Promatect

In Dutch immersed tunnels the ceiling is protected against fire using PROMATECT^® -H boards. Also > 1m of the wall is protected with the same material of wall fire protection. The temperature of a fire rises to the ceiling and top side of the wall; that is where the damage will occur if no sufficient ceiling fire protection is foreseen.

In case of fire the exhaust duct of the Toulon tunnel will evacuate the smoke and hot gasses of the fire. These gasses will damage the surrounding concrete structure. In order to prevent this 30 mm of PROMATECT^® -T is applied to both the floor and wall structure. On the other side of the wall is an escape route. To safeguard the escape route the temperature on the non-exposed side should be limited. The PROMATECT^® -T creates sufficient insulation to obtain this.

Wall fire protection
Ceiling fire protection
Temperature
Promatect
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