Siding Price Increases January 2026
6 manufacturer price-increase letters from 6 brands taking effect in January 2026. Every row links to the original letter or posting.
By month: January 2027 · November 2026 · October 2026 · September 2026 · August 2026 · July 2026 · June 2026 · May 2026 · April 2026 · March 2026 · February 2026 · January 2026 · August 2025 · March 2025 · January 2025
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jan 12, 2026 | AL13 Architectural Systems | Panel and Plank Systems | 5-10% | letter · ABC Supply |
| Jan 6, 2026 | Diamond Kote Siding System | Siding System | 3-7% | letter · ABC Supply |
| Jan 5, 2026 | Cornerstone Building Brands | Exterior building products | 4-6% | letter · ABC Supply |
| Jan 1, 2026 | James Hardie | building materials | 5%-11% | letter · ABC Supply letter · Convoy Supply (US) Universal Supply |
| Jan 1, 2026 | LP Smartside | SmartSide trim and siding | see letter | letter · ABC Supply |
| Jan 1, 2026 | Nichiha | Architectural Wall Panels | avg 10% | letter · ABC Supply letter · ABC Supply Interiors |