1 siding manufacturer has announced 2 price increases taking effect in July 2021, led by CertainTeed (Jul 1, 2021; no percentage).
Checked daily · last checked Nov 2, 2026.
Siding Price Increases July 2021
2 Siding manufacturer price-increase letters from 1 brand taking effect in July 2021. Every row links to the original letter or posting.
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| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Jul 5, 2021 | CertainTeed | CertainTeed letter posted by ABC Supply: Effective July 5, 2021, CertainTeed will be implementing a price increase as follows: Product Family Increase FlintBoard® insulation Up … | see letter | Original letter · ABC Supply |
| Jul 1, 2021 | CertainTeed | CertainTeed letter posted by ABC Supply: US Builder/Multi-Family/Large Job Quotes-Invoice Verification Roofing Products Price Adjustment: Effective July 1, 2021 Subsequent to ou… | see letter | Original letter · ABC Supply |