Home › Upcoming price increases › May 2026
Price Increases May 2026: Manufacturer Letters by Trade
157 manufacturer price-increase letters from 145 brands take effect in May 2026, grouped by trade. Every row links to the original letter.
157letters
145brands
15trades
6.5%median stated increase
By trade: Roofing Material (35) · HVAC Equipment (32) · Drywall (15) · Electrical Supply (14) · Pool Supply (13) · Siding (12) · Insulation (8) · Window & Door (8) · Fire Sprinkler & Fire Protection (7) · Plumbing Supply (6) · Door Hardware (2) · Water Heater (2) · Decking & Railing (1) · Gutter (1) · Stucco (1)
Roofing Material (35) Roofing May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Alco Products | underlayment products Underlayment Products |
5% - 9% | letter · Gulfeagle Supply |
| May 1, 2026 | American Construction Materials | aluminum and copper goods | 6-12% | letter · ABC Supply |
| May 1, 2026 | American Construction Metals | aluminum copper goods | 6-12% | letter · ABC Supply |
| May 1, 2026 | Atlas | Polyiso Insulation Atlas - ACFoam Polyiso Roof Insulation Price Increase Announcement - Effective May 1, 2026 |
up to 6% | letter · ABC Supply letter · MAR Supply letter · Convoy Supply (US) letter · Gulfeagle Supply |
| May 1, 2026 | Continental Materials, Inc. | Synthetic Underlayments | 7-12% | letter · ABC Supply |
| May 1, 2026 | Delaware Asphalt Products | Freight Surcharge | Surcharge $400–$810 | letter · ABC Supply |
| May 1, 2026 | East Coast Metals | Specialty Metal Products Aluminum and Copper Price Increase |
10%–12% | letter · Gulfeagle Supply |
| May 1, 2026 | GAF | Residential Roofing Products; Commercial products; Roof & Wall Coatings; Roof Wall Coatings; Commercial Polyiso Products; Commercial roofing GAF - Coatings Freight Surcharge Increase - Effective May 1, 2026 |
5-10%; 3-8%; 3-5% | letter · ABC Supply letter · ABC Supply letter · ABC Supply letter · ABC Supply letter · ABC Supply letter · MAR Supply letter · MAR Supply letter · MAR Supply letter · Mueller Roofing Distributors letter · Gulfeagle Supply |
| May 1, 2026 | MFM | All product lines | 5-7% | letter · ABC Supply letter · Gulfeagle Supply |
| May 1, 2026 | OX Engineered Products | Roofing products; Thermo-Ply products | 4-8%; 4% | letter · ABC Supply letter · ABC Supply |
| May 1, 2026 | PABCO Roofing Products | Shingle products | up to 8% | letter · ABC Supply |
| May 4, 2026 | Bitumar | Low Slope Roofing | see letter | letter · ABC Supply |
| May 4, 2026 | CertainTeed | 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 | Continental Materials, Inc. | Roofing Asphalt | 5-10% | letter · ABC Supply |
| May 4, 2026 | Duraflo | Duraflo products May Price Increase |
6-10% | letter · Gulfeagle Supply |
| May 4, 2026 | Gaco | GacoFlex products | up to 10% | letter · ABC Supply |
| May 4, 2026 | Karnak | liquid products fabrics | 5.0%-8.0% | letter · ABC Supply letter · Convoy Supply (US) |
| May 4, 2026 | National Gypsum | Roof Boards | see letter | letter · ABC Supply |
| May 4, 2026 | Tarco | Roofing underlayments | 5-10% | letter · ABC Supply Universal Supply |
| May 11, 2026 | Englert | Steel Products | 4% | letter · ABC Supply |
| May 11, 2026 | Owens Corning | Synthetic Underlayment | 5-9% | letter · ABC Supply |
| May 11, 2026 | Quarrix | Building Products May Price Increase |
3% - 8% | letter · Gulfeagle Supply |
| May 11, 2026 | SOPREMA | SOPREMA will implement a price increase, effective May 11, 2026, on the following products ... | see letter | letter · Convoy Supply (US) |
| May 15, 2026 | GAF | Streetbond products | Surcharge $450 | letter · ABC Supply |
| May 16, 2026 | Westlake Kleer | Kleer products | 6-9% | letter · ABC Supply |
| May 18, 2026 | Atlas | 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 Roofscapes | Roofing products DaVinci® Roofscapes Price Increase - Effective May 18, 2026 |
3-8% | letter · MAR Supply Universal Supply |
| May 18, 2026 | Malarkey | 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 | Newpoint | Concrete Products Arizona Price Increase |
5–7% | letter · Gulfeagle Supply letter · Gulfeagle Supply letter · Gulfeagle Supply |
| May 18, 2026 | Westlake DaVinci | 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 | Concrete products | 5-7% | letter · ABC Supply |
| May 18, 2026 | Westlake Royal Roofing Solutions | Concrete products Westlake Royal Roofing Solutions Price Increase - Effective April 1, 2026 |
5-7% | letter · MAR Supply letter · Gulfeagle Supply letter · Gulfeagle Supply |
| May 22, 2026 | Babcock-Davis | aluminum roof hatches Babcock Davis - Rooftop Price Increase Announcement 2026 |
5% | letter · MAR Supply |
| May 25, 2026 | DuPont Tyvek | Building Envelope | 3-15% | letter · ABC Supply |
| May 26, 2026 | Miramac Metals | 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) |
HVAC Equipment (32) HVAC May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Carlisle HVAC Brands | 3-5% on all items, effective May 1. | 3-5% | ACHR News |
| May 1, 2026 | Cycan | 8% | Conklin Metal Industries | |
| May 1, 2026 | Glasfloss | 2-4%, effective May 1. | 2-4% | ACHR News |
| May 1, 2026 | Hardcast | 3% – 37.5% | Conklin Metal Industries | |
| May 1, 2026 | Ideal Products | 15% / 25% | Conklin Metal Industries | |
| May 1, 2026 | Little Giant | 2%, effective May 1. | 2% | ACHR News Johnstone Supply (Muskegon Group) Supply House Times / PM Magazine |
| May 1, 2026 | OmegaFlex | 6% on fitting products, effective May 1. | 6% | ACHR News |
| May 1, 2026 | Parker Hannifin | Parker Aftermarket Average weighted increase of 3.75%, excluding ZoomLock products, effective May 1. |
Average weighted increase of 3.75% | ACHR News |
| May 1, 2026 | Polymer Adhesive | 5% – 7% | Conklin Metal Industries | |
| May 1, 2026 | Reflective Products | 3.5% | Conklin Metal Industries | |
| May 1, 2026 | Reflectix | Up to 12%, effective May 1. | Up to 12% | ACHR News |
| May 1, 2026 | Slant/Fin Baseboard | 5%, effective May 1. | 5% | ACHR News |
| May 1, 2026 | Sporlan | 4%, effective May 1. | 4% | ACHR News Johnstone Supply (Muskegon Group) Supply House Times / PM Magazine |
| May 1, 2026 | Systemair | Fantech Average increase of 3.5-5% by product group, effective May 1. |
Average increase of 3.5-5% | ACHR News |
| May 2, 2026 | Honeywell Commercial | Price increase, effective May 2. | see letter | ACHR News |
| May 4, 2026 | DirectedAir | 5-14% on select product categories, effective May 4. | 5-14% | ACHR News |
| May 6, 2026 | Nu-Calgon | 15% increase on specific glycol products only, effective May 6. | 15% | ACHR News Johnstone Supply (Muskegon Group) |
| May 7, 2026 | Shurtape Technologies | 3.5-10% by product category, effective May 7. | 3.5-10% | ACHR News Conklin Metal Industries |
| May 11, 2026 | Heat Controller | TBD, effective May 11. | see letter | ACHR News |
| May 11, 2026 | Vybond | 4% increase on all HVACR Nashua and Polyken tape products, effective May 11. | 4% | ACHR News |
| May 11, 2026 | Williams | 6% on Cozy and Williams residential heating products, effective May 11. | 6% | ACHR News |
| May 13, 2026 | Copper | see letter | Johnstone Supply (Muskegon Group) | |
| May 15, 2026 | ICP Parts | 10%; 16% | Johnstone Supply (Muskegon Group) Supply House Times / PM Magazine | |
| May 18, 2026 | Aervoe | 4% | Conklin Metal Industries | |
| May 18, 2026 | Legend Valve | 5-10% on most products, effective May 18. | 5-10% | ACHR News letter · Cooney Brothers Supply House Times / PM Magazine |
| May 22, 2026 | Panasonic | Ventilation fans | see letter | Johnstone Supply (Muskegon Group) |
| May 25, 2026 | Robertshaw | Price increase, effective May 25. | see letter | ACHR News Supply House Times / PM Magazine |
| May 25, 2026 | Uniweld | Approximately 3% on all items, effective May 25. | Approximately 3% | ACHR News |
| May 25, 2026 | WaterFurnace | 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 29, 2026 | Systemair | 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 30, 2026 | Honeywell Commercial | 5% | Johnstone Supply (Muskegon Group) | |
| May 31, 2026 | ICP Parts | 15% | Johnstone Supply (Muskegon Group) |
Drywall (15) Drywall & Interiors May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Cendrex | Tools & Accessories | 15% price adjustment | letter · ABC Supply Interiors |
| May 1, 2026 | Valto | Fiberglass Reinforced Panels (FRP) | see letter | letter · ABC Supply Interiors |
| May 4, 2026 | Cemco | see letter | letter · Negwer Materials letter · ABC Supply Interiors | |
| May 4, 2026 | CertainTeed Gypsum | approximately 20%, 30% | letter · Negwer Materials Universal Supply | |
| May 4, 2026 | ClarkDietrich | Metal Framing, Studs & Tracks | 10% | letter · ABC Supply Interiors |
| May 4, 2026 | EB Metal/Super Stud | Metal Framing, Studs & Tracks | a minimum of 10% | letter · ABC Supply Interiors |
| May 4, 2026 | ECHOtape | Tools & Accessories | see letter | letter · ABC Supply Interiors |
| May 4, 2026 | Ram Steel Framing | Metal Framing, Studs & Tracks | 10% | letter · ABC Supply Interiors |
| May 11, 2026 | Georgia-Pacific | 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 | Stabilit | Fiberglass Reinforced Panels (FRP) | 5% | letter · ABC Supply Interiors |
| May 11, 2026 | USG | wallboard products | see letter | letter · Negwer Materials letter · ABC Supply Interiors |
| May 15, 2026 | Amico | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 15, 2026 | Babcock-Davis | Tools & Accessories | 5% price increase | letter · ABC Supply Interiors |
| May 20, 2026 | Amico – Exteriors Lath and Vinyl Beads | Exterior Walls | see letter | letter · ABC Supply Interiors |
| May 25, 2026 | Grabber | Tools & Accessories | 6%, 8%, 5%, 10%, 4% | letter · ABC Supply Interiors |
Electrical Supply (14) Electrical May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | 3M | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | BWF/Teddico | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | Fluke | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | Neptco | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | Phoenix Contact | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | Quazite | Price increase. | see letter | Womack Electric Supply |
| May 1, 2026 | Wago | Price increase. | see letter | Womack Electric Supply |
| May 4, 2026 | Hammond Manufacturing | Price increase. | see letter | Womack Electric Supply |
| May 4, 2026 | Ideal Industries | Price increase. | see letter | Womack Electric Supply |
| May 4, 2026 | King Electric Manufacturing | Price increase. | see letter | Womack Electric Supply |
| May 4, 2026 | Oldcastle | Price increase. | see letter | Womack Electric Supply |
| May 4, 2026 | Shurtape Technologies | Price increase. | see letter | Womack Electric Supply |
| May 13, 2026 | Cablofil | Price increase. | see letter | Womack Electric Supply |
| May 15, 2026 | Atkore – PVC Conduit | Price increase. | see letter | Womack Electric Supply |
Pool Supply (13) Pool May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Ardex | Fuel Surcharge Fuel Surcharge |
2% | Heritage Pool Supply |
| May 1, 2026 | IPEX USA | Sewer Fittings | 10% | Heritage Pool Supply |
| May 1, 2026 | Pentair Water Pool & Spa | IntelliChlor/IntelliCenter | 9.4% | Heritage Pool Supply |
| May 1, 2026 | Westlake Pipe & Fittings | Other | 8-10% | Heritage Pool Supply |
| May 4, 2026 | Cardinal Systems | Aluminum | 10% | Heritage Pool Supply |
| May 4, 2026 | Daltile | 5% | Heritage Pool Supply | |
| May 5, 2026 | Oldcastle Infrastructure | 6-8% | Heritage Pool Supply | |
| May 11, 2026 | Consolidated MFG Intl | Copper | 15% | Heritage Pool Supply |
| May 11, 2026 | IPS | Cements, Primers, Accessories | 5-9% | Heritage Pool Supply |
| May 11, 2026 | KIK International | Limited by Region | 7% | Heritage Pool Supply |
| May 15, 2026 | Hayward Industries | Fuel Surcharge Fuel Surcharge |
3% | Heritage Pool Supply |
| May 15, 2026 | Paramount Pool & Spa | Fuel Surcharge Fuel Surcharge |
3% | Heritage Pool Supply |
| May 23, 2026 | Haviland Consumer Products | 5% | Heritage Pool Supply |
Siding (12) Siding May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Associated Materials Innovations | Vinyl siding products | 4-5% | letter · ABC Supply |
| May 1, 2026 | CertainTeed Siding | has announced a price increase of approximately 6% on CertainTeed Vinyl, Soffit and accessories, Cedar Impressions, and Rise Composite Cladding. We will adjust our prices effect… | approximately 6% | Universal Supply |
| May 1, 2026 | Mastic | vinyl siding, soffit, and accessories has announced a price increase of approximately 6% on vinyl siding, soffit, and accessories. We will adjust our prices effective with shipments on May 1, 2026. |
approximately 6% | Universal Supply |
| May 1, 2026 | Ply Gem | Aluminum products | 15% | letter · ABC Supply |
| May 8, 2026 | Atlantic Premium Shutters | 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 10, 2026 | Cornerstone Building Brands | Vinyl Siding | up to 6% | letter · ABC Supply |
| May 15, 2026 | Kaycan | Aluminum products | 15% | letter · ABC Supply |
| May 15, 2026 | PolyMolding | 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 17, 2026 | Mid-America | 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 18, 2026 | Progressive Foam | 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 25, 2026 | Norandex | Insulating products | 4-8% | letter · ABC Supply |
| May 25, 2026 | Parksite | 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 |
Insulation (8) Insulation May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Johns Manville | Insulation | 6% | letter · ABC Supply Interiors letter · Performance Pro Supply |
| May 1, 2026 | Sika | Insulation | 6% | letter · ABC Supply Interiors |
| May 11, 2026 | Kingspan | Insulation | see letter | letter · ABC Supply Interiors |
| May 15, 2026 | Johns Manville | Johns Manville Corbond® Spray Foam | 15% | letter · Performance Pro Supply |
| May 15, 2026 | NCFI | NCFI Spray Foam Systems | 12% | letter · Performance Pro Supply |
| May 22, 2026 | Johns Manville | Insulation | 5%-10% | letter · ABC Supply Interiors |
| May 25, 2026 | Kingspan | Insulation | 4%-8% | letter · ABC Supply Interiors letter · Performance Pro Supply |
| May 28, 2026 | DuPont | Insulation | 4% | letter · ABC Supply Interiors |
Window & Door (8) Windows & Doors May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 4, 2026 | ES Windows LLC | Windows and doors | 7% | letter · ABC Supply |
| May 4, 2026 | MI Windows and Doors | products except the 1650 and 1556 double hung lines has announced a price increase of approximately 5% on all products except the 1650 and 1556 double hung lines. We will adjust our prices effective with shipments on May 4, 2026. |
approximately 5% | Universal Supply |
| May 4, 2026 | Miter | Windows and Doors | 5%-9% | letter · ABC Supply |
| 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 | Viwinco | 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 19, 2026 | MI Windows and 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 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 29, 2026 | Alegion | 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 |
Fire Sprinkler & Fire Protection (7) Fire Protection May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 4, 2026 | Den Hartog | All products | 8% | letter · Ferguson Fire & Fabrication |
| May 8, 2026 | Viking SupplyNet | Shurjoint Grooved Products | 0 - 12% | letter · Viking Group |
| May 8, 2026 | Wheatland Tube | Pipe Products | $60/Ton, 5% | letter · Ferguson Fire & Fabrication |
| May 13, 2026 | Bull Moose | sprinkler pipe | min 5% | letter · Ferguson Fire & Fabrication |
| May 15, 2026 | Fayette Pipe | Steel Pipe | $60/ton | letter · Ferguson Fire & Fabrication |
| May 15, 2026 | Nucor | Steel Pipe | $60/ton, 5% | letter · Ferguson Fire & Fabrication |
| May 18, 2026 | ITW Commercial Construction | Various products | 1.5% to 9.5% | letter · Core & Main Fire Protection |
Plumbing Supply (6) Plumbing & PVF May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Slant/Fin | Canada pricing Slant/Fin will implement a 5% price increase on all Residential Baseboard and Commercial Products, including accessories, effective May 1, 2026. The notice also includes updates… |
5% | letter · Bartle & Gibson (Canada) |
| May 1, 2026 | TracPipe | 6% increase on OmegaFlex fitting products, effective May 1 | 6% | Supply House Times / PM Magazine |
| May 1, 2026 | Westlake | Brownsville Fittings division implementing an 8% list and net price increase on select product categories, including large diameter fittings, Schedule 40 and 80, CPVC, HVAC and … | 8%, 10% | Supply House Times / PM Magazine |
| May 1, 2026 | ZSI-Foster/Wesanco | 10% / 12% | Conklin Metal Industries | |
| May 7, 2026 | Apollo | 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 11, 2026 | Stanley Black & Decker | 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) |
Door Hardware (2) Door Hardware May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2026 | Select Hinges | Contact your Top Notch sales representative for details. | see letter | letter · Top Notch Distributors |
| May 29, 2026 | Allegion | 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 |
Water Heater (2) Water Heaters May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 17, 2026 | Navien | Price increase, effective May 17. | see letter | ACHR News |
| May 18, 2026 | A. O. Smith | 7%, effective May 18. | 7% | ACHR News Johnstone Supply (Muskegon Group) |
Decking & Railing (1) Decking & Railing May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 28, 2026 | James Hardie | Decking and Exteriors | 4-14% | letter · ABC Supply |
Gutter (1) Gutters May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 26, 2026 | MS Metal Sales | Steel products | 6-9% | letter · ABC Supply |
Stucco (1) Stucco May 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 18, 2026 | Westlake Stone Solutions | Stone Solutions | 5-7% | letter · ABC Supply |
Frequently asked questions
Which manufacturers are raising prices in May 2026?
157 letters from 145 brands across 15 trades take effect in May 2026, including 2 surcharges. The first: 3M (May 1, 2026); Alco Products (May 1, 2026, 5% - 9%); American Construction Materials (May 1, 2026, 6-12%).
How big are the May 2026 price increases?
121 letters state a percentage: the median is 6.5% and the middle half fall between 5% and 9% (ranges counted at their midpoint).
Which trades have the most May 2026 increases?
Roofing Material (35), HVAC Equipment (32), Drywall (15), Electrical Supply (14), Pool Supply (13).
Can I get these dates in my calendar?
Yes: subscribe to the all-letters calendar feed. Each letter is an all-day event on its effective date. 31% of the May 2026 letters take effect on the 1st.