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Key contribution
The majority of Ecophon's white absorbents have a light reflectance value (LRV) of 85% or more. This means they fulfil the requirements for ceilings and vertical surfaces/walls in all three parts of the Surface Design feature.
Aim
To increase overall room brightness through reflected light from room surfaces and avoiding glare.
Detailed requirement
Part 1: Working and Learning Area Surface Reflectivity
The following Light Reflectance Values (LRV) are met:
- Ceilings have an average LRV of 0.8 (80%) or more for at least 80% of surface area in regularly occupied spaces.
- Walls have an average LRV of 0.7 (70%) or more for at least 50% of surface area directly visible from regularly occupied spaces.
- Furniture systems have an average LRV of 0.5 (50%) or more for 50% of surface area directly visible from regularly occupied spaces.
Part 2: Bedroom Wall and Ceiling Lightness
The following Light Reflectance Values (LRV) are met for bedrooms:
- Ceilings have an average LRV of 0.4 (40%) or more for at least 80% of surface area.
- Walls have an average LRV of 0.4 (40%) or less for at least 80% of surface area.
Part 3: Living Space Wall and Ceiling Lightness
The following Light Reflectance Values are met for residential spaces other than bedrooms:
- Ceilings have an average LRV of 0.4 (40%) or more for at least 80% of surface area.
- Walls have an average LRV of 0.6 (60%) or less for at least 80% of surface area.
See detailed requirement for Surface design
Our contribution
Good light reflectance of the surfaces in a room is crucial in order to maximize the use of both incident daylight and artificial light. Most of our white absorbers have a light reflectance of 85% or more, thereby fulfilling the requirements for ceilings and vertical surfaces/walls in all three parts of the Surface Design feature.
We provide BIM items for most of our products, making it easy to carry out daylight calculations.
