Casement Windows Sizes (mm): Fire Hinges and Trickle Vents
When are Trickle Vents and Fire Egress hinges required?
Fire Egress Hinges
These are required on ALL side hung casement windows in ALL "Habitable Rooms"
Trickle Vents
These are required:
1. For ALL "New Build" properties, including proposed extensions to a dwelling
2. Where they already exist and the windows are being replaced "Like for Like"
3. Where for example a patio door or french doors are the only opening aperture in a room
4. When "Building Regulations" require some form of permanent ventilation in a room
The diagrams below show the minimum sizes (mm) for openings on casement windows to help whilst you design your quotation:
Resource Topics
Select a topic from the list below:
- How to Measure Your Windows
- Casement Windows Sizes (mm): Fire Hinges and Trickle Vents
- Curving Charges
- Window Universal Extras
- Window Glazing Options
- Additional Information for Windows
- How Green Are Your Windows
- Why Are Your Prices So Good?
- Surveyor
- Supply Only
- What Do I Get? What is Included in the Price?
- Fitting
- How Long Will It Take to Have My Windows Installed?
- Window Security Information
- FENSA Registered Double Glazing Company
- Duraflex Certificate
- Our Mission Statement
- What Can I Do Without Planning Permission?
- The Cost of Double Glazing
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