Every building-product price increase letter, in one place.
Roofing, HVAC, plumbing, electrical, drywall, insulation, pool, flooring, door hardware and more. We collect manufacturer price-increase announcements, freight/fuel surcharges and rescinded increases from distributor notice pages, manufacturer archives and the trade press, every day, so you can quote jobs before prices change.
1929letters tracked
1085brands
39effective in next 30 days
31sources
Every row links to the original letter or posting. Updated daily. See the trend charts →
Letters taking effect in May 2026
| Effective | Brand | Trade | Products | Increase | Source |
|---|---|---|---|---|---|
| May 31, 2026 | ICP Parts | HVAC | 15% | Johnstone Supply (Muskegon Group) | |
| May 30, 2026 | Honeywell Commercial | HVAC | 5% | Johnstone Supply (Muskegon Group) | |
| May 29, 2026 | Alegion | Windows & Doors | has announced a price increase of approximately 3-10% on all products. We will adjust our prices effective with shipments on May 29, 2026. |
approximately 3-10% | Universal Supply |
| May 29, 2026 | Allegion | Door Hardware | Locks & Access SolutionsSchlage & Falcon Commercial Locks: 3% Schlage Commercial Electronics: 3% Schlage ECS (Maglocks & Power Supplies): 3% Locknetics: 3%AccessoriesGJ: 3% Ives… |
3%, 10% | letter · Top Notch Distributors |
| May 29, 2026 | Systemair | HVAC | Fantech Additional 6.5% increase on residential ventilation products, effective May 29. This excludes light commercial ERVs and commercial roof fans. |
6.5% | ACHR News |
| May 28, 2026 | DuPont | Insulation | Insulation | 4% | letter · ABC Supply Interiors |
| May 28, 2026 | James Hardie | Decking & Railing | Decking and Exteriors | 4-14% | letter · ABC Supply |
| May 26, 2026 | MS Metal Sales | Gutters | Steel products | 6-9% | letter · ABC Supply |
| May 26, 2026 | Miramac Metals | Roofing | Miramac Metals will implement a price increase of 5%-10%, effective May 26, 2026, on steel panels and trim parts.. |
5%-10% | letter · Convoy Supply (US) |
| May 25, 2026 | DuPont Tyvek | Roofing | Building Envelope | 3-15% | letter · ABC Supply |
| May 25, 2026 | Grabber | Drywall & Interiors | Tools & Accessories | 6%, 8%, 5%, 10%, 4% | letter · ABC Supply Interiors |
| May 25, 2026 | Kingspan | Insulation | Insulation | 4%-8% | letter · ABC Supply Interiors letter · Performance Pro Supply |
| May 25, 2026 | Norandex | Siding | Insulating products | 4-8% | letter · ABC Supply |
| May 25, 2026 | Parksite | Siding | 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 25, 2026 | Robertshaw | HVAC | Price increase, effective May 25. |
see letter | ACHR News Supply House Times / PM Magazine |
| May 25, 2026 | Uniweld | HVAC | Approximately 3% on all items, effective May 25. |
Approximately 3% | ACHR News |
| May 25, 2026 | WaterFurnace | HVAC | WaterFurnace announced an average 3.9% price increase across all residential product lines, parts, and accessories, effective May 25, 2026. Individual part numbers may vary. The… |
average 3.9%, 1.1% | Paschal (citing ACHR/manufacturers) |
| May 24, 2026 | Reeb | has announced a price increase of approximately 3-4% on all products. We will adjust our prices effective with shipments on May 24, 2026. |
approximately 3-4% | Universal Supply | |
| May 23, 2026 | Haviland Consumer Products | Pool | 5% | Heritage Pool Supply | |
| May 22, 2026 | Babcock Davis | Roofing | aluminum roof hatches Babcock Davis - Rooftop Price Increase Announcement 2026 |
5% | letter · MAR Supply |
| May 22, 2026 | Johns Manville | Insulation | Insulation | 5%-10% | letter · ABC Supply Interiors |
| May 22, 2026 | Panasonic | HVAC | Ventilation fans | see letter | Johnstone Supply (Muskegon Group) |
| May 20, 2026 | Amico – Exteriors Lath and Vinyl Beads | Drywall & Interiors | Exterior Walls | see letter | letter · ABC Supply Interiors |
| May 19, 2026 | MI Windows and Doors | Windows & Doors | has announced a price increase of approximately 5-9% on all products. We will adjust our prices effective with shipments on May 19, 2026. |
approximately 5-9% | Universal Supply |
| May 18, 2026 | AO Smith Water Heaters | HVAC | 7%, effective May 18. |
7% | ACHR News Johnstone Supply (Muskegon Group) |
| May 18, 2026 | Aervoe | HVAC | 4% | Conklin Metal Industries | |
| May 18, 2026 | Atlas | Roofing | Roof Shingle Products Atlas Shingle and Accessories Price Increase - Effective May 18, 2026 |
5-8% | letter · ABC Supply letter · MAR Supply letter · Mueller Roofing Distributors Universal Supply |
| May 18, 2026 | DaVinci | Roofing | DaVinci products (excluding Inspire Slate) has also announced a price increase of approximately 3-8% on all DaVinci products (excluding Inspire Slate). We will adjust our prices effective with shipments on May 18, 2026. |
approximately 3-8% | Universal Supply |
| May 18, 2026 | DaVinci® Roofscapes | Roofing | Roofing products DaVinci® Roofscapes Price Increase - Effective May 18, 2026 |
3-8% | letter · MAR Supply |
| May 18, 2026 | ITW Commercial Construction | Fire Protection | Various products | 1.5% to 9.5% | letter · Core & Main Fire Protection |
| May 18, 2026 | Legend | Plumbing & PVF | 5-10% on most products, but not all. |
5-10% | letter · Cooney Brothers Supply House Times / PM Magazine |
| May 18, 2026 | Legend Valve | HVAC | 5-10% on most products, effective May 18. |
5-10% | ACHR News |
| May 18, 2026 | Malarkey | Roofing | Residential Roofing Products; Residential roofing products Malarkey External Sales Announcement US Price Increase - Effective May 18, 2026 |
up to 10% | letter · ABC Supply letter · MAR Supply RidgeReport |
| May 18, 2026 | Metrie | millwork products has announced a price increase of approximately 5% on all millwork products. We will adjust our prices effective with shipments on May 18, 2026. |
approximately 5% | Universal Supply | |
| May 18, 2026 | Newpoint | Roofing | Concrete Products Arizona Price Increase |
5–7% | letter · Gulfeagle Supply letter · Gulfeagle Supply letter · Gulfeagle Supply |
| May 18, 2026 | Progressive Foam | Siding | 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 18, 2026 | Viwinco | Windows & Doors | has announced a price increase of approximately 4.25% on all products. We will adjust our prices effective with shipments on May 18, 2026. |
approximately 4.25% | Universal Supply |
| May 18, 2026 | Westlake - DaVinci | Roofing | Westlake-DaVinci has announced a price increase of 3%-8%, effective May 18, 2026, on all products... |
3%-8% | letter · Convoy Supply (US) |
| May 18, 2026 | Westlake Newpoint | Roofing | Concrete products | 5-7% | letter · ABC Supply |
| May 18, 2026 | Westlake Royal Roofing Solutions | Roofing | Concrete products Westlake Royal Roofing Solutions Price Increase - Effective April 1, 2026 |
5-7% | letter · MAR Supply letter · Gulfeagle Supply letter · Gulfeagle Supply |
| May 18, 2026 | Westlake Stone Solutions | Stucco | Stone Solutions | 5-7% | letter · ABC Supply |
| May 17, 2026 | Mid America | Siding | 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 17, 2026 | Navien | HVAC | Price increase, effective May 17. |
see letter | ACHR News |
| May 16, 2026 | Westlake Kleer | Roofing | Kleer products | 6-9% | letter · ABC Supply |
| May 15, 2026 | Amico | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 15, 2026 | Atkore – PVC Conduit | Electrical | Price increase. |
see letter | Womack Electric Supply |
| May 15, 2026 | Babcock-Davis | Drywall & Interiors | Tools & Accessories | 5% price increase | letter · ABC Supply Interiors |
| May 15, 2026 | Fayette Pipe | Fire Protection | Steel Pipe | $60/ton | letter · Ferguson Fire & Fabrication |
| May 15, 2026 | GAF | Roofing | Streetbond products | Surcharge $450 | letter · ABC Supply |
| May 15, 2026 | Hayward Industries | Pool | Fuel Surcharge Fuel Surcharge |
3% | Heritage Pool Supply |
| May 15, 2026 | ICP Parts | HVAC | 10%; 16% | Johnstone Supply (Muskegon Group) Supply House Times / PM Magazine | |
| May 15, 2026 | Johns Manville | Insulation | Johns Manville Corbond® Spray Foam | 15% | letter · Performance Pro Supply |
| May 15, 2026 | Kaycan | Siding | Aluminum products | 15% | letter · ABC Supply |
| May 15, 2026 | NCFI | Insulation | NCFI Spray Foam Systems | 12% | letter · Performance Pro Supply |
| May 15, 2026 | Nucor | Fire Protection | Steel Pipe | $60/ton, 5% | letter · Ferguson Fire & Fabrication |
| May 15, 2026 | Paramount Pool & Spa | Pool | Fuel Surcharge Fuel Surcharge |
3% | Heritage Pool Supply |
| May 15, 2026 | PolyMolding | Siding | 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 13, 2026 | Bull Moose | Fire Protection | sprinkler pipe | min 5% | letter · Ferguson Fire & Fabrication |
| May 13, 2026 | Cablofil | Electrical | Price increase. |
see letter | Womack Electric Supply |
| May 13, 2026 | Copper | HVAC | see letter | Johnstone Supply (Muskegon Group) | |
| May 11, 2026 | Consolidated MFG Intl | Pool | Copper | 15% | Heritage Pool Supply |
| May 11, 2026 | Englert | Roofing | Steel Products | 4% | letter · ABC Supply |
| May 11, 2026 | Georgia Pacific | Drywall & Interiors | gypsum board products has announced a price increase on all gypsum board products. We will adjust our prices effective with shipments on May 11, 2026. |
see letter | Universal Supply |
| May 11, 2026 | Heat Controller | HVAC | TBD, effective May 11. |
see letter | ACHR News |
| May 11, 2026 | IPS | Pool | Cements, Primers, Accessories | 5-9% | Heritage Pool Supply |
| May 11, 2026 | KIK International | Pool | Limited by Region | 7% | Heritage Pool Supply |
| May 11, 2026 | Kingspan | Insulation | Insulation | see letter | letter · ABC Supply Interiors |
| May 11, 2026 | Owens Corning | Roofing | Synthetic Underlayment | 5-9% | letter · ABC Supply |
| May 11, 2026 | Quarrix | Roofing | Building Products May Price Increase |
3% - 8% | letter · Gulfeagle Supply |
| May 11, 2026 | Soprema | Roofing | SOPREMA will implement a price increase, effective May 11, 2026, on the following products ... |
see letter | letter · Convoy Supply (US) |
| May 11, 2026 | Stabilit | Drywall & Interiors | Fiberglass Reinforced Panels (FRP) | 5% | letter · ABC Supply Interiors |
| May 11, 2026 | Stanley Black & Decker | Plumbing & PVF | Canada pricing Stanley Black & Decker Canada will implement pricing adjustments effective May 11, 2026. Select SKUs will increase by up to 15% due to Canadian steel derivative tariffs. |
see letter | letter · Bartle & Gibson (Canada) |
| May 11, 2026 | USG | Drywall & Interiors | wallboard products | see letter | letter · Negwer Materials letter · ABC Supply Interiors |
| May 11, 2026 | Vybond | HVAC | 4% increase on all HVACR Nashua and Polyken tape products, effective May 11. |
4% | ACHR News |
| May 11, 2026 | Williams | HVAC | 6% on Cozy and Williams residential heating products, effective May 11. |
6% | ACHR News |
| May 10, 2026 | Cornerstone Building Brands | Siding | Vinyl Siding | up to 6% | letter · ABC Supply |
| May 8, 2026 | Atlantic Premium Shutters | Siding | 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 8, 2026 | Viking SupplyNet | Fire Protection | Shurjoint Grooved Products | 0 - 12% | letter · Viking Group |
| May 8, 2026 | Wheatland Tube | Fire Protection | Pipe Products | $60/Ton, 5% | letter · Ferguson Fire & Fabrication |
| May 7, 2026 | Apollo | Plumbing & PVF | Up to 20% increase on Apollo PowerPress, up to 17% om Apollo SmartPress, up to 12% on Shurjoint grooved products, 3% on Backflow products, and 3% on Commerical and Industrial Va… |
Up to 20%, up to 17%, up to 12%, 3% | Cooney Brothers Supply House Times / PM Magazine |
| May 7, 2026 | Shurtape | HVAC | 3.5-10% by product category, effective May 7. |
3.5-10% | ACHR News Conklin Metal Industries |
| May 6, 2026 | Nu-Calgon | HVAC | 15% increase on specific glycol products only, effective May 6. |
15% | ACHR News |
| May 6, 2026 | NuCalgon | HVAC | 15% | Johnstone Supply (Muskegon Group) | |
| May 5, 2026 | Oldcastle Infrastructure | Pool | 6-8% | Heritage Pool Supply | |
| May 4, 2026 | Bitumar | Roofing | Low Slope Roofing | see letter | letter · ABC Supply |
| May 4, 2026 | Cardinal Systems | Pool | Aluminum | 10% | Heritage Pool Supply |
| May 4, 2026 | Cemco | Drywall & Interiors | see letter | letter · Negwer Materials letter · ABC Supply Interiors | |
| May 4, 2026 | CertainTeed | Roofing | Commercial Roofing Commercial Price Increase Announcement - Effective May 4, 2026 |
up to 8% | letter · ABC Supply letter · MAR Supply letter · ABC Supply Interiors letter · Gulfeagle Supply |
| May 4, 2026 | CertainTeed Gypsum | Drywall & Interiors | approximately 20%, 30% | letter · Negwer Materials Universal Supply | |
| May 4, 2026 | ClarkDietrich | Drywall & Interiors | Metal Framing, Studs & Tracks | 10% | letter · ABC Supply Interiors |
| May 4, 2026 | Continental Materials, Inc. | Roofing | Roofing Asphalt | 5-10% | letter · ABC Supply |
| May 4, 2026 | Daltile | Pool | 5% | Heritage Pool Supply | |
| May 4, 2026 | Den Hartog | Fire Protection | All products | 8% | letter · Ferguson Fire & Fabrication |
| May 4, 2026 | DirectedAir | HVAC | 5-14% on select product categories, effective May 4. |
5-14% | ACHR News |
| May 4, 2026 | Duraflo | Roofing | Duraflo products May Price Increase |
6-10% | letter · Gulfeagle Supply |
| May 4, 2026 | EB Metal/Super Stud | Drywall & Interiors | Metal Framing, Studs & Tracks | a minimum of 10% | letter · ABC Supply Interiors |
| May 4, 2026 | ECHOtape | Drywall & Interiors | Tools & Accessories | see letter | letter · ABC Supply Interiors |
| May 4, 2026 | ES Windows LLC | Windows & Doors | Windows and doors | 7% | letter · ABC Supply |
| May 4, 2026 | Gaco | Roofing | GacoFlex products | up to 10% | letter · ABC Supply |
| May 4, 2026 | Hammond Manufacturing | Electrical | Price increase. |
see letter | Womack Electric Supply |