What does GGL mean Velux?
Common older Velux windows GGL Centre pivot Pine window. GHL Top hung Pine window 30o maximum opening.
What do the Velux codes mean?
The VELUX brand window codes are found on the top right-hand edge of the roof window when you open it. The data plate tells you the type of window and the window size shown through the code. As shown below in the example, 304 would be 78cm x 98cm and the bottom window code 4 would be 114cm x 118cm.
What is the difference between curb and deck mounted skylights?
Curb-mounted skylights sit on top of a framed opening in the roof. Deck-mounted skylights fasten directly to the roof sheathing, negating the necessity for a framed curb.
How are skylights measured?
You’ll need numbers from both the outside and inside of the skylight. That means the first numbers will be found on the roof. Once you’re up there, measure along the side of the skylight where the shingles meet the flashing, width first then length. Next, measure the height of your skylight or curb.
What’s the difference between GGL and GGU VELUX?
The centre-pivot window is a classic and versatile design manufactured in high quality natural pine with the option of a clear lacquered pine internal finish (GGL) or a white polyurethane internal finish (GGU).
What is the difference between VELUX GPL and GGL?
The Centre-pivot (GGL) is manually operated and is recommended by VELUX for higher reach windows. The Top-hung (GPL) is manually operated and is recommended by VELUX for lower level installation and is ideal for shallower roof pitches. It is also suitable for escape purposes.
How do I know what size Velux I need?
For any replacement Velux windows, there’s a simple way of determining the required size. Located on the top right corner of the frame on your existing window is a plate. This plate denotes the type, size, variant, and production code of your roof window, which you can use to order an exact replacement.
How are Velux glasses measured?
For curb-mounted models that are VELUX or other brands, measure:
- The length and width of the outside curb, including the curb and any roofing membrane material, and.
- The outside glass length and width from the inside edge of the skylight cladding.
Which skylight is the best at resisting leakage?
Curb-mounted skylights are a superior choice to prevent leaks. They allow for more flexibility in size and can offer more glass area than a deck-mounted skylight placed in the same hole. Thus, they can be brighter, but are also more expensive. Curbs can be built on-site or can be provided by the skylight manufacturer.
What are curb skylights?
Curb mounted skylights are the most common skylight type. This design requires a box structure for the unit to sit on. Generally this box is comprised of 2×6, or larger, construction lumber set on edge and attached to the roof deck. The skylight is designed to sit over the curb like a lid on a shoe box.
How are VELUX skylights measured?
For curb-mounted models that are VELUX or other brands, measure: the length and width of the outside curb, including the curb and any roofing membrane material, and. the outside glass and width from the inside edge of the skylight cladding.
What is the standard size of a skylight?
Skylights are available in number of shapes and proportions between width, length and height is not a limited parameter. Most popular rectangular fixed or venting pan-flashed with flat tempered glass skylights range from 14 to 72 inches (36 – 183 centimeters) in width and from 16 to 96 inches (41 – 244 cm) in length.