Sourcing comparison · Roofing Materials
Tariff & fee savings only, assuming equal product cost — your actual landed cost also depends on price and freight, which vary by supplier.
| Annual import value | Estimated duty & fee savings / year |
|---|---|
| $50,000 | $17,144 |
| $250,000 | $85,719 |
| $1,000,000 | $342,875 |
Savings scale linearly with volume. Enter your exact figure to model it precisely.
Calculate your exact volume →If your roofing materials currently ships from China, the duty bill is worth a second look. The effective rate falls from 42.5% on China shipments to 10% on Taiwan shipments — close to $34,288 per $100,000 of imports each year. The duty line moves with paperwork, not production cost, which is why it rewards attention. Read on for the full stack comparison, the policy reasons behind the gap, and a scaling table for your own volume.
The gap is easiest to see by walking each origin's tariffs in turn. From China, the entry is assessed a 5% Most-Favoured-Nation base duty, a 25% Section 301 surcharge, and a 12.5% forced-labor Section 301 duty on its roofing materials, an effective 42.5% once the $49.74 in processing fees are added. A Taiwan origin attracts a 5% Most-Favoured-Nation base duty and a 5% forced-labor Section 301 duty on its roofing materials, an effective 10% once the $49.74 in processing fees are added. Section 301's 25% origin-specific charge is what separates the two origins; strip it out and the stacks would look far closer. The Merchandise Processing Fee and Harbor Maintenance Fee are charged on customs value, not origin, so they sit at $49.74 on either stack and never contribute to the gap. The per-shipment gap comes to $3,428.75 on $10,000 of goods — a clean read on the 32.5% rate difference. Multiply across your volume and it is near $8,572 for $25,000 and about $34,288 for $100,000 a year. At order level, $25,000 of goods carries roughly $8,572 more duty from China than from Taiwan.
Roofing Materials (HTS 6811, 6901, 7210) covers items such as Asphalt shingles, Metal roofing panels, Clay tiles, Concrete tiles, Roofing membrane, Underlayment, and Fascia panels. Because roofing materials moves in volume, even a modest per-unit duty gap aggregates into a number that decides sourcing strategy. USMCA-qualifying roofing from Canada or Mexico at 0%; steel-content roofing subject to S232 on steel inputs. From Asia-Pacific, China's top US-bound categories include consumer electronics, computers servers, and clothing garments. Absent a trade deal, China's roofing materials is assessed standard duties and whatever surcharges apply. A Asia-Pacific supplier, Taiwan concentrates its US exports in semiconductors chips, computers servers, and consumer electronics. Taiwan trades under a negotiated bilateral rate that applies alongside the base and Section 232/301 layers, with Section 122 at 0% since its 2026-07-24 lapse — reshaping how its roofing materials stack is built. With both origins in Asia-Pacific, freight lanes and transit times are broadly similar, so duty is the cleanest variable to compare. For a buyer committed to China, Taiwan is a concrete diversification target whose tariff math is settled and whose remaining diligence is commercial. Because surcharges have stacked rates well above their statutory base, country of origin has become a first-order cost driver for roofing materials rather than a footnote.
For $100,000 a year of roofing materials, the move from China to Taiwan is worth about $34,288, scaling to $17,144 at $50,000, $85,719 at $250,000, and $342,875 at $1,000,000. The numbers come straight from the landed-cost engine, with product cost and shipping fixed across both origins to isolate the tariff difference. These figures reflect tariff and fee savings only, assuming equal product cost — your actual landed cost also depends on price and freight, which vary by supplier. Treat the annual saving as the ceiling on switching cost: as long as moving to Taiwan costs less than that, the change is accretive. Request parallel quotes from your China incumbent and a vetted Taiwan source, then compare landed cost with the duty gap held constant. Time the switch with the policy calendar in mind — the post-Section-122 picture can favour a different origin entirely. Run your own volume — and a post-Section-122 view — through the interactive Tariff Savings Finder.
At $100,000 of annual import value, switching from China to Taiwan saves an estimated $34,288 in duties and fees, because the effective tariff rate falls from 42.5% to 10%. The saving scales linearly with volume. These figures reflect tariff and fee savings only, assuming equal product cost — your actual landed cost also depends on price and freight, which vary by supplier.
Taiwan-origin roofing materials is assessed a 5% Most-Favoured-Nation base duty and a 5% forced-labor Section 301 duty, for an effective 10% duty rate before the Merchandise Processing Fee ($36.55) and Harbor Maintenance Fee ($13.19).
China carries an effective 42.5% rate versus 10% for Taiwan. The gap is driven mainly by the 25% Section 301 surcharge that applies to Chinese-origin goods and stacks on top of every other layer.
Tariff rates from Tax Foundation, USITC, and Penn Wharton Budget Model; retaliatory and industry data from the ITA Foreign Retaliations Database and U.S. Census Bureau (NAICS). Last verified .
