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 We collect manufacturer price-increase announcements, freight/fuel surcharges and rescinded increases from distributor notice pages, manufacturer archives and the trade press, every day, so you can quote jobs before prices change.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 March 2026
| Effective | Brand | Trade | Products | Increase | Source |
|---|---|---|---|---|---|
| Mar 31, 2026 | DuPont | Drywall & Interiors | Styrofoam Insulation | see letter | letter · Negwer Materials letter · ABC Supply Interiors |
| Mar 31, 2026 | Kingspan | Roofing | Insulation products | 4-8% | letter · ABC Supply letter · ABC Supply Interiors letter · Performance Pro Supply |
| Mar 31, 2026 | Owens Corning – Foamular | Insulation | Insulation | see letter | letter · ABC Supply Interiors |
| Mar 31, 2026 | Proface | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 30, 2026 | Brecco | Fire Protection | Brass Nipples | 12% | letter · Core & Main Fire Protection |
| Mar 26, 2026 | Charlotte Pipe | Plumbing & PVF | – 10% increase on PVC & CPVC plastic pipe effective 3/26 |
10% | Supply House Times / PM Magazine |
| Mar 25, 2026 | National Nail | Roofing | Stinger EXO Underlayments National Nail - Stinger EXO Underlayment Price Increase - Effective March 25, 2026 |
8-12% | letter · ABC Supply letter · MAR Supply |
| Mar 23, 2026 | Atkore: All Lines | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 23, 2026 | Emerson: Appleton/OZ Gedney | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 23, 2026 | Merit Brass | Plumbing & PVF | An average 6-12% price increase on select brass nipples, fittings, and valve product lines. |
average 6-12% | letter · Cooney Brothers Supply House Times / PM Magazine |
| Mar 23, 2026 | SOLA HD | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 23, 2026 | Tamko | Roofing | Residential Roofing Products TAMKO - Bulletin Price Increase Residential Roofing New Construction Builder Multi Family - Effective March 23, 2026 |
4-5% | letter · ABC Supply letter · MAR Supply letter · Mueller Roofing Distributors Universal Supply |
| Mar 17, 2026 | Z-Flex | Plumbing & PVF | - 4% increase effective 3/17 |
4% | Supply House Times / PM Magazine |
| Mar 16, 2026 | Ameristar | Fencing | Ameristar will implement a price increase of 4%, effective February 28, 2026, on the following products ... |
4% | letter · Convoy Supply (US) |
| Mar 16, 2026 | Baldwin | Door Hardware | • Baldwin Reserve 10% price increase • Cabinet Hardware percent ranges from -49% - +72% |
10%, 49%, +72% | letter · Top Notch Distributors |
| Mar 16, 2026 | Fayette Pipe | Fire Protection | Steel Pipe | $60/ton | letter · Ferguson Fire & Fabrication |
| Mar 16, 2026 | Gibraltar | Roofing | Aluminum Steel Products Gibraltar - Price Increase Effective - March 16, 2026 |
5-15% | letter · ABC Supply letter · MAR Supply letter · Convoy Supply (US) |
| Mar 16, 2026 | Hammond Power | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 16, 2026 | Nucor | Fire Protection | Tubular Products | $60/Ton, 6% | letter · Ferguson Fire & Fabrication |
| Mar 16, 2026 | Telling Industries | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 16, 2026 | nVent Hoffman | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 15, 2026 | Allied Air | HVAC | Up to 7% increase, effective March 15 |
Up to 7% | ACHR News |
| Mar 15, 2026 | Allied Air Enterprises | HVAC | Allied Air announced a price increase of up to 7%, effective March 15, 2026. |
up to 7% | Paschal (citing ACHR/manufacturers) |
| Mar 15, 2026 | LSP | HVAC | 3% increase on all items except 5% on V series and 15% on Copper Stubouts, effective March 15 |
3%, 5%, 15% | ACHR News |
| Mar 15, 2026 | Socomec | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 15, 2026 | Southwestern Wire | Fencing | Southwestern Wire will implement a price increase of 2%-5%, effective March 1st, 2026, across multiple products... |
2%-5% | letter · Convoy Supply (US) |
| Mar 15, 2026 | Zebra Instruments | HVAC | Up to 12.2% increase, effective March 15 |
Up to 12.2% | ACHR News |
| Mar 15, 2026 | tekmar | HVAC | Average 2.6% increase with a few exceptions, effective March 15 |
Average 2.6% | ACHR News |
| Mar 13, 2026 | GAF | Roofing | aluminum products and 5% on steel and power products has announced a price increase of approximately 8% on aluminum products and 5% on steel and power products. We will adjust our prices effective with shipments on March 13, 2026. |
approximately 8%, 5% | Universal Supply |
| Mar 13, 2026 | Gaf Master Flow | Roofing | GAF Master Flow will implement a price increase, effective March 13, 2026, on the following products ... |
see letter | letter · Convoy Supply (US) |
| Mar 13, 2026 | Wheatland Tube | Fire Protection | Pipe products | $60/Ton, 6% | letter · Ferguson Fire & Fabrication |
| Mar 9, 2026 | Air King | HVAC | Up to 7% increase, effective March 9 |
Up to 7% | ACHR News |
| Mar 9, 2026 | EB Metal/Super Stud | Drywall & Interiors | Metal Framing, Studs & Tracks | a minimum of 10% | letter · ABC Supply Interiors |
| Mar 9, 2026 | Hager | Door Hardware | 4% |
4% | letter · Top Notch Distributors |
| Mar 9, 2026 | Leviton | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 9, 2026 | Southwire | HVAC | 2% increase, effective March 9 |
2% | ACHR News |
| Mar 9, 2026 | Styropek | Roofing | EPS products | $0.10/lb | letter · ABC Supply |
| Mar 8, 2026 | Gentek | Siding | 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 |
| Mar 6, 2026 | Mill Steel Framing | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 6, 2026 | RGF Environmental Group | HVAC | 8% increase, effective March 6 |
8% | ACHR News |
| Mar 6, 2026 | Steel-Con | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 4, 2026 | Lutze | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 4, 2026 | Phoenix Contact | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 3, 2026 | Flir Systems | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 3, 2026 | MarinoWare | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 3, 2026 | TE Connectivity | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 2, 2026 | Amana | HVAC | Up to 7% increase, effective March 2 |
Up to 7% | ACHR News |
| Mar 2, 2026 | Atkore- PVC Conduit | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 2, 2026 | Atkore- Steel Conduit | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 2, 2026 | Cemco | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 2, 2026 | CertainTeed | Siding | Aluminum Products | up to 5% | letter · ABC Supply |
| Mar 2, 2026 | Champion Cutting Tools | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 2, 2026 | ClarkDietrich | Drywall & Interiors | see letter | letter · Negwer Materials | |
| Mar 2, 2026 | Daikin | HVAC | Daikin announced a price increase of up to 7% on ductless, VRV, and light commercial products, effective March 2, 2026. |
up to 7% | Paschal (citing ACHR/manufacturers) ACHR News |
| Mar 2, 2026 | Daikin Minisplits | HVAC | 2% increase, effective March 2 |
2% | ACHR News |
| Mar 2, 2026 | Daikin OEM Parts | HVAC | Up to 7% increase, effective March 2 |
Up to 7% | ACHR News |
| Mar 2, 2026 | Dayus Register & Grille | HVAC | Average 5% increase, effective March 2 |
Average 5% | ACHR News |
| Mar 2, 2026 | Dormakaba | Door Hardware | • BEST Locks, Exits Closers, General Assembly – From a 7% Surcharge to a 10% list price increase • BEST Keys/Cores/Cylinders – From a 3.5% Surcharge to a 5.5% list price increas… |
Surcharge see letter | letter · Top Notch Distributors |
| Mar 2, 2026 | Goodman | HVAC | Goodman announced a price increase of up to 7% on equipment, effective March 2, 2026. Goodman/Daikin parts saw an 11% increase the same day. Goodman/Daikin equipment saw an addi… |
up to 7%, 11%, 3.5-5% | Paschal (citing ACHR/manufacturers) ACHR News |
| Mar 2, 2026 | Goodman/Daikin Equipment | HVAC | 3.5-5% increase, effective March 2 |
3.5-5% | ACHR News |
| Mar 2, 2026 | Goodman/Daikin Parts | HVAC | 11% increase, effective March 2 |
11% | ACHR News |
| Mar 2, 2026 | ICP (Heil/Tempstar) | HVAC | 4% increase on equipment, effective March 2 |
4% | ACHR News |
| Mar 2, 2026 | IDEC | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 2, 2026 | Karnak (REVISED) | Roofing | Due to recent import tariffs, the cost of both imported and domestic raw materials has increased. KARNAK will implement a price increase, effective March 2, 2026, on the followi… |
see letter | letter · Convoy Supply (US) |
| Mar 2, 2026 | Metal-Fab | HVAC | 4% increase on select product groups, effective March 2 |
4% | ACHR News |
| Mar 2, 2026 | Midwest Enterprises | Gutters | gutter protection products | 6%-10% | letter · ABC Supply |
| Mar 2, 2026 | National Gypsum | Drywall & Interiors | see letter | letter · Negwer Materials | |
| Mar 2, 2026 | Ram Steel Framing | Drywall & Interiors | Metal Framing, Studs & Tracks | up to 10% | letter · ABC Supply Interiors |
| Mar 2, 2026 | T & S | Plumbing & PVF | An average 2.5% price increase on all products. |
average 2.5% | Cooney Brothers |
| Mar 2, 2026 | Viessmann | HVAC | 3-5% increase, effective March 2 |
3-5% | ACHR News |
| Mar 1, 2026 | Amico | Drywall & Interiors | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Mar 1, 2026 | Bwf/teddico | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 1, 2026 | Empire Comfort Systems | HVAC | 4-8% increase, effective March 1 |
4-8% | ACHR News |
| Mar 1, 2026 | Erickson Electrical | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 1, 2026 | Erico-Bussbar/Eriflex | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 1, 2026 | Lomanco | Roofing | Aluminum products | 7% | letter · ABC Supply letter · Convoy Supply (US) Universal Supply |
| Mar 1, 2026 | Penn Union | Electrical | Price increase. |
see letter | Womack Electric Supply |
| Mar 1, 2026 | RGF Environmental Group, Inc. | HVAC | 10% increase on select IAQ products, effective March 1 |
10% | ACHR News |
| Mar 1, 2026 | Raytec Manufacturing | Gutters | Rain Gutters, Guards & Downspouts | see letter | letter · ABC Supply |
| Mar 1, 2026 | Talco Fire Systems | Fire Protection | Fire Pump Solutions | up to 5% | letter · Ferguson Fire & Fabrication |