Manuals & Technical Drawings

Download our Operation & Maintenance manual to learn how to care for, maintain and adjust your new windows and doors. Browse technical information and view pdf and dwg file drawing of our products using the links below. 

Operation and maintenance manual


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Drawings - Windows


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Drawings - Doors


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Building Regulations

From time to time Norrsken researches and publishes guidance on UK Building Regulations that relate to windows and doors. This information is not a replacement for the Building Regulations themselves but aims to make some elements easier to understand.


The Future Homes Standard

The Future Homes Standard aims slash to carbon emissions by 75-80% in new homes from 2025 with fabric-efficient building and low-carbon heating systems. Read about it below.

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Part O: Overheating & solar gain

Part O aims to reduce unwanted solar gains in new buildings. It contains approaches to limit solar gains and ventilation methods to remove excess heat. Read the regulations below.


Part F: Ventilation & Trickle Vents

Part F governs ventilation requirements in new and existing buildings. It was updated in 2022 to increase ventilation provisions. Learn what it means for you below.

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Part L: energy efficiency

Part L governs the energy efficiency of buildings. It was updated in 2022 as a stepping stone to the Future Homes Standard. Read the latest regulations below.