Description
What are the different fire resistance classes?
The EN 13501 standard includes criteria such as flammability, smoke production, and the presence of flaming droplets in the event of a fire.
- A1 – A2: Non-combustible
- B1 – BI – B3: Fire-retardant
- C – D – E: Normally flammable
- F: Easily flammable
Archikal 600 is a non-combustible lime plaster. According to standard 13501:1 and report No. 231001837, its fire resistance class is A1, meaning non-combustible.
To obtain a water-repellent surface:
Apply, to the plaster once it is dry, Aqua Perl 24 (ref. 2035) no later than 24 hours after application. Apply a thin and even layer from the bottom to the top a18> using a brush. Do not apply with a roller! A hazy effect characteristic of may appear on the ArchiKal 600 tinted (if necessary, perform a preliminary test).








