Siding Price Increases May 2026
12 manufacturer price-increase letters from 12 brands taking effect in May 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 |
|---|---|---|---|---|
| May 25, 2026 | Norandex | Insulating products | 4-8% | letter · ABC Supply |
| May 25, 2026 | Parksite | Dupont products has announced a price increase of approximately 3-15% on all Dupont products. We will adjust our prices effective with shipments on May 25, 2026. |
approximately 3-15% | Universal Supply |
| May 18, 2026 | Progressive Foam | has announced a price increase of approximately 2-10% on all products. We will adjust our prices effective with shipments on May 18, 2026. |
approximately 2-10% | Universal Supply |
| May 17, 2026 | Mid America | has announced a price increase of approximately 6-8% on all products. We will adjust our prices effective with shipments on May 17, 2026. |
approximately 6-8% | Universal Supply |
| May 15, 2026 | Kaycan | Aluminum products | 15% | letter · ABC Supply |
| May 15, 2026 | PolyMolding | products delivered on or after May 15, 2026 has announced a price increase of approximately 15% price increase on all products delivered on or after May 15, 2026. |
approximately 15% | Universal Supply |
| May 10, 2026 | Cornerstone Building Brands | Vinyl Siding | up to 6% | letter · ABC Supply |
| May 8, 2026 | Atlantic Premium Shutters | has announced a price increase of approximately 5% on all products. We will adjust our prices effective with shipments on May 8, 2026. |
approximately 5% | Universal Supply |
| May 1, 2026 | Associated Materials Innovations | Vinyl siding products | 4-5% | letter · ABC Supply |
| May 1, 2026 | CertainTeed Siding | has announced a price increase of approximately 6% on CertainTeed Vinyl, Soffit and accessories, Cedar Impressions, and Rise Composite Cladding. We will adjust our prices effect… |
approximately 6% | Universal Supply |
| May 1, 2026 | Mastic | vinyl siding, soffit, and accessories has announced a price increase of approximately 6% on vinyl siding, soffit, and accessories. We will adjust our prices effective with shipments on May 1, 2026. |
approximately 6% | Universal Supply |
| May 1, 2026 | Plygem | Aluminum products | 15% | letter · ABC Supply |