Brandwave

CSR vs James Hardie:Which is more popular?

In September 2026, CSR had more branded searches than James Hardie among plasterboard brands worldwide. CSR had about 246,000 branded searches, while James Hardie had 49,500. CSR made up 66.7% of all plasterboard brand searches we track, and James Hardie accounted for 13.4%. When we asked ChatGPT and Google AI Overviews about plasterboard brands, neither CSR nor James Hardie appeared in any of the five answers.

Among plasterboard brands worldwide in September 2026

Who do people search for more?

CSR, about 5 searches for every 1 for James Hardie

CSR 246K searchesJames Hardie 49.5K searches

Who does AI mention more?

Both were mentioned in 0 of 5 answers.

CSR in 0 of 5James Hardie in 0 of 5

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Top plasterboard brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, neither CSR nor James Hardie showed up in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. USG Sheetrock1st
  2. Knauf Insulation2nd
  3. CSR–
  4. James Hardie–
  5. Boral–
  6. GIB–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • USG Sheetrock3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Knauf Insulation2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • CSR0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • James Hardie0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Boral0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • GIB0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about plasterboard brands

5 answers

  • Asked ChatGPT

    “Which plasterboard brand should I buy?”

    1. 1USG Sheetrock

  • Asked ChatGPT

    “What are the best plasterboard brands?”

    1. 1USG Sheetrock
    2. 2Knauf Insulation

  • Asked ChatGPT

    “What's the best plasterboard brand for wall lining projects?”

    1. 1USG Sheetrock
    2. 2Knauf Insulation

  • Searched Google, AI Overview

    “drywall sheet sizes”

    1. Searched Google, AI Overview

      “plasterboard for walls”

      Not named in any answer:

      Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

      Is CSR or James Hardie more popular in search?

      This chart shows how often people search Google for CSR and James Hardie by name. Each line represents a brand's share of searches for all six plasterboard brands we track, month by month, from English-language searches worldwide.

      CSR and James Hardie among plasterboard brands worldwide, by month

      Share of searches by month for CSR, James Hardie. The figures are in the table below the chart.

      View monthly share of searches table
      MonthCSRJames HardieKnauf InsulationBoralGIBUSG Sheetrock
      Oct 202567.9%13.7%9.7%7.5%0.99%0.29%
      Nov 202569%11.3%9.8%7.6%1.9%0.37%
      Dec 202572.6%8%8.4%8%2%1.1%
      Jan 202670.2%9.5%10%7.7%1%1.5%
      Feb 202665.1%13.1%11.4%8.8%1.2%0.5%
      Mar 202667.8%13.6%9.7%7.5%0.99%0.43%
      Apr 202669.5%11.4%9.9%7.6%1%0.44%
      May 202666.6%13.4%9.6%9%0.97%0.51%
      Jun 202664.7%15.9%9.3%8.7%0.95%0.42%
      Jul 202666.6%13.4%9.6%9%0.97%0.43%
      Aug 202666.6%13.4%9.6%9%0.97%0.43%
      Sep 202666.7%13.4%9.5%9%0.98%0.43%

      How has the CSR and James Hardie comparison changed over the last 12 months?

      3 findings
      • CSR was ahead of James Hardie in every measured month of the 12 months ending September 2026.
      • Across the 12 months ending September 2026, CSR’s share of searches among plasterboard brands worldwide moved from 67.9% to 66.7%, and its estimated monthly branded searches moved from 301K to 246K.
      • Across the 12 months ending September 2026, James Hardie’s share of searches among plasterboard brands worldwide moved from 13.7% to 13.4%, and its estimated monthly branded searches moved from 60.5K to 49.5K.

      How did search popularity change for plasterboard brands worldwide in September 2026?

      2 changes

      1. Estimated monthly branded searches for CSR worldwide fell 18.3% over 12 measured months, from 301K to 246K in September 2026.

      2. Estimated monthly branded searches for James Hardie worldwide fell 18.2% over 12 measured months, from 60.5K to 49.5K in September 2026.

      How are branded searches counted?

      2 search terms

      Brandwave collects information about searches that people make online using CSR’s and James Hardie’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

      CSR

      1 branded search term

      • csr

      James Hardie

      1 branded search term

      • james hardie

      How the Brand Demand Index is measured

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