Let Our Team Quote You Online

Whether you are looking for one window or ten doors, at Diamond Shield, we will provide you with a FREE, no-obligation quote. We can help with almost all aspects of your building supply, and we are a cost-effective option for our trade members.

Fill in the form below with your products, specifications and any additional information we may require. Once we have this, a member of our team will put together your quote and get in touch with you. You can also speak to a member of our team directly by calling 01744 758 881.

Occasionally, we may need additional information to complete your quote. If that is the case, then our team will be in touch via email or telephone.


Alternatively, use the Contact page for general enquiries.

Contact us for all your trade supply only windows, doors and plastic products. Simply buy online or call 01744 758 881 to speak with our trade counter team today.

Alternatively, our trade supplies centre is a place for you to visit us direct. Moreover, our trade store can offer some of the best prices around and allow you to view our selection and purchase straight from the factory. Visit our trade store situated at 24 Jackson Street, St Helens, WA9 1AH or email the team for more information sales@diamondshieldwindows.co.uk.

Get Your FREE Quote Today…


    Our Collections


    Composite trade doors


    Patio & Bi Fold Doors


    fascias and soffit boards

    Fascias & Soffits

    Rainwater Systems


    Trims & Architraves


    Why Choose Diamond Shield Building Supply

    We supply a range of building materials to complete a range of trade projects. Our materials are high-quality from a range of trusted brands such as ALUK and Veka.

    Plus, at Diamond Shield, we work closely with our tradespeople to supply products that you can be proud of using. That is why if you have any questions about our products and services, get in touch.