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DuPont price increases

6 price-increase letters from DuPont (Insulation, Drywall & Interiors). Most recent effective date: Oct 26, 2026. Sourced from public distributor postings; links go to the original letter.

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EffectiveBrandTradeProductsIncreaseSource
Oct 26, 2026
next 30 days		 DuPont Insulation Insulation see letter letter · ABC Supply Interiors
Oct 22, 2026
next 30 days		 DuPont Insulation Insulation see letter letter · ABC Supply Interiors
Jun 27, 2026 DuPont Insulation Insulation 5% letter · ABC Supply Interiors
Jun 15, 2026 DuPont Insulation Insulation see letter letter · ABC Supply Interiors
May 28, 2026 DuPont Insulation Insulation 4% letter · ABC Supply Interiors
Mar 31, 2026 DuPont Drywall & Interiors Styrofoam Insulation see letter letter · Negwer Materials
letter · ABC Supply Interiors