Fire protection element
A fire protection element, in particular for cladding steel supports, ventilation or cable ducts, is provided with at least one plate formed as a corner member. The plate(s) has/have a gypsum core at least partly sheathed with a nonwoven glass fabric.
1. A fire protection element for cladding steel supports, ventilation or cable ducts, the element comprising:
a first outer bent plate and a second inner bent plate, each of the first and second bent plates having a U-shaped cross-section and a pair of legs, one of the legs being a short leg and the other of the legs being a long leg, the second inner bent plate being nested within the first outer bent plate, such that the short leg of the second inner bent plate rests against the long leg of the first outer bent plate and the long leg of the second inner bent plate rests against the short leg of the first outer bent plate, the first outer bent plate having a gypsum core at least partly sheathed with a nonwoven glass fabric.
2. The fire protection element according to claim 1 , wherein the fire protection element has a U-shaped configuration.
3. The fire protection element according to claim 1 , wherein the nonwoven glass fabric is gypsum-coated.
4. The fire protection element according to claim 1 , wherein an outer surface of the first outer bent plate is provided with an intact nonwoven glass fabric layer in bending areas of the plate.
5. The fire protection element according to claim 1 , wherein surfaces of the gypsum core are sheathed with a nonwoven glass fabric.
6. The fire protection element according to claim 1 , wherein longitudinal edges of the gypsum core are sheathed with a nonwoven glass fabric.
7. The fire protection element according to claim 1 , wherein the gypsum core is fiber-reinforced.
8. The fire protection element according to claim 1 , wherein the first and second bent plates are configured as corner members.
9. A fire protection half-shell element for cladding steel supports, ventilation or cable ducts, the half-shelf element comprising:
first and second partial elements each having an essentially U-shaped cross-section and a pair of legs, one of the legs being a short leg and the other of the legs being a long leg, the second partial element being nested within the first partial element such that the short leg of the second partial element rests against the long leg of the first partial element and the long leg of the second partial element rests against the short leg of the first partial element, wherein the first and second partial elements are connected to each other at respective corner areas by a respective connecting element.
10. The fire protection half-shell element according to claim 9 , wherein the second partial element is an inner partial element and an inner surface of the inner partial element is at least partly provided with a metal coating.
11. The fire protection half-shell element according to claim 10 , wherein the metal coating is an aluminum coating.
12. The fire protection half-shell element according to claim 9 , wherein at least one of the partial elements has a gypsum core at least partly coated with a nonwoven glass fabric.
13. The fire protection half-shell element according to claim 12 , wherein an outer partial element has a gypsum core coated with a nonwoven glass fabric.
14. The fire protection half-shell element according to claim 12 , wherein the gypsum core is fiber-reinforced.
15. The fire protection half-shell element according to claim 9 , wherein the connecting element has a trapezoidal cross-section.
16. The fire protection half-shell element according to claim 9 , wherein the first and second partial elements as viewed in a longitudinal direction are arranged staggered relative to one another, such that the fire protection half-shell element has a stepped profile at its respective longitudinal ends.
17. The fire protection half-shell element according to claim 9 , wherein the second partial element is an inner partial element and the first partial element is an outer partial element, and wherein the inner partial element is shorter in a longitudinal direction of the fire protection half-shell element than the outer partial element.
18. The fire protection half-shell element according to claim 9 , wherein the first partial element is an outer partial element and a length of the connecting element corresponds to a length of the outer partial element.