Sheerwater Solar

Products

Windows

Casement Windows Slimline uPVC Windows uPVC Windows Aluminium Windows Timber Windows Timber Alternative Windows

Flush Casement Windows uPVC Windows Timber Windows Aluminium Windows

Sash (Vertical Sliding) Windows uPVC Windows Timber Windows Timber Alternative Windows

Mock Sash Windows uPVC Windows Timber Windows Timber Alternative Windows

Tilt & Turn Windows Slimline uPVC Windows uPVC Windows Aluminium Windows Timber Windows Timber Alternative Windows

Other Windows
VELUX Windows Secondary Glazing Windows Bespoke Windows Window Designer

Doors

Front & Entrance Doors uPVC Doors Timber Doors Aluminium Doors Commercial Doors Composite Doors Solidor Doors Solidor Door Builder Hallmark Doors Hallmark Door Builder

French Doors uPVC Doors Aluminium Doors Timber Doors Timber Alternative Doors

Bi-Folding Aluminium Doors Timber Doors

Sliding Patio Doors uPVC Doors Timber Doors Aluminium Doors

Stable Doors uPVC Doors Composite Doors

Other Doors
Fire Doors Bespoke Doors

Conservatories

Conservatories Orangeries Garden Rooms Replacement Conservatory Roofs Roof Glass Roof Lanterns Flat Roof Glass Roofline

Glass Products

Glass Products Cut Glass Quote Mirrors Splashbacks Banisters Partitions Cat Flaps Table Tops Greenhouse Glass Shower Screens Shelves Safety Glass Sealed Units (IGU's) Shop Fronts
Maintenance & Repairs

Maintenance & Repairs

Windows Aluminium Window Repairs Timber Window Repairs uPVC Window Repairs VELUX Window Repairs Glazing Repairs

Doors Aluminium Door Repairs Composite Door Repairs Sliding Door Repairs Bi-Folding Door Repairs uPVC Door Repairs

Conservatories Conservatory Roofs

Glass To Order

Glass To Order Sealed Units (IGU's) Safety Glass Greenhouse Glass Cat Flaps
Company

Company

About Us Accreditations ECO Credentials Careers Leave a review Our Guildford Showroom Blog Brochures Projects Gallery Frequently Asked Questions

Areas We Cover

Check Your Postcode Ascot Berkshire Camberley Guildford Middlesex North Hampshire Staines Surrey Walton On Thames West Sussex Weybridge Woking

01932 344 415 Get a quote

01932 344 415 Get a quote

Products

Windows

Casement Windows Slimline uPVC Windows uPVC Windows Aluminium Windows Timber Windows Timber Alternative Windows

Flush Casement Windows uPVC Windows Timber Windows Aluminium Windows

Sash (Vertical Sliding) Windows uPVC Windows Timber Windows Timber Alternative Windows

Mock Sash Windows uPVC Windows Timber Windows Timber Alternative Windows

Tilt & Turn Windows Slimline uPVC Windows uPVC Windows Aluminium Windows Timber Windows Timber Alternative Windows

Other Windows
VELUX Windows Secondary Glazing Windows Bespoke Windows Window Designer

Doors

Front & Entrance Doors uPVC Doors Timber Doors Aluminium Doors Commercial Doors Composite Doors Solidor Doors Solidor Door Builder Hallmark Doors Hallmark Door Builder

French Doors uPVC Doors Aluminium Doors Timber Doors Timber Alternative Doors

Bi-Folding Aluminium Doors Timber Doors

Sliding Patio Doors uPVC Doors Timber Doors Aluminium Doors

Stable Doors uPVC Doors Composite Doors

Other Doors
Fire Doors Bespoke Doors

Conservatories

Conservatories Orangeries Garden Rooms Replacement Conservatory Roofs Roof Glass Roof Lanterns Flat Roof Glass Roofline

Glass Products

Glass Products Cut Glass Quote Mirrors Splashbacks Banisters Partitions Cat Flaps Table Tops Greenhouse Glass Shower Screens Shelves Safety Glass Sealed Units (IGU's) Shop Fronts
Maintenance & Repairs

Maintenance & Repairs

Windows Aluminium Window Repairs Timber Window Repairs uPVC Window Repairs VELUX Window Repairs Glazing Repairs

Doors Aluminium Door Repairs Composite Door Repairs Sliding Door Repairs Bi-Folding Door Repairs uPVC Door Repairs

Conservatories Conservatory Roofs

Glass To Order

Glass To Order Sealed Units (IGU's) Safety Glass Greenhouse Glass Cat Flaps
Company

Company

About Us Accreditations ECO Credentials Careers Leave a review Our Guildford Showroom Blog Brochures Projects Gallery Frequently Asked Questions

Areas We Cover

Check Your Postcode Ascot Berkshire Camberley Guildford Middlesex North Hampshire Staines Surrey Walton On Thames West Sussex Weybridge Woking

Category: door mechanisms

How the AV4 Day Latch Works and When to Use It

5 min read

Doors

Our HQ is located at:

Unit B5
Moorfield Point
41 Slyfield Industrial Estate
Guildford
GU1 1RU

Opening Hours:

Monday to Thursday – 9am to 5pm
Friday – 9am to 4pm
Saturday – 9am to 1pm
Sunday & Bank Holidays – Closed

Email us on: info@sheerwaterglass.co.uk

Glass & Repairs Surgery Hours:

Tuesday – 2PM to 5PM
Thursday – 2PM to 5PM
Saturday – 9AM to 1PM

Email us on: glazing@sheerwaterglass.co.uk

These are the only times that a qualified member of the team is available in the showroom.

Need help? Call us on 01932 344 415

Products

Windows Doors Glass Conservatories Roof Line Roof Glass

Maintenance & Repairs

Repairs Window Repairs Door Repairs Conservatory Repairs Velux Repairs Glazing Repairs

Areas We Cover

Check Your Postcode Ascot Berkshire Camberley Guildford Middlesex North Hampshire Staines Surrey Walton on Thames West Sussex Weybridge Woking

Company

About Projects Blog ECO Credentials Careers Accreditations FAQs Brochures Gallery Guildford Showroom

Customers

Warranty Request FENSA Lookup Window Designer

Terms & Conditions

Disclaimer Cookies Policy Privacy Policy Complaints Policy

© 2025 – Sheerwater Glass Ltd

Sheerwater Glass Ltd. Trading Address: Unit B5, Moorfield Point, 41 Slyfield Industrial Estate, Guildford, GU1 1RU | Registered Address: Albany House, Claremont Lane, Esher, Surrey, KT10 9FQ | Company No 07766455 | Registered as a Ltd Co. in England and Wales in September 2011 | VAT No 212 4846 83 | UTR No.: 2207421684

The Which? Trusted Traders Endorsement relates to domestic installation, service, repair and maintenance work.

Sheerwater Glass Ltd is an Introducer Appointed Representative of Social Money Ltd t/a Dopple, a company registered in England under company number 08054296, and is authorised and regulated by the Financial Conduct Authority and is entered on the Financial Services Register under reference number 675283. Registered with the Information Commissioner’s Office under reference number ZA026178

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All calls to and from Sheerwater Glass Ltd are recorded for training and monitoring purposes.