VELUX GBL MK04 S10G03 780x980mm Low Pitch Roof Window
Est. delivery: 5 Working Days
Est. delivery: 5 Working Days
Key Highlights
- Size : 780mm x 980mm
- Glazing : Triple Glazed
- Internal Finish : White Painted Pine
- External Finish : Grey Aluminium
- Type : Centre Pivot
- Warranty : 10 Years
The VELUX GBL MK04 S10G03 780x980mm Pitch Roof Window is a versatile and stylish way to add natural light and ventilation to your home. It is perfect for low-pitch extensions, as it can be installed on roofs with a 10-20-degree pitch. The window is made with high-quality materials and is backed by a 10-year warranty.
The GBL MK04 features glass-to-edge technology, which provides a seamless and aesthetic installation. The aluminium profile also provides a drainage system for water to run down.
The GBL MK04 is easy to install and can be done by a DIYer. This low-pitch roof window is sold as a complete package and includes the roof window, flashing kit and underfelt collar. The flashing is suitable for profiled roofing material or profiled tiles from 15mm up to 120mm.
Offering a 10-year warranty, these Velux low-pitch roof windows are highly stylish and modern to fit and improve your house’s look.
Key Features and Benefits of VELUX GBL MK04 S10G03 780x980mm Low Pitch Roof Window :
- Low-pitch roof window
- Glass-to-edge technology
- Aluminium profile
- Easy to install
- It brings natural light and ventilation into your home
- It can be installed on roofs with a pitch of as low as 10 degrees
- Made with high-quality materials
- Backed by a 10-year warranty
Technical Specifications of VELUX GBL MK04 S10G03 780x980mm Low Pitch Roof Window:
- Size: 780x980mm
- Operation: Manual, Centre-Pivot
- Internal Finish: White Painted Timber
- External Finish: Grey Aluminium (RAL - 7043)
- Flashing: Included for any profiled roofing material and profiled tiles from 15mm up to 120mm
- Thermal transmittance: 1.1 W/(m2K)
- Light transmittance: 0.68
- Total solar energy transmittance: 0.50
- Sound insulation: 35(-1;-3)
- Air permeability: 4
- External fire performance British -AC
- External fire performance - European: NPD
- Impact resistance: 3
- The load-bearing capacity of safety devices: √
- Reaction to fire: C-s1,d2
- Resistance to wind load: C3 (>SK06: NPD)
- Water tightness: E900
Need help with your order? Our knowledgeable staff can help you out with it. For personalised help, speak to an expert at 0333 700 1111 or drop an email at web.sales@jjroofing.co.uk
- Revolutionary new design
- Advanced water diversion
- Made to last
- Low pitch, high quality
- Easy ordering
- Includes Profile Tile Flashing, BDX Insulation Collar and BFX Underfelt Collar
| Type | Pitched Roof Windows- Low Pitched Roofs |
|---|---|
| Warranty | 10 Years |
| Roof Pitch | 10-20° |
| Thermal Transmittance Window | 1.3Uw |
| Additional Info | Upgrade to Solar with KSX 100K |
| External Colour | Grey Aluminium |
| Brand | Velux |






