What's the Tariff on Glass (Flat)?
Flat glass from China, Mexico, Japan.
Current Tariff Rate
10%
Pre-2025 Rate
4%
Rate Increase
+6pp
Price Impact
+10%
+$20
Real-World Price Impact
Before Tariffs
$200
100 sq ft sheet glass
After Tariffs
$220
100 sq ft sheet glass
That's $20 more per unit — a 10% price increase paid by the American buyer.
Note: Price estimates assume full tariff pass-through to consumers. Actual retail prices may vary — manufacturers may absorb some costs, shift production, or adjust margins.
The Story Behind This Tariff
Flat glass occupies an overlooked but critical position in the construction and automotive supply chains. Every window in every building and vehicle requires flat glass, making it a fundamental industrial input with inelastic demand. China is the world's dominant flat glass producer, manufacturing 60% of global supply through massive float glass facilities that benefit from cheap energy and scale economics. The 10% Section 122 tariff (stacking on an existing 4% duty) primarily affects commercial construction and automotive sectors. Solar panel manufacturing is also impacted — photovoltaic modules require high-clarity flat glass covers, and the tariff increases costs for an industry the IRA simultaneously subsidizes. Mexico and Japan serve as secondary suppliers, but neither can match Chinese volume or pricing. Domestic producers like Guardian Glass and Vitro benefit from reduced import competition, but the concentrated nature of the industry (four companies control 80% of US flat glass) means savings may not reach consumers.
📦 Supply Chain
Primary Origin
China
Made in USA
70%
Import Volume
.8B
Alternatives
Mexico, Japan, domestic (Guardian, Vitro)
📅 Tariff Timeline
2014
AD/CVD duties on Chinese flat glass imposed
4-72%2019
Section 301 adds some glass products from China
Various2024
Solar glass demand surges with IRA manufacturing boom
4%2025-Feb
Section 122 adds 10% across all flat glass imports
10% (+existing)👥 Consumer Impact
Households Affected
8M
Annual Cost Per Household
5
💡 Did You Know?
- •China produces 60% of the world's flat glass — more than the next 10 countries combined
- •A single modern skyscraper requires 500,000+ square feet of flat glass, making commercial construction highly sensitive to glass prices
- •Solar panel production requires ultra-clear flat glass — the tariff creates tension with IRA clean energy manufacturing goals
Tariff Details
- HTS Code
- 7005.29
- Current Rate
- 10%
- Pre-2025 Rate
- 4%
- Tariff Type
- Section 122
Legal Authority
Section 122 (Balance of Payments)
Effective: April 2025
Baseline 10% tariff on imports to address balance of payments
The tariff on Glass (Flat) is paid by the American importer at the port of entry and passed through to consumers as higher retail prices. The foreign manufacturer does not pay the tariff.
Who Actually Pays This Tariff?
Despite claims that tariffs are paid by foreign countries, the 10% tariff on Glass (Flat) is paid by American importers — US companies that purchase these goods from abroad. The cost is then passed to American consumers through higher retail prices.
- ✓ The foreign seller receives the same price as before
- ✓ The US importer pays 10% of the customs value to CBP
- ✓ The retailer marks up the higher landed cost
- ✓ You pay more at the register: $200 → $220
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