Brandwave

Waterproofing brands:Which are searched most?

In September 2026, Foundation was the most searched among waterproofing brands worldwide, with an estimated 824K branded searches and 59.6% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Foundation59.6%
  2. Sika21.8%
  3. Mapei9.8%
  4. Bostik4.4%
  5. Ardex2.4%
  6. Fosroc2%
  7. Guru0.03%
  8. Slab<0.01%

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Share of SearchLeaderboard

Compare the waterproofing brands people buy. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Share of Search among waterproofing brands worldwide, by month

Share of Search by month for Foundation, Sika, Mapei, Bostik, Ardex. The figures are in the table below the chart.

View monthly share of search table
MonthFoundationSikaMapeiBostikArdexFosrocGuruSlab
Oct 202561.6%22.6%8.3%3.7%2%1.7%0.04%<0.01%
Nov 202563%18.9%10.4%3.8%2.1%1.7%0.03%<0.01%
Dec 202561.5%22.5%8.2%3.7%2%2%0.04%<0.01%
Jan 202664.4%19.4%8.7%3.9%2.1%1.4%0.04%<0.01%
Feb 202659.9%21.9%9.8%4.4%2.4%1.6%0.05%0.01%
Mar 202656.8%25.3%9.3%4.2%2.8%1.5%0.06%<0.01%
Apr 202659.7%21.8%9.8%4.4%2.4%2%0.05%0.01%
May 202660.1%22%9.9%3.6%2.4%2%0.05%<0.01%
Jun 202655.2%24.7%11.1%4.1%2.7%2.2%0.06%<0.01%
Jul 202655.2%24.7%11.1%4.1%2.7%2.2%0.06%<0.01%
Aug 202661.2%22.4%8.2%3.7%2.5%2%0.04%<0.01%
Sep 202659.6%21.8%9.8%4.4%2.4%2%0.03%<0.01%

This month’s ranking, September 2026

  1. 1.Foundation

    59.6%

    Held 1st. 824K estimated branded searches, -0.02% vs prior month. Share -1.6 points.

  2. 2.Sika

    21.8%

    Held 2nd. 301K estimated branded searches, 0% vs prior month. Share -0.6 points.

  3. 3.Mapei

    9.8%

    Held 3rd. 135K estimated branded searches, +22.7% vs prior month. Share +1.6 points.

  4. 4.Bostik

    4.4%

    Held 4th. 60.5K estimated branded searches, +22.2% vs prior month. Share +0.7 points.

  5. 5.Ardex

    2.4%

    Held 5th. 33.1K estimated branded searches, 0% vs prior month. Share -0.1 points.

  6. 6.Fosroc

    2%

    Held 6th. 27.1K estimated branded searches, 0% vs prior month. Share -0.1 points.

  7. 7.Guru

    0.03%

    Held 7th. 460 estimated branded searches, -16.4% vs prior month. Share 0 points.

  8. 8.Slab

    <0.01%

    Held 8th. 110 estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between leading brands

Which brand is most popular in search among waterproofing brands worldwide?

In September 2026, Foundation was the most searched among waterproofing brands worldwide, with an estimated 824K branded searches and 59.6% estimated Share of Search within this set. Sika is in 2nd place, 37.8 percentage points behind at 21.8% Share of Search.

Global waterproofing brands, last 12 months ending September 2026
BrandShare of SearchPeakLowRank
Foundation61.6% → 59.6%64.4%Jan 202655.2%Jun 20261st
Sika22.6% → 21.8%25.3%Mar 202618.9%Nov 20252nd
Mapei8.3% → 9.8%11.1%Jun 20268.2%Aug 20263rd
Bostik3.7% → 4.4%4.4%Feb 20263.6%May 20264th
Ardex2% → 2.4%2.8%Mar 20262%Dec 20255th
Fosroc1.7% → 2%2.2%Jun 20261.4%Jan 20266th
Guru0.04% → 0.03%0.06%Mar 20260.03%Sep 20267th
Slab<0.01%0.01%Feb 2026<0.01%Nov 20258th

Each finding as a sentence

  • Across the 12 months ending September 2026, Foundation’s estimated Share of Search among waterproofing brands worldwide decreased from 61.6% to 59.6%.
  • Across the 12 months ending September 2026, Sika’s estimated Share of Search among waterproofing brands worldwide decreased from 22.6% to 21.8%.
  • Across the 12 months ending September 2026, Mapei’s estimated Share of Search among waterproofing brands worldwide increased from 8.3% to 9.8%.
  • Across the 12 months ending September 2026, Bostik’s estimated Share of Search among waterproofing brands worldwide increased from 3.7% to 4.4%.
  • Across the 12 months ending September 2026, Foundation’s estimated Share of Search among waterproofing brands worldwide peaked at 64.4% in January 2026 and was lowest at 55.2% in June 2026.
  • Across the 12 months ending September 2026, Sika’s estimated Share of Search among waterproofing brands worldwide peaked at 25.3% in March 2026 and was lowest at 18.9% in November 2025.
  • Across the 12 months ending September 2026, Mapei’s estimated Share of Search among waterproofing brands worldwide peaked at 11.1% in June 2026 and was lowest at 8.2% in August 2026.
  • Across the 12 months ending September 2026, Ardex, Fosroc, Guru and Slab held steady: their estimated Share of Search among waterproofing brands worldwide each moved less than 0.5 percentage points.

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

  1. In September 2026, Mapei gained estimated Share of Search among waterproofing brands worldwide, from 8.2% to 9.8%.

  2. In September 2026, Bostik gained estimated Share of Search among waterproofing brands worldwide, from 3.7% to 4.4%.

  3. In September 2026, Foundation lost estimated Share of Search among waterproofing brands worldwide, from 61.2% to 59.6%.

  4. In September 2026, Sika lost estimated Share of Search among waterproofing brands worldwide, from 22.4% to 21.8%.

  5. Estimated monthly branded searches for Guru worldwide fell 32.4% over 12 measured months, from 680 to 460 in September 2026.

  6. Estimated monthly branded searches for Slab worldwide fell 21.4% over 12 measured months, from 140 to 110 in September 2026.

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