Cost Analysis
Gain insights into price trends to empower precise decision-making.
Information Details
16
2026
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04
March 2026 Monthly Report (Polyurethane Rock Wool + Stainless Steel Gutter)
In March 2026, the markets for polyurethane black-and-white materials and stainless-steel gutters experienced volatile upward momentum, with average monthly prices rising by 2%–3% and 1.5%–2.5%, respectively, compared to February. Meanwhile, prices for rock wool and glass wool remained stable throughout the month. The peak spring construction season spurred a broad-based recovery in demand, with raw material costs serving as the primary driver of price increases, while overall market conditions remained steady.
(1) Core Conclusion
2026 year 3 The market for polyurethane black-and-white materials and stainless steel gutters experienced volatile upward movement, with the average monthly prices respectively compared to… 2 Monthly increase 2%-3% 、 1.5%-2.5% Rock wool and glass wool prices remained stable throughout the period; the peak spring construction season has spurred a broad-based recovery in demand, with raw material costs serving as the primary driver of price increases, resulting in overall market stability.
(2) 3 Monthly Average Quotation Details
Category | Specifications / Model number | Reference brand | North China monthly average price | Month-over-month change | Year-over-year change | Note |
Aggregation MDI (Sketchy info) | Drum-packed, industrial grade | Wanhua Chemical, BASF | 19600 Yuan / ton | +400 | +1200 | Core raw material for rigid foam production |
Polyether blend (white material) | For rigid foam spraying only | Wanhua Chemical, mainstream in China | 11100 Yuan / ton | +200 | +600 | Matching black material, 1:1 Foaming |
Basalt rock wool board | 100 kg/m³ ，50mm Thick | Rockwool, mainstream in China | 3190 Yuan / ton | 0 | +100 | For exterior wall insulation only, A Class non-combustible |
Basalt rock wool board | 140 kg/m³ ，50mm Thick | Rockwool, mainstream in China | 3790 Yuan / ton | 0 | +120 | High compressive strength, specially designed for roofing applications. |
Glass wool roll felt | 16 kg/m³ ，50mm Thick, with aluminum foil applied | Mainstream domestic brands | 2090 Yuan / ton | 0 | +80 | Steel-structure roof insulation and soundproofing |
Glass wool board | 48 kg/m³ ，50mm Thick | Mainstream domestic brands | 2590 Yuan / ton | 0 | +90 | Ductwork and wall insulation |
304 Stainless steel gutter | 2.0mm Thick, 300mm wide | Tai Steel, Jiu Steel | 183 Yuan / rice | +4 | +12 | Conventional factory floor drainage, corrosion-resistant |
201 Stainless steel gutter | 2.0mm Thick, 300mm wide | Mainstream domestic brands | 113 Yuan / rice | +3 | +8 | Low cost, suitable for ordinary environments. |
316L Stainless steel gutter | 2.0mm Thick, 300mm wide | Tai Steel, Jiu Steel | 262 Yuan / rice | +5 | +15 | High corrosion resistance, coastal / Suitable for chemical environments |
(3) Market Review
3 The monthly polyurethane black-and-white materials are presented as “ Stable at the beginning of the month, trending upward mid-month, and holding firm at month-end. ” Market trend: black-market prices rose across the month. 400 Yuan / Tons, white material prices rise 200 Yuan / tons, downstream demand for insulation projects is relatively… 2 Monthly improvement 30% , manufacturers’ order books are fully booked; rock wool and glass wool prices remained unchanged throughout the month, with demand relatively… 2 Monthly improvement 40% In summary, manufacturers are operating at full capacity with ample inventory; stainless steel gutters have risen in price throughout the month. 3-5 Yuan / Rice, increased demand for roofing drainage projects 30% , With manufacturers’ inventories at low levels, prices remain firm.
(IV) Analysis of Core Factors Affecting Prices
- Raw material side: benzene, aniline 3 Monthly cumulative increase 4%-6% , supporting the upward trend in black-and-white material prices; stainless steel coil prices have risen. 2%-3% , driving up the cost of gutters; basalt and glass bead prices remain stable, with no change in insulation material costs;
- Supply and Demand: During the spring construction peak season, demand for insulation and roof drainage surges, leading to tight supply of black-and-white roofing materials and stainless-steel gutters, while the insulation market remains in balance.
- Policy-wise: Building energy‑efficiency and fire‑safety policies are favorable to the thermal insulation materials sector, while the advancement of infrastructure projects is boosting demand for stainless steel gutters.
- Corporate News: Wanhua Chemical 3 Black-and-white raw material list prices have been raised twice this month, and stainless steel mill price adjustments have prompted gutter manufacturers to follow suit, while insulation producers have kept their prices unchanged.
(5) Future Market Outlook Forecast
- Short-term ( 4-5 Month): The peak construction season continues, with black-and-white materials and stainless-steel gutters maintaining a slight upward trend; monthly increase 1%-2% , rock wool and glass wool prices remained stable;
- Mid-term ( 6 Month): Construction demand has gradually declined, and the prices of all three product categories have entered a stable operating range.
(6) Procurement Suggestion
- Procurement: 4 Quarterly contract for black-and-white roofing materials and stainless steel gutters. / Monthly fixed-price agreement; insulation materials are replenished in batches as needed to maintain a safety stock.
- Quotation: The pricing for insulation and gutter projects is based on cost plus a markup. 2%-5% , ensuring profit margins while keeping insulation material pricing competitive in the market;
- Inventory: Black-and-white materials and stainless steel gutter stock 1-2 Months of safety stock; avoid indiscriminate overstocking of insulation materials to prevent inventory buildup.
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