James Hardie vs USG Sheetrock:Which is more popular?

Name: James Hardie vs USG Sheetrock: Which is searched more?
Creator: Brandwave
License: https://creativecommons.org/licenses/by/4.0/

In September 2026, James Hardie had more branded searches than USG Sheetrock among plasterboard brands worldwide. James Hardie had about 49,500 branded searches, while USG Sheetrock had 1,600. James Hardie made up 13.4% of all plasterboard brand searches we track, and USG Sheetrock accounted for 0.43%. When we asked ChatGPT and Google AI Overviews about plasterboard brands, USG Sheetrock appeared in three of the five answers and James Hardie in none.

Among plasterboard brands worldwide in September 2026

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Top plasterboard brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, USG Sheetrock was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. James Hardie did not appear in any of the five answers.

Most recommended by AI

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

Mentioned by AI

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

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
USG Sheetrock	Named in 3 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	3 of 5
Knauf Insulation	Named in 2 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	2 of 5
CSR	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5
James Hardie	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5
Boral	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5
GIB	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5

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”
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 James Hardie or USG Sheetrock more popular in search?

This chart shows how often people search Google for James Hardie and USG Sheetrock 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.

James Hardie and USG Sheetrock among plasterboard brands worldwide, by month

Month	CSR	James Hardie	Knauf Insulation	Boral	GIB	USG Sheetrock
Oct 2025	67.9%	13.7%	9.7%	7.5%	0.99%	0.29%
Nov 2025	69%	11.3%	9.8%	7.6%	1.9%	0.37%
Dec 2025	72.6%	8%	8.4%	8%	2%	1.1%
Jan 2026	70.2%	9.5%	10%	7.7%	1%	1.5%
Feb 2026	65.1%	13.1%	11.4%	8.8%	1.2%	0.5%
Mar 2026	67.8%	13.6%	9.7%	7.5%	0.99%	0.43%
Apr 2026	69.5%	11.4%	9.9%	7.6%	1%	0.44%
May 2026	66.6%	13.4%	9.6%	9%	0.97%	0.51%
Jun 2026	64.7%	15.9%	9.3%	8.7%	0.95%	0.42%
Jul 2026	66.6%	13.4%	9.6%	9%	0.97%	0.43%
Aug 2026	66.6%	13.4%	9.6%	9%	0.97%	0.43%
Sep 2026	66.7%	13.4%	9.5%	9%	0.98%	0.43%

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

3 findings

James Hardie was ahead of USG Sheetrock in every measured month of the 12 months ending September 2026.
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.
Across the 12 months ending September 2026, USG Sheetrock’s share of searches among plasterboard brands worldwide moved from 0.29% to 0.43%, and its estimated monthly branded searches moved from 1.3K to 1.6K.

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

2 changes

Estimated monthly branded searches for USG Sheetrock worldwide rose 23.1% over 12 measured months, from 1.3K to 1.6K in September 2026.
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 James Hardie’s and USG Sheetrock’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.