#10 Best for Residential Properties

Allseal Waterproofing Reviews

★★★★★4.826 Google reviews

Last updated August 8, 2026 · By BestThingReview

Address: 215 Ang Mo Kio Ave 1, #01-893, Singapore 560215

Phone: +65 8360 1752

Website: allsealwaterproofing.com.sg/

About Allseal Waterproofing

Allseal Waterproofing Pte Ltd is a residential-focused waterproofing contractor based at Ang Mo Kio Ave 1, carrying a 4.8-star Google rating across 26 reviews. The firm specialises in waterproofing applications for HDB flats, condominiums, and landed property, covering roof membranes, bathroom waterproofing, and external wall sealing. Operating from 8AM to 10PM on weekdays and 9AM to 5PM on Sundays, their schedule accommodates most homeowner requirements without requiring time off work for assessments or supervision. Allseal uses a range of waterproofing systems suited to residential substrates, including flexible acrylic coatings for areas subject to minor movement, cementitious waterproofing for concrete surfaces, and polyurethane membranes for flat roofs exposed to pooling water. Their residential focus means the team is experienced with the practical constraints that characterise domestic waterproofing projects: working in occupied properties, managing debris and noise within HDB noise regulations, and coordinating around household schedules. Reviews note transparent quoting, professional conduct on site, and clear post-job warranty documentation. For homeowners seeking a residential waterproofing specialist with a documented track record in Singapore's HDB and private residential market, Allseal provides reliable workmanship with a straightforward client experience.

Highlights

  • Transparent Pricing
  • #10 Best for Residential Properties
  • 4.8 / 5.0 Google Rating
  • 26 Google Reviews
  • Singapore Based

Services

Roof MembranesBathroom WaterproofingExternal Wall Sealing

Our Verdict

Allseal Waterproofing is the #10 ranked best for residential properties in BestThingReview's evaluation of Roof Waterproofing Contractors in Singapore (2026), Ranked by Reviews. Allseal Waterproofing Pte Ltd is a residential-focused waterproofing contractor based at Ang Mo Kio Ave 1, carrying a 4.8-star Google rating across 26 reviews. The firm specialises in waterproofing applications for HDB flats, condominiums, and landed property, covering roof membranes, bathroom waterproofing, and external wall sealing.

4.8

★★★★★

/ 5.0 Google

26 verified Google reviews

Ranked #10 in Singapore 2026

Source: Google Maps · Reviewed by BestThingReview

Best For

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Best for Residential Properties

Allseal Waterproofing stands out specifically for residential properties, making it the strongest choice for customers with this priority.

Allseal Waterproofing FAQs

Is Allseal Waterproofing good?

Allseal Waterproofing holds a 4.8 out of 5 Google rating from 26 reviews and is ranked #10 (Best for Residential Properties) in BestThingReview's ranking of the best Roof Waterproofing Contractors in Singapore.

What do customers say about Allseal Waterproofing?

Across 26 Google reviews, Allseal Waterproofing averages 4.8 stars.

Where is Allseal Waterproofing located?

Allseal Waterproofing is located at 215 Ang Mo Kio Ave 1, #01-893, Singapore 560215.

How do I contact Allseal Waterproofing?

Call Allseal Waterproofing on +65 8360 1752 or visit allsealwaterproofing.com.sg.

Allseal Waterproofing is ranked #10 in our evaluation:

10 Best Roof Waterproofing Contractors in Singapore (2026), Ranked by Reviews →

Also Ranked in Best Roof Waterproofing Contractors in Singapore (2026), Ranked by Reviews