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 We collect manufacturer price-increase announcements, freight/fuel surcharges and rescinded increases from distributor notice pages, manufacturer archives and the trade press, every day, so you can quote jobs before prices change.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 September 2026
| Effective | Brand | Trade | Products | Increase | Source |
|---|---|---|---|---|---|
| Sep 30, 2026 | John Manville | Drywall & Interiors | see letter | letter · Negwer Materials | |
| Sep 30, 2026 | Johns Manville | Insulation | Polyiso Foam Sheathing | 8% | letter · Performance Pro Supply |
| Sep 28, 2026 | Cemco | Drywall & Interiors | see letter | letter · Negwer Materials letter · ABC Supply Interiors | |
| Sep 28, 2026 | GAF | Roofing | Commercial roofing Freight Surcharge Increase |
Surcharge $1,100 | letter · ABC Supply letter · Gulfeagle Supply |
| Sep 28, 2026 | National Gypsum Company | Roofing | Roof Boards | see letter | letter · ABC Supply |
| Sep 28, 2026 | Siplast | Roofing | Commercial roofing Freight Surcharge Increase |
Surcharge $1,100 | letter · ABC Supply letter · Gulfeagle Supply |
| Sep 23, 2026 | Stamped Fittings | HVAC | 10% | Conklin Metal Industries | |
| Sep 21, 2026 | Atlas | Roofing | Shingles, Underlayments | Surcharge $500 per truckload | letter · ABC Supply letter · Gulfeagle Supply |
| Sep 21, 2026 | M&M Manufacturing | HVAC | Up to 6% price increase, effective September 21, 2026. |
Up to 6% | ACHR News |
| Sep 21, 2026 | M&M Manufacturing, Inc. | Roofing | product offerings | up to 6% | letter · ABC Supply |
| Sep 21, 2026 | Snappy | HVAC | Up to 6% price increase, effective September 21, 2026. |
Up to 6% | ACHR News |
| Sep 20, 2026 | NPC Colored Sealants | Roofing | Colored Sealants | 8-9% | letter · ABC Supply |
| Sep 18, 2026 | Angle | HVAC | 7% | Conklin Metal Industries | |
| Sep 17, 2026 | Malarkey | Roofing | Roofing Products | Surcharge $450 per truckload | letter · ABC Supply |
| Sep 16, 2026 | Tamlyn | Siding | 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 |
| Sep 15, 2026 | King Innovation | Pool | 2-8% | Heritage Pool Supply | |
| Sep 14, 2026 | GLI Pool Products | Pool | Inground Liners | 3% | Heritage Pool Supply |
| Sep 14, 2026 | Hayward Industries | Pool | 0.5-2.5% | Heritage Pool Supply | |
| Sep 14, 2026 | Latham Pool Products | Pool | Inground Liners | 3% | Heritage Pool Supply |
| Sep 14, 2026 | Midwest | HVAC | AIR | 2% | Conklin Metal Industries |
| Sep 14, 2026 | USG | Drywall & Interiors | Joint Treatment & Interior Finishing | see letter | letter · ABC Supply Interiors Universal Supply letter · Kamco Supply (New York) |
| Sep 14, 2026 | Zodiac Pool Systems | Pool | 0-3% | Heritage Pool Supply | |
| Sep 10, 2026 | Wolf | Windows & Doors | Bilco Doors and accessories has announced a price increase of approximately 5% on all Bilco Doors and accessories. We will adjust our prices effective with shipments on September 10, 2026. |
approximately 5% | Universal Supply |
| Sep 9, 2026 | Lennox CSS | Electrical | Canada pricing Effective September 9, 2026, Lennox CSS Canada is applying a 30% tariff to affected U.S.-origin products across its HVAC and Electrical brands that are subject to Canadian count… |
30% | letter · Bartle & Gibson (Canada) |
| Sep 8, 2026 | A. O. Smith | HVAC | Canada pricing A. O. Smith Canada will apply a 10% tariff pass-through increase effective September 8, 2026, to all new orders for commercial storage tanks. Residential and commercial water he… |
10% | letter · Bartle & Gibson (Canada) |
| Sep 7, 2026 | Metal Fab B-Vent | HVAC | 5% | Conklin Metal Industries | |
| Sep 7, 2026 | Quality Pipe Products | Plumbing & PVF | Price increase on A-106 seamless pipe nipples, effective September 7. |
see letter | Supply House Times / PM Magazine |
| Sep 4, 2026 | Bull Moose | Fire Protection | sprinkler pipe | min 5% | letter · Ferguson Fire & Fabrication |
| Sep 4, 2026 | Fayette Pipe | Fire Protection | Steel Pipe | $80/ton | letter · Ferguson Fire & Fabrication |
| Sep 4, 2026 | Mid-America | Siding | 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 4, 2026 | Viking SupplyNet | Fire Protection | Various products | 5% | letter · Viking Group |
| Sep 3, 2026 | Jones Stephens | HVAC | 5-15% price increase, varying by product group, effective September 3, 2026. |
5-15% | ACHR News Supply House Times / PM Magazine |
| Sep 3, 2026 | NTI | HVAC | 30% price increase on its oil and wood heating products, effective September 3. Product code 3260006-C380 c-w F20 Burner pkg. is excluded and will remain at current price levels. |
30% | Supply House Times / PM Magazine letter · Bartle & Gibson (Canada) |
| Sep 3, 2026 | Nucor | Fire Protection | Tubular Products | $80/ton, 5% | letter · Ferguson Fire & Fabrication |
| Sep 3, 2026 | Wheatland Tube | Fire Protection | Pipe products | $80/ton, 5% | letter · Ferguson Fire & Fabrication |
| Sep 1, 2026 | Amana PTAC | HVAC | 14.24% | Johnstone Supply (Muskegon Group) | |
| Sep 1, 2026 | American Tube and Pipe | Fencing | American Tube and Pipe will implement a price increase of 5%, effective September 1, 2026, on all products ... |
5% | letter · Convoy Supply (US) |
| Sep 1, 2026 | Ameristar | Fencing | Ameristar will implement a price increase effective September 1, 2026, on the following products ... |
see letter | letter · Convoy Supply (US) |
| Sep 1, 2026 | Amico | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Sep 1, 2026 | Amtrol | Plumbing & PVF | 3-7% increase on residential and non-residential products, effective September 1. |
3-7% | Supply House Times / PM Magazine letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | Arlington | Electrical | Canada pricing Arlington will implement a standard 8% price increase across its product line effective September 1, 2026. Some products may receive higher or lower adjustments. |
8% | letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | Bard | HVAC | Service Parts Price increase on service parts only, effective September 1, 2026. |
see letter | ACHR News |
| Sep 1, 2026 | ClarkDietrich | Drywall & Interiors | Steel-based products | see letter | letter · Negwer Materials letter · ABC Supply Interiors letter · Kamco Supply (New York) |
| Sep 1, 2026 | Cornerstone Building Brands | Siding | Vinyl Siding | 5% | letter · ABC Supply |
| Sep 1, 2026 | East Electrical Supply | Electrical | Canada pricing East Electrical Supply implemented a 5–7% price increase on all conduit products effective September 1, 2026. The adjustment reflects rising fuel, transportation, tariff and dut… |
5–7% | letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | Guardian | Plumbing & PVF | Average 6% increase on all products. |
Average 6% | Cooney Brothers |
| Sep 1, 2026 | Knauf | Insulation | Insulation | see letter | letter · ABC Supply Interiors |
| Sep 1, 2026 | Kunkle | Plumbing & PVF | General price increase on select products. |
4.3% | Cooney Brothers Supply House Times / PM Magazine |
| Sep 1, 2026 | Leviton | Electrical | Canada pricing Leviton will implement pricing adjustments effective September 1, 2026. Copper product groups, including copper cable, will increase 8%, while select fibre products, including a… |
see letter | letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | Liberty Pumps | Plumbing & PVF | Average 5% increase, effective September 1. |
Average 5% | Supply House Times / PM Magazine letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | MBA Building Supplies | Drywall & Interiors | see letter | letter · Negwer Materials | |
| Sep 1, 2026 | MarinoWare | Drywall & Interiors | see letter | letter · ABC Supply Interiors letter · Kamco Supply (New York) | |
| Sep 1, 2026 | NuCalgon | HVAC | 100% | Johnstone Supply (Muskegon Group) | |
| Sep 1, 2026 | OmegaFlex | HVAC | TracPipe 6% price increase on all TracPipe System products, effective September 1, 2026. |
6% | ACHR News Supply House Times / PM Magazine |
| Sep 1, 2026 | Stelpro | Plumbing & PVF | Canada pricing Stelpro will introduce a new price list with an average increase of 7%, effective September 1, 2026. The adjustment reflects continued pressure from labour, procurement, transpo… |
average increase of 7% | letter · Bartle & Gibson (Canada) |
| Sep 1, 2026 | Telling Industries | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Sep 1, 2026 | Wheatland Tube | Fencing | Wheatland Tube will implement a price increase of approximately 5%, effective September 1, 2026, on galvanized and colored products ... |
approximately 5% | letter · Convoy Supply (US) |