Brandwave

How popular isBostik?

In September 2026, people searched for Bostik by name about 390 times in New Zealand, about the same as the previous year. These searches made up 16% of all New Zealand waterproofing brand searches, placing Bostik fourth out of six brands. When we asked both ChatGPT and Google AI Overviews about waterproofing brands, Bostik appeared in one of the five answers and was the fifth most recommended of the six.

Search and AI answers in September 2026

Bostik is the fourth most searched of 6 competitors and the fifth most recommended in AI answers.

  1. ArdexShare of searches 29.5%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  2. MapeiShare of searches 24.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 3rd
  3. NuraliteShare of searches 24.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
  4. BostikShare of searches 16%Mentioned in 1 of 5 AI answersPlace in AI recommendations 5th
  5. 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, Bostik was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Bostik is the fifth most recommended of the six.

Most recommended by AI

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

  1. Ardex1st
  2. Sika2nd
  3. Mapei3rd
  4. Nuralite4th
  5. Bostik5th
  6. Fosroc–

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?”

    1. 1Ardex
    2. 2Sika
    3. 3Mapei

  • Asked ChatGPT

    “What are the best waterproofing brands in New Zealand?”

    1. 1Ardex
    2. 2Sika
    3. 3Nuralite
    4. 4Bostik

  • Asked ChatGPT

    “What's the best waterproofing brand in New Zealand for building and repair?”

    1. 1Ardex
    2. 2Sika
    3. 3Mapei
    4. 4Nuralite

  • Searched Google, AI Overview

    “waterproofing nz”

    1. Searched Google, AI Overview

      “concrete waterproofing”

      1. 1Ardex
      2. 2Sika

    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 Bostik?

    Bostik against waterproofing brands in New Zealand, by month

    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
    MonthArdexMapeiNuraliteBostikFosrocSika
    Oct 202528%23%28%15.2%5.4%0.39%
    Nov 202529.3%19.5%29.3%15.9%5.7%0.41%
    Dec 202528.2%22.9%22.9%18.8%6.5%0.59%
    Jan 202631.1%20.5%25.3%16.8%5.8%0.53%
    Feb 202629.9%24.5%24.5%16.2%4.6%0.41%
    Mar 202635.3%19.3%23.7%15.7%5.6%0.4%
    Apr 202633.5%22.3%22.3%14.9%6.5%0.47%
    May 202629.8%19.8%24.4%19.8%5.8%0.41%
    Jun 202628.5%23.3%23.3%19%5.5%0.4%
    Jul 202630.1%20.1%24.7%20.1%4.6%0.42%
    Aug 202625.4%20.7%25.4%20.7%7.3%0.43%
    Sep 202629.5%24.2%24.2%16%5.7%0.41%

    1. 1.Ardex

      29.5%

      Held 1st. 720 estimated branded searches, +22% vs prior month. Share +4.1 points.

    2. 2.Mapei

      24.2%

      Moved from 4th to 2nd. 590 estimated branded searches, +22.9% vs prior month. Share +3.5 points.

    3. 3.Nuralite

      24.2%

      Moved from 2nd to 3rd. 590 estimated branded searches, 0% vs prior month. Share -1.3 points.

    4. 4.Bostik

      16%

      Moved from 3rd to 4th. 390 estimated branded searches, -18.8% vs prior month. Share -4.7 points.

    5. 5.Fosroc

      5.7%

      Held 5th. 140 estimated branded searches, -17.6% vs prior month. Share -1.6 points.

    6. 6.Sika

      0.41%

      Held 6th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

    Compare popularity between Bostik and its closest rivals

    Every comparison with Bostik

    12 comparisons

    How has branded search demand for Bostik changed in New Zealand over the last 12 months?

    3 findings
    • Across the 12 months ending September 2026, estimated monthly branded searches for Bostik in New Zealand held steady at 390.
    • Across the 12 months ending September 2026, Bostik’s share of searches among waterproofing brands in New Zealand increased from 15.2% to 16%.
    • Across the 12 months ending September 2026, Bostik’s share of searches among waterproofing brands in New Zealand peaked at 20.7% in August 2026 and was lowest at 14.9% in April 2026.

    How did search popularity change for New Zealand waterproofing brands in September 2026?

    5 changes

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

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

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

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

    5. In September 2026, Nuralite lost share of searches among waterproofing brands in New Zealand, from 25.4% to 24.2%.

    How are Bostik’s branded searches counted?

    1 search term

    Brandwave collects information about searches that people make online using Bostik’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.

    • bostik

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    How the Brand Demand Index is measured

    Where does Bostik compete?

    Bostik is ranked in three competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
    Competitor setRankShare of searchesRanking
    Adhesive and sealant brands6th of 105.8%Show ranking
    Construction chemical brands5th of 78.6%Show ranking
    Waterproofing brands4th of 616%Shown above
    Creator with pink hair and a pink jacket

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