KARNAK price increases
3 price-increase letters from KARNAK (Roofing). Most recent effective date: May 4, 2026. Sourced from public distributor postings; links go to the original letter.
| Effective | Brand | Trade | Products | Increase | Source |
|---|---|---|---|---|---|
| May 4, 2026 | KARNAK | Roofing | liquid products fabrics | 5.0%-8.0% | letter · ABC Supply letter · Convoy Supply (US) |
| Apr 6, 2026 | KARNAK | Roofing | Asphalt products KARNAK - Price Increase Announcement - Effective April 6, 2026 |
1%-6% | letter · MAR Supply letter · Convoy Supply (US) |
| Feb 15, 2025 | Karnak | Roofing | KARNAK will implement a price increase of 4%, effective February 15, 2025, on all Primers, Base-Coats, Coating Products, Black Goods, Adhesives, Silicone, Acrylics, SBS, SEBS, F… |
4% | letter · Convoy Supply (US) |