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We give the following guarantees on our products: 

The below information includes some of our manufacturers guarantee times. Please note that Guarantees are held between the manufacturer and HBD Systems. Please do not contact the manufacturers directly as they will be unable to give you any assistance. As your supplier and installer please contact HBD with any issues or queries.

Please note that although HBD offer a full (extendable) five year warranty on labour we always default to the specific manufacturers warranty and terms please refer to your HBD sales representative for more detail.


Glass sealed u nits are guaranteed against failure of seals (e.g. misting between glass or condensation between panes) for 5 years from the date of installation. Breakages after installation are not covered under this guarantee.

Glass units are not covered by Nickle supplied inclusions and or damages as a result.

We endeavor to replace any units within guarantee on a like for like basis. If we are unable to then we will provide the nearest equivalent available. Be aware natural coatings can change shade over time and there could be colour variations in the new units. 

Blinds between glass

Unblinds we supply to yourselves carry a
five-year guarantee for the integral blind components and on the double-glazed unit. 

All external components carry a two-year guarantee.


Our guarantee does not cover any costs relating to specialist handling or lifting equipment which may be necessary to replace glass under the guarantee. If specialist handling or lifting equipment is required this will be chargeable. 

This will likely arise where lifting or handling equipment was required for your original installation or if the access to the installation area has changed and we are no longer able to manually handle the products.

Glass guidelines

We follow the glass and glazing federation guidelines when evaluating your glass units for defects or imperfections. 

Glass sealed units with any piece of glass of 8mm or sealed units weighing over 180kg are not covered under domestic visual guidelines, these are covered under commercial visual standards due to their size.

Read these guidelines in more detail here…


For installations where we are replacing existing windows we will provide our clients with a Fensa certificate. Where our client is a builder we will produce this certificate ‘to the home owner’ so it can be passed onto their clients.

This certificate is proof your installation complies to the Building regulations in England and Wales.

Where we install products into a new build home, extension or new appeture a Fensa certificate is not required as your building work will be signed off by your local building control directly.


It is your responsibility to regularly maintain and clean your products, this includes the frames, glass and stainless steel. If regular cleaning is not carried our quality guarantee could be void. 

Ensure to always clean your products with a non abrasive cleaner and a soft cloth. Any abrasive cleaners, scouring brushes or rough cleaning materials will cause scratches on your products. 

Stainless Steel

Stainless steel products are guaranteed for 10 years provided you clean and maintain them.

If your products are situated close to the sea, or in areas of high dirt and/or traffic you should undertake more regular cleaning. Especially on the stainless steel as brown spots may appear. 

Discolouration due to improper maintenance and upkeep will not be replaced under guarantee free of charge.


HBD Systems use RAL colour numbers to identify colours of products. These numbers can be used across all manufacturers with the aim to match products from multiple ranges to one another. 

Please take into consideration there may be slight shade or colour variations in the shade across different products or manufacturers. We endeavor to match all colour samples shown however this is not guaranteed. 


Our installation guarantee, put plainly, means we will rectify any issues which may come from the installation of our products for 10 years. This could include things like adjustments or replacement of parts to be changed under guarantee. 

After this time don’t worry, we will still provide the labour for any replacements or adjustments but this may be chargeable. 

With one of the best and most comprehensive showroom’s in the South East, all our products give you superb choice based on styling, features, brand, materials or performance.

Our highly knowledgable team can talk you through the features making our products high security, reliable and energy efficient, not to mention how to  matching your windows, doors and any other products, giving you a complete home solution.

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