Siding Price Increases
33 manufacturer price-increase letters from 21 brands. Every row links to the original letter or posting.
By month: January 2027 · October 2026 · September 2026 · August 2026 · July 2026 · June 2026 · May 2026 · April 2026 · March 2026 · February 2026 · January 2026 · January 2025
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jan 4, 2027 | James Hardie | James Hardie will implement a price increase, effective January 4, 2027, on the following products ... |
see letter | letter · Convoy Supply (US) letter · Convoy Supply (US) |
| Oct 2, 2026 | Norandex | Home Accents siding | 4% | letter · ABC Supply |
| Sep 1, 2026 | Cornerstone Building Brands | Vinyl Siding | 5% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products | Vinyl Siding Products | 5%-7% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Foundry Specialty Siding | Specialty Siding | 5%–7% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Mid-America | Shutters, Blocks and Vents | 5%–7% | letter · ABC Supply |
| Aug 10, 2026 | Associated Materials Innovations | Vinyl siding products | 3-6% | letter · ABC Supply |
| Aug 1, 2026 | CertainTeed | Vinyl Siding | up to 6.0% | letter · ABC Supply letter · Mueller Roofing Distributors |
| Jul 13, 2026 | Associated Materials | aluminum products | 12% | letter · ABC Supply |
| Jul 12, 2026 | Plygem | Trim Coil Roll Form | 15% | letter · ABC Supply |
| Jul 8, 2026 | Norandex | housewrap products | 15% | letter · ABC Supply |
| Jul 1, 2026 | Westlake Roofing Solutions | Siding | see letter | letter · ABC Supply |
| Jun 29, 2026 | James Hardie | DREAM Milled Artisan; all products | see letter | letter · ABC Supply letter · ABC Supply letter · Convoy Supply (US) |
| Jun 26, 2026 | Alsco Metals | aluminum products | up to 10% | letter · ABC Supply |
| Jun 5, 2026 | EDCO Products, Inc. | Exterior building products | 5-12% | letter · ABC Supply |
| Jun 1, 2026 | Tapco | Brakes and accessories | 5% | letter · ABC Supply |
| May 25, 2026 | Norandex | Insulating products | 4-8% | letter · ABC Supply |
| May 15, 2026 | Kaycan | Aluminum products | 15% | letter · ABC Supply |
| May 10, 2026 | Cornerstone Building Brands | Vinyl Siding | up to 6% | letter · ABC Supply |
| May 1, 2026 | Associated Materials Innovations | Vinyl siding products | 4-5% | letter · ABC Supply |
| May 1, 2026 | Plygem | Aluminum products | 15% | letter · ABC Supply |
| Apr 20, 2026 | Nichiha | all products | 2.0%, 1.25%, 0.75% | letter · ABC Supply |
| Apr 1, 2026 | CertainTeed | Siding Products | up to 6.0% | letter · ABC Supply letter · Mueller Roofing Distributors |
| Mar 2, 2026 | CertainTeed | Aluminum Products | up to 5% | letter · ABC Supply |
| Feb 1, 2026 | Allura | All products | 4.5% | letter · ABC Supply |
| Feb 1, 2026 | Longboard | Siding; Rain Gutters, Guards & Downspouts | 7% | letter · ABC Supply |
| 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) |
| 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 |
| Jan 2, 2025 | James Hardie | James Hardie will implement a price increase, effective January 1st, 2025, on the following products ... |
see letter | letter · Convoy Supply (US) letter · Convoy Supply (US) |