FIELD: building industry.
SUBSTANCE: invention refers to building industry, particularly to design of doors. The fire proof door with fire resistant properties in accordance with specified categories of fire resistance consists of a case in form of a frame structure along perimeter and panels out of sheet steel on both sides, of fire proof filler with soluble, particularly in physiological medium mineral fibers, particularly of slag wool. Fire proof filler is divided into several separate parts with different fire retarding properties in the direction crosswise to its longitudinal corresponding height of extent.
EFFECT: facilitating compliance of fire proof door to specified categories of fire resistance.
12 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2376436C1 |
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|
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|
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|
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| FIRE-RESISTANT PROFILE CONSTRUCTION AND METHOD OF ITS PRODUCTION (VERSIONS) | 2014 |
|
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RU2272116C2 |
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RU2644519C1 |
| BOX BAR AND/OR LEAF FRAME BAR AND DOOR, WINDOW OR FACADE ELEMENT | 2017 |
|
RU2760389C2 |
