Stonewood Architectural NFPA 285 Compliant Panels

Stonewood offers three NFPA 285 compliant panel systems featuring Stonewood’s Class A-285 panels. These premium panels offer an enhanced chemistry making them NFPA 285 compliant.

EF NFPA 100721web

Exposed Fasteners (EF System) with 8mm panels

CF NFPA 101121web

Concealed Fasteners (CF System) with 10mm panels

Stack NFPA 100521 web

Stack System with 8mm planks

Does your project require NFPA 285 Compliance?

Since Stonewood offers three types of fire resistant panels: Class A-285, Class A, and Class B it is vital the NFPA-285 requirements be determined EARLY in the project specification process in to order avoid project delays.

This quick decision-making chart will help guide you to the best Stonewood panel solution for your project. 

Stonewood NFPA 285 Flowchart111621

Disclaimer: *NFPA 285 compliance may be required due to local build codes, design requirements, or other items outside the above specified requirements. It is the responsibility of the “Authority Having Jurisdiction” (AHJ) to verify the final wall assembly meets stated NFPA 285 installation requirements.

Stonewood NFPA 285 Compliant Wall Assemblies

EF Exposed Fastener Attachment System NFPA 285 Tested Assembly

EF NFPA 100721web callouts

1.
Interior Sheathing
2.
Stud
3.
Cavity Barrier
4.
Exterior Sheathing
5.
WRB Tested
6.
Air Gap
7.
Stonewood Exterior Cladding
Cavity Insulation
5/8" Type X gypsum wallboard 20 GA. 3-5/8" 16" OC TENMAT FF 102/50 5/8" type X gypsum wallboard Doerken Delta Maxx 1 in. EF (Exposed Fasteners), 8mm, Class A None

 

NFPA 285 EF System Details

pdf PDF Download (2.16 MB)   default DWG Download (2.01 MB)

CF Concealed Fastener Attachment System NFPA 285 Tested Assembly 

CF NFPA 101121web callouts 2

1.
Interior Sheathing
2.
Stud
3.
Cavity Barrier
4.
Exterior Sheathing
5.
WRB Tested
6.
Air Gap
7.
Stonewood Exterior Cladding
Cavity Insulation
5/8" Type X gypsum wallboard 20 GA. 3-5/8" 16" OC TENMAT FF 102/50 5/8" type X gypsum wallboard Tremco ExoAir 110AT 1 in. CF (Concealed Fasteners), 10mm, Class A None

 

NFPA 285 CF System Details

pdf PDF Download (2.78 MB) default DWG Download (1.94 MB)

Stonewood Stack Attachment System NFPA 285 Tested Assembly

Stack NFPA 100521 web callouts

1.
Interior Sheathing
2.
Stud
3.
Cavity Barrier
4.
Exterior Sheathing
5.
WRB Tested
6.
Air Gap
7.
Stonewood Exterior Cladding
Cavity Insulation
5/8" Type X gypsum wallboard 20 GA. 3-5/8" 16" OC TENMAT FF 102/50 5/8" type X gypsum wallboard Doerken Delta Maxx 1 in. Stonewood Stack System, 8mm, Class A None

 

NFPA 285 Stack System Details

pdf (2.46 MB) PDF Download
  default DWG Download (3.70 MB)

What is NFPA 285?

NFPA 285 is the standardized procedure for fire testing of exterior walls when combustible materials, such as foam plastic continuous insulation, panels, and water-resistive barriers (WRBs), are components within the wall assembly.

The stringent test provides a specific method of determining the flammability characteristics of complete exterior, non-load-bearing wall assemblies/panels. Designed to emulate the actual fire-resistance performance of the wall assembly in a constructed building, NFPA 285 evaluates combustible components within wall assemblies for buildings required to be of non-combustible construction.

About NFPA 285 Testing