders are slim, versatile and easily accessed for cleaning and ventilation. The perfect fit for all property types and styles, offering up to a 65% reduction in heat loss and up to 80% noise reduction.

Suitable for a range of windows such as casement, hinged or any window with vertical bars. Available in a wide range of sizes with a choice of configurations or made to fit your home’s exact requirements and specifications.

Available in two, three, four or five panels, the sashes can be completely removed when you need to clean the existing window. Sashes are fitted with brass rollers for a smooth sliding action.

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Secondary Glazing Illustration
The Granada difference
Quiet
Secondary glazing offers the most effective sound insulation. Reduces noise by up to 80% and significantly outperforms double glazing.
Warm
Improves thermal insulation of existing single-glazed windows by around 65%, approximately 10% more than double glazing achieves.
Secure
An affordable, discreet, highly effective solution to enhancing security. No external access required, ideal for multi-storey buildings.

Easily accessible but secure

Secondary glazed horizontal sliders allow easy access to primary windows for ventilation and cleaning. Each individual panel can be lifted into the outer frame and swung inwards to facilitate removal. Additional accessories options such as specific locks and handles are available for increased security.

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Features & Options of Horizontal Sliding Secondary Glazing
Annoyances solved
Annoyances solved
Noise, cold, security, condensation issues managed and controlled.
Multiple design options
Multiple design options
Historic, contemporary, or unusual designs. 200 frame colours, lift out panels.
Many glazing options
Many glazing options
From 4 – 8mm thickness to thermal coatings, all fully customised.
Full advisory service
Helpline for homeowner product, service or installation queries.
Full advisory service
Delivery or installation
Local installers trained and accredited by us or home delivered.
Delivery or installation
10 Year Guarantee
For all frames and glazing. British factory made, engineered to last.
10 Year Guarantee

A colour to suit your scheme

Find the perfect match for your Granada window insulation system using our range of over 200 RAL colours. Whether you own a new build, listed property or commercial property, we can fit your requirement.

RAL 1000 RAL 1001 RAL 1002 RAL 1003 RAL 1004 RAL 1005 RAL 1006 RAL 1007
RAL 1011 RAL 1012 RAL 1013 RAL 1014 RAL 1015 RAL 1016 RAL 1017 RAL 1018
RAL 1019 RAL 1020 RAL 1021 RAL 1023 RAL 1024 RAL 1026 RAL 1027 RAL 1028
RAL 1032 RAL 1033 RAL 1034 RAL 1035 RAL 1036 RAL 1037 RAL 2000 RAL 2001
RAL 2002 RAL 2003 RAL 2004 RAL 2005 RAL 2007 RAL 2008 RAL 2009 RAL 2010
RAL 2011 RAL 2012 RAL 2013 RAL 3000 RAL 3001 RAL 3002 RAL 3003 RAL 3004
RAL 3005 RAL 3007 RAL 3009 RAL 3011 RAL 3012 RAL 3013 RAL 3014 RAL 3015
RAL 3016 RAL 3017 RAL 3018 RAL 3020 RAL 3022 RAL 3024 RAL 3026 RAL 3027
RAL 3028 RAL 3031 RAL 3032 RAL 3033 RAL 4001 RAL 4002 RAL 4003 RAL 4004
RAL 4005 RAL 4006 RAL 4007 RAL 4008 RAL 4009 RAL 4010 RAL 4011 RAL 4012
RAL 5000 RAL 5001 RAL 5002 RAL 5003 RAL 5004 RAL 5005 RAL 5007 RAL 5008
RAL 5009 RAL 5010 RAL 5011 RAL 5012 RAL 5013 RAL 5014 RAL 5015 RAL 5017
RAL 5018 RAL 5019 RAL 5020 RAL 5021 RAL 5022 RAL 5023 RAL 5024 RAL 5025
RAL 5026 RAL 6000 RAL 6001 RAL 6002 RAL 6003 RAL 6004 RAL 6005 RAL 6006
RAL 6007 RAL 6008 RAL 6009 RAL 6010 RAL 6011 RAL 6012 RAL 6013 RAL 6014
RAL 6015 RAL 6016 RAL 6017 RAL 6018 RAL 6019 RAL 6020 RAL 6021 RAL 6022
RAL 6024 RAL 6025 RAL 6026 RAL 6027 RAL 6028 RAL 6029 RAL 6032 RAL 6033
RAL 6034 RAL 6035 RAL 6036 RAL 6037 RAL 6038 RAL 7000 RAL 7001 RAL 7002
RAL 7003 RAL 7004 RAL 7005 RAL 7006 RAL 7008 RAL 7009 RAL 7010 RAL 7011
RAL 7012 RAL 7013 RAL 7015 RAL 7016 RAL 7021 RAL 7022 RAL 7023 RAL 7024
RAL 7026 RAL 7030 RAL 7031 RAL 7032 RAL 7033 RAL 7034 RAL 7035 RAL 7036
RAL 7037 RAL 7038 RAL 7039 RAL 7040 RAL 7042 RAL 7043 RAL 7044 RAL 7045
RAL 7046 RAL 7047 RAL 7048 RAL 8000 RAL 8001 RAL 8002 RAL 8003 RAL 8004
RAL 8007 RAL 8008 RAL 8011 RAL 8012 RAL 8014 RAL 8015 RAL 8016 RAL 8017
RAL 8019 RAL 8022 RAL 8023 RAL 8024 RAL 8025 RAL 8028 RAL 8029 RAL 9001
RAL 9002 RAL 9003 RAL 9004 RAL 9005 RAL 9006 RAL 9007 RAL 9010 RAL 9011
RAL 9016 RAL 9017 RAL 9018 RAL 9022 RAL 9023

Gallery

Start your secondary glazing journey today...

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