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Siding Price Increases 2026
54 siding price increases from 36 manufacturers take effect in 2026; the latest is Norandex at 4% on Oct 2, 2026. The median stated increase is 6%. Checked daily · last checked Oct 26, 2026.
54 siding price increases from 36 manufacturers take effect in 2026. Grouped below by effective date, each with a link to the original letter.
54price increases in 2026
36brands
6%typical stated increase
0still to take effect in 2026
- Latest effective: Norandex (Oct 2, 2026, 4%); Tamlyn (Sep 16, 2026, approximately 8%, 10%); Mid-America (Sep 4, 2026, approximately 5-7%)
- Typical %: median 6% across the 52 letters effective in 2026 that state a percentage (middle half 5%–8.5%; ranges counted at their midpoint).
- Busiest months in 2026: May 2026 (13), January 2026 (7), June 2026 (7)
Method: The sample contains 54 notices effective in 2026: 54 price increases and 0 surcharges; 54 count as price increases and 52 include a usable stated percentage. Percentage statistics exclude separate surcharges, decreases, rescinded notices and increases without a stated percentage. A range such as 3–5% counts once at its midpoint; “up to” and “average” use the stated figure. Each notice has equal weight. These statistics describe collected announcements, not a typical contractor’s actual invoice; pricing can vary by product, region, supplier and account terms.
When siding increases take effect in 2026
| Effective month | Increases | State a % | Median stated % |
|---|---|---|---|
| January 2026 | 7 | 6 | 6.3 |
| February 2026 | 3 | 3 | – |
| March 2026 | 2 | 2 | – |
| April 2026 | 6 | 6 | 8 |
| May 2026 | 13 | 13 | 6 |
| June 2026 | 7 | 7 | 6.5 |
| July 2026 | 5 | 4 | – |
| August 2026 | 7 | 7 | 6 |
| September 2026 | 3 | 3 | – |
| October 2026 | 1 | 1 | – |
Frequently asked questions
When do siding price increases usually take effect?
Of the 54 siding price increases effective in 2026 that PriceLetter has on file, the busiest effective months are May (13), January (7), June (7). 35% take effect on the 1st of a month.
How much are siding prices going up in 2026?
52 of the 54 price increases state a percentage. The median stated increase is 6%, and the middle half of letters fall between 5% and 8.5% (a stated range like "3–5%" counts at its midpoint). Many letters say "up to" a figure, so actual increases vary by product line.
Are more siding price increases coming?
No siding price increase on file is still to take effect in 2026. New letters are added daily.
Where does this data come from?
From manufacturer price-increase letters posted publicly by siding distributors and the trade press, checked daily. Each row links to the original letter or posting. Always confirm pricing with your supplier.
All 2026 siding price increases by effective date
January 2026 (7)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jan 1, 2026 | James Hardie | building materials | 5%-11% | Original letter · ABC Supply Original letter · Convoy Supply (US) Universal Supply |
| Jan 1, 2026 | LP Smartside | SmartSide trim and siding | see letter | Original letter · ABC Supply |
| Jan 1, 2026 | Nichiha | Architectural Wall Panels | avg 10% | Original letter · ABC Supply Original letter · ABC Supply Interiors |
| Jan 5, 2026 | Cornerstone Building Brands | Exterior building products | 4-6% | Original letter · ABC Supply |
| Jan 6, 2026 | Diamond Kote Siding System | Siding System | 3-7% | Original letter · ABC Supply |
| Jan 12, 2026 | AL13 Architectural Systems | Panel and Plank Systems | 5-10% | Original letter · ABC Supply Original letter · ABC Supply Original letter · Convoy Supply (US) |
| Jan 17, 2026 | Fypon | has announced a price increase of approximately 3% on all products. We will adjust our prices effect with shipments on January 17, 2026. | approximately 3% | Universal Supply |
February 2026 (3)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Feb 1, 2026 | Allura | All products | 4.5% | Original letter · ABC Supply |
| Feb 1, 2026 | Longboard | Siding; Rain Gutters, Guards & Downspouts | 7% | Original letter · ABC Supply |
| Feb 16, 2026 | Alum-A-Pole | has announced a price increase of approximately 4% on all products. We will adjust our prices effective with shipments on February 16, 2026. | approximately 4% | Universal Supply |
March 2026 (2)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Mar 2, 2026 | CertainTeed | Aluminum Products | up to 5% | Original letter · ABC Supply |
| Mar 8, 2026 | Gentek | shakes & scallops, and insulation has announced a price increase of approximately 2-4% on all vinyl siding, soffit, and accessories; 4-6% on all composite cladding and accessories; and 6% on shakes & scallops, a… |
approximately 2-4%, 4-6%, 6% | Universal Supply |
April 2026 (6)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Apr 1, 2026 | CertainTeed | Siding Products | up to 6.0% | Original letter · ABC Supply Original letter · Mueller Roofing Distributors Universal Supply |
| Apr 1, 2026 | CertainTeed Siding | has announced a price increase of approximately 6% on CertainTeed Vinyl, Metal, Soffit and accessories, Cedar Impressions, and Rise Composite Cladding. We will adjust our prices… | approximately 6% | Universal Supply |
| Apr 1, 2026 | Ply Gem | Ply Gem Performance Metals aluminum products has announced a price increase of approximately 15% on all Ply Gem Performance Metals aluminum products. We will adjust our prices effective with shipments on April 1, 2026. |
approximately 15% | Universal Supply |
| Apr 15, 2026 | PolyMolding | products delivered on or after April 15, 2026 has announced a price increase of approximately 10% on all products delivered on or after April 15, 2026. An additional 15% price increase on all products delivered on or after … |
approximately 10%, 15% | Universal Supply |
| Apr 20, 2026 | Nichiha | all products | 2.0%, 1.25%, 0.75% | Original letter · ABC Supply |
| Apr 30, 2026 | Westlake | TruExterior Siding and Trim products has announced a price increase of approximately 8-12% on all TruExterior Siding and Trim products. We will be adjusting our prices effective with shipments on April 30, 2026. |
approximately 8-12% | Universal Supply |
May 2026 (13)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Associated Materials | Siding and Metals Siding and Metals Price Increase |
5% | Original letter · Alside / Associated Materials (manufacturer) |
| May 1, 2026 | Associated Materials Innovations | Vinyl siding products | 4-5% | Original 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 | Ply Gem | Aluminum products | 15% | Original 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 10, 2026 | Cornerstone Building Brands | Vinyl Siding | up to 6% | Original letter · ABC Supply |
| May 15, 2026 | Kaycan | Aluminum products | 15% | Original 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 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 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 25, 2026 | Norandex | Insulating products | 4-8% | Original 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 |
June 2026 (7)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jun 1, 2026 | Tapco | Brakes and accessories has announced a price increase of approximately 5% on all products. We will adjust our prices effective with shipments on June 1, 2026. |
5% | Original letter · ABC Supply Universal Supply |
| Jun 5, 2026 | EDCO Products, Inc. | Exterior building products | 5-12% | Original letter · ABC Supply |
| Jun 8, 2026 | Typar | has announced a price increase of approximately 5-6% on all products. We will adjust our prices effective with shipments on June 8, 2026. | approximately 5-6% | Universal Supply |
| Jun 8, 2026 | Versatex | has announced a price increase of approximately 5% on all products. We will adjust our prices effective with shipments on June 8, 2026. | approximately 5% | Universal Supply |
| Jun 12, 2026 | Ply Gem | has announced a price increase of approximately 15% on select Trim Coil and Roll Form items within the Ply Gem Perfomance Metals collection. We will adjust our prices effective … | approximately 15% | Universal Supply Original letter · Gulfeagle Supply |
| Jun 26, 2026 | Alsco Metals | aluminum products Alsco will implement a price increase of up to 10% on all aluminum products effective with all orders shipped on or after June 26, 2026. |
up to 10% | Original letter · ABC Supply Original letter · Mueller Roofing Distributors |
| Jun 29, 2026 | James Hardie | DREAM Milled Artisan; all products | approximately 3-10% | Original letter · ABC Supply Original letter · ABC Supply Original letter · Convoy Supply (US) Universal Supply |
July 2026 (5)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jul 1, 2026 | Westlake Royal Roofing Solutions | Siding | see letter | Original letter · ABC Supply |
| Jul 8, 2026 | Norandex | housewrap products | 15% | Original letter · ABC Supply |
| Jul 12, 2026 | Ply Gem | Trim Coil Roll Form | 15% | Original letter · ABC Supply |
| Jul 13, 2026 | Associated Materials | aluminum products | 12% | Original letter · ABC Supply |
| Jul 17, 2026 | CertainTeed | Vinyl Siding, Soffit, and accessories has announced a price increase of approximately 6% on all Vinyl Siding, Soffit, and accessories. We will adjust our prices effective with shipments on July 17, 2026. |
approximately 6% | Universal Supply |
August 2026 (7)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | CertainTeed | Vinyl Siding | up to 6.0% | Original letter · ABC Supply Original letter · Mueller Roofing Distributors |
| Aug 1, 2026 | Garden State Lumber | NuCedar Shingle products has announced a price increase of approximately 5% on all NuCedar Shingle products. We will adjust our prices effective with shipments on August 1, 2026. |
approximately 5% | Universal Supply |
| Aug 1, 2026 | Mastic | has announced a price increase of approximately 5% on all Vinyl Siding and accessories, Injection Molded Products, and PVC Trim. We will adjust our prices effective with shipmen… | approximately 5% | Universal Supply |
| Aug 10, 2026 | Associated Materials Innovations | Vinyl siding products | 3-6% | Original letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products | Vinyl Siding Products | 5%-7% | Original letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Foundry Specialty Siding | Specialty Siding | 5%–7% | Original letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Mid-America | Shutters, Blocks and Vents | 5%–7% | Original letter · ABC Supply |
September 2026 (3)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Sep 1, 2026 | Cornerstone Building Brands | Vinyl Siding | 5% | Original letter · ABC 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 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 |
October 2026 (1)
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Oct 2, 2026 | Norandex | Home Accents siding | 4% | Original letter · ABC Supply |