1 insulation manufacturer has announced a price increase taking effect in December 2021, led by DuPont (7% to 10% depending on product, Dec 31, 2021).
Checked daily · last checked Nov 2, 2026.
Insulation Price Increases December 2021
Insulation price increases 2026
1 Insulation manufacturer price-increase letter from 1 brand taking effect in December 2021. Every row links to the original letter or posting.
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| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Dec 31, 2021 | DuPont | Convoy Supply (US) bulletin: Tyvek will implement a price increase, effective December 31, 2021, on the following products: All wraps and roofing - 10% All flashing - 7% All ord… | 10%, 7% | Original letter · Convoy Supply (US) |