Brandwave

How popular isSika?

In September 2026, people searched for Sika by name about 2,030 times in New Zealand, a 26.9% increase from the previous year. These searches made up 0.41% of all New Zealand waterproofing brand searches, placing Sika sixth out of six brands. When we asked both ChatGPT and Google AI Overviews about waterproofing brands, Sika appeared in four of the five answers and was the second most recommended of the six.

Search and AI answers in September 2026

Sika is the sixth most searched of 6 competitors and the second 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. SikaShare of searches 0.41%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd

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Top waterproofing brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Sika was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Sika is the second 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 Sika?

    Sika against waterproofing brands in New Zealand, by month

    Share of searches by month for Ardex, Mapei, Nuralite, Bostik, Fosroc, Sika. 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 Sika and its closest rivals

    Every comparison with Sika

    5 comparisons

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

    2 findings
    • Across the 12 months ending September 2026, estimated monthly branded searches for Sika in New Zealand rose from 1.6K to 2K.
    • Across the 12 months ending September 2026, Sika’s share of searches among waterproofing brands in New Zealand held steady, from 0.39% to 0.41%.

    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 Sika’s branded searches counted?

    15 search terms

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

    • sika 212 nz
    • sika auckland
    • sika christchurch
    • sika nz
    • sika nz christchurch
    • sika nz ltd
    • sika sealants nz
    • sikaflex 11fc nz
    • sikaflex 221 nz
    • sikaflex 227 nz
    • sikaflex 252 nz
    • sikaflex 291 nz
    • sikaflex 512 nz
    • sikaflex 522 nz
    • sikaflex at facade nz

    Do you work for Sika? To request corrections or removal please contact us via our support page and we will be happy to assist.

    How the Brand Demand Index is measured

    Where does Sika compete?

    Sika is ranked in four competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
    Competitor setRankShare of searchesRanking
    Caulking gun brands6th of 60.06%Show ranking
    Adhesive and sealant brands10th of 100.15%Show ranking
    Construction chemical brands1st of 744.9%Show ranking
    Waterproofing brands6th of 60.41%Shown above
    Creator with pink hair and a pink jacket

    Is Sika your brand?

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