11 roofing manufacturers have announced price increases taking effect in May 2022, led by Polyglass (7-10%, May 2, 2022).
Checked daily · last checked Nov 2, 2026.
Roofing Price Increases May 2022
Roofing material price increases 2026
11 Roofing manufacturer price-increase letters from 11 brands taking effect in May 2022. Every row links to the original letter or posting.
By month: November 2026 · October 2026 · September 2026 · August 2026 · July 2026 · June 2026 · May 2026 · April 2026 · March 2026 · February 2026 · January 2026 · December 2025 · November 2025 · October 2025 · September 2025 · August 2025 · July 2025 · June 2025 · May 2025 · April 2025 · March 2025 · February 2025 · January 2025 · November 2024 · September 2024 · August 2024 · July 2024 · June 2024 · May 2024 · April 2024 · March 2024 · February 2024 · January 2024 · October 2023 · September 2023 · August 2023 · July 2023 · May 2023 · February 2023 · November 2022 · October 2022 · September 2022 · August 2022 · July 2022 · June 2022 · May 2022 · April 2022 · March 2022 · February 2022 · January 2022 · December 2021 · November 2021 · October 2021 · September 2021 · August 2021 · July 2021 · June 2021 · May 2021 · April 2021 · March 2021 · February 2021
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 23, 2022 | Karnak | Convoy Supply (US) bulletin: Due to extreme increases in the cost of aluminum pigments and oil based raw-materials, Karnak modifies a price increase after price increase announc… | 17%, 12% | Original letter · Convoy Supply (US) |
| May 18, 2022 | DaVinci Roofscapes | Convoy Supply (US) bulletin: Vendor will implement a price increase of 20%, effective May 18, 2022 on all new Bellaforté purchase orders. This is effective with all new purchase… | 20% | Original letter · Convoy Supply (US) |
| May 16, 2022 | Lomanco | Convoy Supply (US) bulletin: Lomanco will implement a price increase of 6%, effective May 16, 2022, on all metal products. All orders with the above products shipped on or after… | 6% | Original letter · Convoy Supply (US) |
| May 15, 2022 | Bitumar | Convoy Supply (US) bulletin: Bitumar Inc. will implement a price increase of 10%, effective May 15, 2022, on all bulk and packaged roofing asphalt products. | 10% | Original letter · Convoy Supply (US) |
| May 15, 2022 | Georgia-Pacific | Convoy Supply (US) bulletin: Georgia-Pacific will implement a price increase of 5%-7%, effective May 15, 2022, on all DensDeck and DensDeck Prime roof boards. | 5-7% | Original letter · Convoy Supply (US) |
| May 9, 2022 | Bilco | Convoy Supply (US) bulletin: Bilco will implement a price increase of 10%, effective May 9, 2022, on all BILCO commercial products, parts, and accessories. | 10% | Original letter · Convoy Supply (US) |
| May 4, 2022 | HAL | Convoy Supply (US) bulletin: HAL will implement a price increase of 10%-12%, effective May 4, 2022, on all residential and commercial products. All orders with the above product… | 10-12% | Original letter · Convoy Supply (US) |
| May 2, 2022 | Carlisle | Convoy Supply (US) bulletin: Carlisle will implement a price increase, effective May 2, 2022 & June 1st ,2022, as follows: ”Ongoing global supply challenges, along with strong d… | see letter | Original letter · Convoy Supply (US) |
| May 2, 2022 | Polyglass | Convoy Supply (US) bulletin: Polyglass will implement a price and freight increase, effective May 2, 2022, on the following products: All APP torch products, SBS torch/mop produ… | 7-10% | Original letter · Convoy Supply (US) |
| May 2, 2022 | Quarrix | Convoy Supply (US) bulletin: Quarrix will implement a price increase of 2%-5%, effective May 2, 2022, on Quarrix building products. All orders with the above products shipped on… | 2-5% | Original letter · Convoy Supply (US) |
| May 2, 2022 | Versico Roofing Systems | Convoy Supply (US) bulletin: Versico will implement a price increase, effective May 2, 2022 & June 1st ,2022, as follows: ”Ongoing global supply challenges, along with strong de… | see letter | Original letter · Convoy Supply (US) |