Indoor Air Quality (I.A.Q) and COV (Volatil Organic Compounds)

The COV does not evaporate totally by drying: these gases are going to fill tissues, papers, furniture
then they "re-release" + or - slowly in the internal air of the housing environment (12 in 18 months).

Example of calculations of Volatil organic compounds:

For a room of room type of 12m ² (on the ground) everything painting, is a ceiling to paint of
(12 m² × 2 layers) 24 m ² + 4 walls to be painted of (35 m ² × 2 layers) 70 m². Thus total to paint = 94 m².
 
Calculation of the COV if 1 liter = 10 m ² [according to return 1 liter = 10 - 12 in 14 m²] then 9.4 liter need.

     - Version 1: paint without éco label matt or satiny (acrylic! = water)
     If the paint contains 375 g of cov / l, that is 375 g for 10 m ², it gives 37.5 g of cov / m²
     Thus 94 m² × 37.5 = 3525 g of cov in the room.

     - Version 2: paint without éco label matt or satiny (acrylic! = water)
     If the paint contains 200 g of cov / l, that is 200 g for 10 m ², it gives 20 g of cov / m²
     Thus 94 m² × 20 = 1880 g of cov in the room.
                       
     WITH ECO LABEL : versions proposed by the company THOMAS (always 94 m² to paint)
     - Version 3 : paint contains 30 g cov / l. If 1 liter = 10 m²  thus 30g cov = 10 m², it gives 3 g of cov / m²
     Thus 94 m² × 3 = 282 g of cov in the room.

     - Version 4 : paint contains 10 g cov / l. If 10 g = 10 m², thus 1 g of cov / m²  
     Thus 94 m² × 1 = 94 g of cov in the room.

     - Version 5 : paint contains 1g cov / l,  it gives 0.10 g of cov / m²
     Thus 94 m² × 0.10 = 9.4 g of cov in the room.
 
     For the natural paints, which show at the most 1 g of cov / liter, the "relargages" of gas persists
     only a few days instead of 12 in 24 months for the synthetic paints.
    
     In every case: aerate inside after the works!  A paint remains a paint!
     Only fillers lime and earth possess no COV.