Home › Price increase letters

Manufacturer Price Increase Letters & Notices

Real price increase letters and announcements from 1018 building-product manufacturers: 1903 notices covering price increases, fuel and freight surcharges, decreases and rescinded increases. Below: what a notice contains, recent dated examples across trades, and links to every trade and brand.

1903letters on file
1018brands
17trades
6%median stated increase (2026)

What a price increase notice usually contains

Typical structure (template)

[Manufacturer letterhead]   [Date of letter]
Subject: Price increase effective [effective date]

To our valued customers,
[Reason, e.g. raw material, freight or tariff costs].
Effective [date], [Manufacturer] will increase prices on [product lines] by [X% / up to X% / $Y per truckload].
[Order terms: e.g. orders received or shipped before the effective date are invoiced at current pricing.]
Please contact your [Manufacturer] sales representative with any questions.

This is the common shape of the letters in the database, not any one manufacturer's letter. See the real examples below.

Recent real examples

The newest dated letter for each of the largest trades, plus one surcharge, decrease, revised and rescinded notice. Taken directly from the database.

Price increase Electrical
Lennox CSS: 30%
Effective: Sep 9, 2026 · Products: 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 counter-tariffs. Existing or”

Price increase HVAC
Ductmate: 9%
Effective: Nov 1, 2026 · Products: Steel Items
Price increase Roofing
Cody Company, LLC: 7%
Effective: Nov 9, 2026 · Products: all products
Price increase Drywall & Interiors
Balco: 2.5% and 6%
Effective: Nov 15, 2026 · Products: Tools & Accessories
Price increase Plumbing & PVF
NTI: 3-8%
Effective: Oct 19, 2026 · Products: Canada pricing

“NTI will implement a 3-8% price increase effective October 19, 2026. The adjustment is attributed to inflation and government-imposed tariffs affecting product costs.”

Price increase Fire Protection
Brecco: 11%
Effective: Oct 5, 2026 · Products: Brass Fittings
Price increase Siding
Norandex: 4%
Effective: Oct 2, 2026 · Products: Home Accents siding
Price increase Insulation
Owens Corning Insulation: 5%
Effective: Nov 16, 2026 · Products: FOAMULAR NGX extruded polystyrene foam board

“5% price increase on FOAMULAR NGX extruded polystyrene foam board products, effective November 16, 2026.”

Fuel surcharge Roofing
Owens Corning: $300 → $350 per truckload surcharge
Effective: Oct 19, 2026 · Products: Residential

“Transportation Surcharge Increase”

Freight surcharge Insulation
DuPont: $720 surcharge
Effective: Oct 22, 2026 · Products: Styrofoam brand insulation (US)
Price decrease Plumbing & PVF
Emerson: decrease 0.5%
Effective: Aug 18, 2025

“* REDUCTION * 0.5% weighted tariff-related total price reduction.”

Rescinded increase Plumbing & PVF
Bradley: rescinded
Effective: Jun 11, 2025 · Products: Canada pricing

“Bradley has decided to rescind the previously communicated June 11, 2025 price increase.”

Revised increase Plumbing & PVF
Oatey: 3-7.5%
Effective: Mar 31, 2025

“3-7.5% tariff-related increase on Oils, Lubricants & Cleaners and Test Equipment as well as Drain Flushers & Accessories.”

Other price change Fire Protection
ASC Engineered Solutions: less than 1%
Effective: Apr 13, 2026 · Products: Anvil Pipe Hanger

“Price rationalization: list prices re-set, not intended as an overall increase (letter cites under 1% +/- overall).”

Frequently asked questions

What is a price increase letter?

A notice a manufacturer sends to distributors and contractors announcing that list prices, multipliers or surcharges will change on a set date. PriceLetter has 1903 of them from 1018 building-product brands, each linked to the original letter or posting.

What does a price increase notice include?

Usually the products affected, the size of the change (a percentage, a range like "3-5%", or a dollar surcharge per truckload or shipment), and the effective date. In our data, 97% of letters give an effective date and 54% state a percentage; 21 surcharge notices state a dollar amount.

How big are manufacturer price increases in 2026?

Across the 737 letters effective in 2026 that state a percentage, the median is 6% and the middle half fall between 5% and 8%.

When do price increases usually take effect?

36% of dated letters on file take effect on the 1st of a month. The charts page shows how many take effect each month.

Price increase letters by trade

Brands with the most letters

All 1018 brands →