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Westlake Royal Building Products Foundry Specialty Siding price increases

1 price-increase letter from Westlake Royal Building Products Foundry Specialty Siding (Siding). Most recent effective date: Aug 24, 2026. Sourced from public distributor postings; links go to the original letter.

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EffectiveBrandTradeProductsIncreaseSource
Aug 24, 2026 Westlake Royal Building Products Foundry Specialty Siding Siding Specialty Siding 5%–7% letter · ABC Supply