Once your products have been installed, your relationship with ERG doesn’t end there. We’re here to look after you and your products throughout their warranty period. Our team of advisors will be on hand to help come rain, shine or snow.


It’s important to know how to clean and maintain your products to help them look and perform their best for years to come.

We’ve put together a handy guide of hints and tips on keeping your glass and frames in top shape – check out our ‘Helpful Guides’ section for more information.

Aftercare - Cleaning


Condensation forms when vapour in the air hits colder surfaces such as windows, tiles and mirrors. It’s a naturally occurring process yet it’s a common misconception that seeing condensation on your windows indicates that something is wrong.

In fact, condensation forming on the outside panes of your window shows that they’re working as they should. Only if condensation appears between the panes of your double or triple glazed windows should you be concerned. And if that’s the case, please contact us.

For more information about condensation and what to do, please visit our ‘Helpful Guides’ section.

Aftercare Condensation


Every promise we make, we keep. Every time. Our promises are bold and are there to assure you that we’re completely confident in our products and our service.


At ERG we realise the importance of gaining trust and not expecting it. We believe this is achieved through hard work, honesty, transparency of our services and valuing our customers.

Ethos of ERG Scotland

Our teams adhere to a strict ethos which is to achieve only the highest standards of excellence at all times. We listen to our customer’s needs and tailor our services to meet all individual requirements.

20 Year Guarantee

ERG Scotland is proud to be Scotlands very first to offer a 20 Year Guarantee. Not only that, you will also be covered for both moving and non-moving parts. Our confidence in our products and dedication to our customers means we’ll be there for you well into the future.

Price Promise

Giving our customers complete confidence in the price that they pay is very important to us. So, if you, or any customer, can find the same product specification and service commitment cheaper elsewhere, within 14 days, we’ll refund the difference.


Everyone is welcome to come in and browse around our showroom, where our friendly sales team will be pleased to help with any questions you may have.



If you have a query or issue about any of our products or services you can contact the Customer Services team by completing the form below.

Your details
Enquiry type
Content Block
  • This field is for validation purposes and should be left unchanged.

Want to speak with an Advisor? Give us a call on 01349 856900

Our friendly team will be pleased to help with any questions you may have.