Stonewood Exterior Architectural Panels Warranty (PDF)
Quick Lead Times
In an industry where the standard lead-time continues to rise, our American-made panels offer a refreshing alternative; delivery on your…
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Zero Flame Spread
We know that fire safety is a top concern, that's why we proudly offer exterior panels with a Flame Spread…
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AIA Continuing Education
Stonewood offers two online AIA/HSW accredited courses through Architectural Record and AEC Daily. Read More.
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NFPA 285 Compliant
Tested to the highest standards, Stonewood Panels perform; passing the stringent NFPA 285 Standard Fire Test for exterior wall assemblies.
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Made in America
Manufacturing and customer service are located in Wisconsin; ready to send your quotes, samples and offer timely- on-the-spot answers.
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Stonewood Panels are solid phenolic architectural panels (also referred to as compact laminate) manufactured by Fiberesin. Panels and planks are designed for use as open joint exterior cladding in a rainscreen design.
Versatile installation options include exposed and concealed fasteners, as well as a stackable mounting system.
Stonewood panels pass the rigorous NFPA 285 test and are offered in stunning designs to accent new and retrofit construction.
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View Miami-Dade NOA
NEMA Test Results
| Description | Test ID | NEMA Requirements | Class A & B |
| Light Resistance | 3.3 | Slight Effect | Slight Effect |
| Resistance to High Temperature | 3.6 | Slight Effect | No Effect |
| Ball Drop Impact Resistance: | 3.8 | 75" | 90"+ |
| Wear Resistance: | 3.13 | 400 Cycle Minimum | 700 Cycle |
Mechanical Properties
| Property | Direction | Class A & B |
| Flexural Strength ASTM D-790 (PSI) | Machine Direction Cross Direction |
19,000 16,000 |
| Flexural Modulus ASTM D-790 (PSI) | Machine Direction Cross Direction |
1.3 x 106 1.0 x 106 |
| Tensile Modulus ASTM D-638 (PSI) | Machine Direction Cross Direction |
14,000 10,000 |
Fire Test Data
| Description | Information | Class A | Class B |
| Flame Spread Index - ASTM E-84 (BLDG) | Tests were performed on a 5/16" panel | ≤ 25 | ≤ 75 |
| Smoke Developed Values - ASTM E-84 (BLDG) | Class B is considered to be the Standard Product. | ≤ 450 | ≤ 450 |
Physical Characteristics
| Weight Per Unit Area | |||
| Thickness | 0.156" | 0.250" | 0.500" |
| Density PCF | 86 ± 3 | 86 ± 3 | 86 ± 3 |
| Lbs/ft2 | 1.12 ± 0.04 | 1.79 ± 0.06 | 3.58 ± 0.13 |
| Kg/m2 | 5.47 ± 0.20 | 8.74 ± 0.29 | 17.47 ± 0.64 |
Weathering Resistance
| Description | Test Method | Requirements (3000 Hr) |
| Grey Scale | DIN EN 438-2 29 | 3-4 |
| Appearance | DIN EN 438-2 29 | 4 |
Manufacturing Tolerance
| Measurement | Tolerance (in) |
| Thickness (.156 to .375) | ± .020 |
| Thickness (above .375 to 1.000) | ± .030 |
| CNC Shaped size (Length -Width) | ± .020 |
| Drill Diameter | ± .003 |
| Drill Depth | ± .020 |
| CNC Hole to hole | ± .020 |
| CNC Hole to Edge (1 Oper) | ± .020 |
| CNC Hole to Edge (2 Oper) | ± .030 |
| Routing - (Slots Width and Length) | ± .015 |
| Routing - (Slots Depth) | ± .020 |
Approvals
| Description | Information |
| Miami Dade / Notice of Acceptance | Compliant |
| Florida Product Approval / Validated | FL27934 |