Siding Price Increases September 2026
3 manufacturer price-increase letters from 3 brands taking effect in September 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 |
|---|---|---|---|---|
| Sep 16, 2026 | Tamlyn | XtremeTrim Product Line and 10% on all TamlynWrap Elite has announced a price increase of approximately 8% on all XtremeTrim Product Line and 10% on all TamlynWrap Elite. We will adjust our prices effective with shipments on Septembe… |
approximately 8%, 10% | Universal Supply |
| Sep 4, 2026 | Mid-America | Shutters, Blocks and Vents has announced a price increase of approximately 5-7% on all Shutters, Blocks and Vents. We will adjust our prices with shipments on September 4, 2026. This increase does not app… |
approximately 5-7% | Universal Supply |
| Sep 1, 2026 | Cornerstone Building Brands | Vinyl Siding | 5% | letter · ABC Supply |