How popular isFosroc?
In September 2026, people searched for Fosroc by name about 140 times in New Zealand, about the same as the previous year. These searches made up 5.7% of all New Zealand waterproofing brand searches, placing Fosroc fifth out of six brands. When we asked both ChatGPT and Google AI Overviews about waterproofing brands, Fosroc did not appear in any of the answers.
Fosroc is the fifth most searched of 6 competitors and not listed in any AI answer.
ArdexShare of searches 29.5%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
MapeiShare of searches 24.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 3rd
NuraliteShare of searches 24.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
BostikShare of searches 16%Mentioned in 1 of 5 AI answersPlace in AI recommendations 5th
FosrocShare of searches 5.7%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
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Top waterproofing brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Fosroc 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.
Ardex4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sika4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mapei2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Nuralite2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bostik1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fosroc0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about waterproofing brands
5 answers
Asked ChatGPT
“Which waterproofing brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best waterproofing brands in New Zealand?”
Asked ChatGPT
“What's the best waterproofing brand in New Zealand for building and repair?”
Searched Google, AI Overview
“waterproofing nz”
Searched Google, AI Overview
“concrete waterproofing”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Which waterproofing brands compete with Fosroc?
Share of searches by month for Ardex, Mapei, Nuralite, Bostik, Fosroc. The figures are in the table below the chart.
View monthly share of searches table
| Month | Ardex | Mapei | Nuralite | Bostik | Fosroc | Sika |
|---|---|---|---|---|---|---|
| Oct 2025 | 28% | 23% | 28% | 15.2% | 5.4% | 0.39% |
| Nov 2025 | 29.3% | 19.5% | 29.3% | 15.9% | 5.7% | 0.41% |
| Dec 2025 | 28.2% | 22.9% | 22.9% | 18.8% | 6.5% | 0.59% |
| Jan 2026 | 31.1% | 20.5% | 25.3% | 16.8% | 5.8% | 0.53% |
| Feb 2026 | 29.9% | 24.5% | 24.5% | 16.2% | 4.6% | 0.41% |
| Mar 2026 | 35.3% | 19.3% | 23.7% | 15.7% | 5.6% | 0.4% |
| Apr 2026 | 33.5% | 22.3% | 22.3% | 14.9% | 6.5% | 0.47% |
| May 2026 | 29.8% | 19.8% | 24.4% | 19.8% | 5.8% | 0.41% |
| Jun 2026 | 28.5% | 23.3% | 23.3% | 19% | 5.5% | 0.4% |
| Jul 2026 | 30.1% | 20.1% | 24.7% | 20.1% | 4.6% | 0.42% |
| Aug 2026 | 25.4% | 20.7% | 25.4% | 20.7% | 7.3% | 0.43% |
| Sep 2026 | 29.5% | 24.2% | 24.2% | 16% | 5.7% | 0.41% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 29.5% | 720 | +22% | +4.1 points | |
| 2, moved from 4th to 2nd | 24.2% | 590 | +22.9% | +3.5 pointsmoved from 4th to 2nd | |
| 3, moved from 2nd to 3rd | 24.2% | 590 | 0% | -1.3 pointsmoved from 2nd to 3rd | |
| 4, moved from 3rd to 4th | 16% | 390 | -18.8% | -4.7 pointsmoved from 3rd to 4th | |
| 5, held 5th | 5.7% | 140 | -17.6% | -1.6 points | |
| 6, held 6th | 0.41% | 10 | 0% | 0 points |
1.
Ardex29.5%
Held 1st. 720 estimated branded searches, +22% vs prior month. Share +4.1 points.
2.
Mapei24.2%
Moved from 4th to 2nd. 590 estimated branded searches, +22.9% vs prior month. Share +3.5 points.
3.
Nuralite24.2%
Moved from 2nd to 3rd. 590 estimated branded searches, 0% vs prior month. Share -1.3 points.
4.
Bostik16%
Moved from 3rd to 4th. 390 estimated branded searches, -18.8% vs prior month. Share -4.7 points.
5.
Fosroc5.7%
Held 5th. 140 estimated branded searches, -17.6% vs prior month. Share -1.6 points.
6.
Sika0.41%
Held 6th. 10 estimated branded searches, 0% vs prior month. Share 0 points.
Compare popularity between Fosroc and its closest rivals
Every comparison with Fosroc
7 comparisons
How has branded search demand for Fosroc changed in New Zealand over the last 12 months?
2 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Fosroc in New Zealand held steady at 140.
- Across the 12 months ending September 2026, Fosroc’s share of searches among waterproofing brands in New Zealand peaked at 7.3% in August 2026 and was lowest at 4.6% in February 2026.
How did search popularity change for New Zealand waterproofing brands in September 2026?
5 changes

In September 2026, Mapei overtook Nuralite and Bostik to rank 2nd among waterproofing brands in New Zealand, with 24.2% of the searches.

In September 2026, Ardex gained share of searches among waterproofing brands in New Zealand, from 25.4% to 29.5%.

In September 2026, Bostik lost share of searches among waterproofing brands in New Zealand, from 20.7% to 16%.

In September 2026, Fosroc lost share of searches among waterproofing brands in New Zealand, from 7.3% to 5.7%.

In September 2026, Nuralite lost share of searches among waterproofing brands in New Zealand, from 25.4% to 24.2%.
How are Fosroc’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using Fosroc’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- fosroc
Do you work for Fosroc? To request corrections or removal please contact us via our support page and we will be happy to assist.
Where does Fosroc compete?
| Competitor set | Rank | Share of searches | Ranking |
|---|---|---|---|
| Construction chemical brands | 7th of 7 | 3.1% | Show ranking |
| Waterproofing brands | 5th of 6 | 5.7% | Shown above |

Is Fosroc your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.