Plank sidings are interlocking lap sidings formed from either pre-painted galvanized or galvalume steel. The steel sheets are available in 26-ga and 24-ga thicknesses and coated with either PVDF or SMP paint system. The sidings are available in three different profiles namely Plank 90, Plank 135, and Plank 200.
Lap Siding 155 and Board & Batten 140 and 260 sidings are interlocking lap sidings formed from either pre-painted galvanized or galvalume steel. The steel sheets are available in 26-ga thickness and coated with either PVDF or SMP paint system.
AD300 and AD300R sidings are interlocking lap siding formed from either pre-painted galvanized or galvalume steel that can be installed in both horizontal and vertical orientations. The steel sidings are available in 22-ga and 20-ga thicknesses coated with either a PVDF or SMP paint system. The AD300R profile features a 1/8 in. deep by 1/2 in. wide bend along the center of the exposed surface.
Surface Burning Characteristics
| Test Standard |
Flame Spread Index |
Smoke Development Index |
| ASTM E84 |
25 or less |
450 or less |
Code Compliance Research Report
| Evaluation Method |
Building Codes |
Report No. |
| ASTM E1592 |
2024, 2021, 2018 IBC 2024, 2021, 2018 IRC
2023 FBC |
CCRR-0535 |
The following siding products are also under Intertek’s QA program for Florida Product Approval:
| Product |
Product Approval No. |
| Plank 90, Plank 135, Plank 200, Lap Siding 155, Board & Batten 140, and Board & Batten 260 Steel Sidings |
FL #46769 |
