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NEW Sto Fireblocking Solution to Meet 2022 New York City Building Code

Sto Fireblocking

Sto Fireblocking is a unique, patent-pending solution designed to meet the stringent 2022 New York City Building Code. Built on technology trusted in Europe for over twenty years, it is engineered and tested for use with Sto EIFS, stucco, and rainscreen systems.

Systems available with Sto Fireblocking

StoTherm ci GPS with Sto Fireblocking
StoTherm ci with Sto Fireblocking
StoPowerwall ci with Sto Fireblocking
StoVentec Glass
StoVentec Render with Sto Fireblocking
StoVentec for masonry veneer facades

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Sto Fireblocking features the use of Sto Lamellas, a non-combustible fireblocking product available in various thicknesses to match that of the adjacent foam plastic insulation. The precision cut of Sto Lamellas ensures a seamless transition between the lamellas and foam plastic insulation resulting in a plane surface and uniform finish.

This solution is fully compliant and tested in accordance with NFPA 285 that is adhered to the substrate and therefore penetration-free. It allows architects to design an energy-efficient building envelope compliant with the most stringent building codes from one manufacturer. Plus, with Sto’s innovative solutions, a wide range of aesthetic options can be achieved.​

Sto Lamella Product Page
Sto Fireblocking Brochure
Sto Fireblocking Installation Video
StoTherm ci GPS with Sto Fireblocking floorline detail

StoTherm ci GPS with Sto Fireblocking

Sto Lamella by Sto Corp.

Fireblocking Requirements

The 2022 New York City Building Code, Section 718.2.6. for exterior wall assemblies impacts EIFS with foam plastic insulation, MCM, HPL, FRP, and any other wall covering containing combustible components.

Requirements:

  • Around wall openings, such as windows, doors, vents, pipes and other similar openings. (see 1)
  • In alignment with all slab edges for a height of not less than 9 inches and at maximum intervals of 20 feet vertically. (see 2)
  • Between different occupancy groups, horizontally or vertically. (see 3)
NYC Technical Bulletin Code Requirements
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