FIELD: construction.
SUBSTANCE: mineral wool insulating panel has a height of at least 160 cm and at least a width 60 cm, has an upper strip located towards the upper edge of the panel, a lower strip located towards the bottom edge of the panel, and a central strip located between the upper and lower bands. Each of the strips extends essentially along the width of the panel. The various mineral wool densities are at least at the upper and central bands. The panel, in particular, is used to fill the door cavity with an established fire resistance limit.
EFFECT: invention makes it possible to facilitate the provision and assembly of mineral wool panels with an established fire resistance limit when optimising the consumption of material.
14 cl, 9 dwg
| Title | Year | Author | Number |
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| PRODUCT OF MINERAL WOOL | 2017 |
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