Software Technology for Joint system to expand, which is fire- and water-resistant

EMSEAL JOINT SYTSTEMS LTD. (Westborough, MA)

A core is at the core of a fire-resistant and water-resistant expansion joint. The core is also infused with an anti-fire agent. The core infused with the fire retardant is designed to define a profile to allow compression of the fire water resistant expansion joint when installed between coplanar substrates.

The term “waterproof” is a reference to the prevention of water from flowing “waterresistant” means water can flow, while “water resistant” is for the water that is contaminated. “Fire resistant” can be used to mean that fire cannot be propagated.

One feature of the invention is a fire-resistant and water-resistant expansion joint system that includes a core and an anti-fire agent. When the core is infused with fire retardant and constructed to create a profile to allow compression of the fire- and water-resistant expansion joint system in coplanar substrates.

In another aspect, the present invention resides in a fire and water resistant architectural joint system comprising first and second substrates arranged to be at least substantially coplanar and an expansion joint located in compressiontherebetween. The expansion joint is comprised of an inner core that has a fire retardant in it. A layer containing the fire retardant material is sandwiched between this material and the core. The fire retardant material is placed on any other surface.

In another aspect, the present invention resides in a fire and water resistant architectural joint system comprising first and second substrates arranged to be at least substantially coplanar and an expansion joint located in compressiontherebetween. The center of the expansion joint is an anti-fire agent. The expansion joint is compressed between the substrates. It permits movement between them while providing water and fire resistance.

In another aspect, the present invention resides in the method of constructing an water and fire resistant expansion joint. The process to install a joint involves providing two substrates that are in a coplanar arrangement so that there’s a gap. A water and fire-resistant expansion joint system comprising the core, which is filled with a fire retardant , is compressed before being inserted into the gap between the substrates and let to expand to fill the gap.

In the various embodiments of the systems described in this document, the elastomer, e.g., provides for waterproofing or water resistance as well as fire barrier sealants. comprising intumescent materials offer fire resistance, and the fire retardant-infused core is used for both fire and water resistance as well as movement properties. The materials and layers described herein can be assembled and arranged in any suitable order/combination to provide the desired fire and water resistant (and/orwaterproofing) properties in any desired direction. For example, the materials can be assembled so as to offer waterproofing or water resistance in one direction and fire resistance in the other direction (e.g., an asymmetrical configuration) or, e.g.,in a fashion that offers both waterproofing (or water resistance) and fire resistance in both directions (a symmetrical configuration) through the building joint, or any other desired directions/combinations thereof. The system arrives at the site already compressed and ready to be inserted in the building joint.

The expansion joint systems and architectural joint systems of the present invention provide an extremely robust fire resistant and water resistant mechanism capable of accommodating seismic, thermal and other building movements whilemaintaining the fire and water resistance characteristics.

Click here to view the patent on USPTO website.

 

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