Authorized Brands

View All

  • Sika

    Sika — Swiss Construction Chemical Leader Founded in 1910 and headquartered in... 

    Sika

  • Sika Ronacrete

    Sika Ronacrete — Concrete Repair & Waterproofing Experts Ronacrete was founded in... 

    Sika Ronacrete

  • Fosroc

    Fosroc — UK Construction Chemical Brand Fosroc is a leading global manufacturer... 

    Fosroc

  • Mapei

    Mapei — Premium Italian Construction Chemicals Mapei was founded in Milan, Italy... 

    Mapei

  • Weber

    Weber — Saint-Gobain Industrial Mortar Brand Weber was founded in France in... 

    Weber

  • GOTECH

    GOTECH is a construction materials brand offering tile adhesives, grouts, renders and... 

    GOTECH

  • Optimix

    Optimix — Hong Kong Local Pre-Mixed Construction Materials Optimix is a Hong... 

    Optimix

  • DOWSIL (Dow Corning)

    Summary: DOWSIL (formerly Dow Corning) is a globally leading silicone sealant brand... 

    DOWSIL (Dow Corning)

  • Alchimica Waterproofing

    Overview: Alchimica is a UK-based building chemicals manufacturer with over 40 years... 

    Alchimica Waterproofing

  • EMFI

    EMFI ProductsEMFI is a European manufacturer of sealants and waterproofing products for... 

    EMFI

  • SPEC

    SPEC ProductsSPEC offers a range of construction chemical products for waterproofing and... 

    SPEC

  • Polybit

    Polybit ProductsPolybit is a construction chemicals manufacturer offering waterproofing, flooring and protective... 

    Polybit

  • PFC (Perfect Fine Chemical)

    PFC — Injection Waterproofing & Elastic Membrane Specialist PFC specialises in injection... 

    PFC (Perfect Fine Chemical)

1 13

Product Categories

View All
1 18

Material Selection Guide

Tile Adhesive

Modern tile fixing materials classified under EN 12004. Superior bond strength, thin-bed application for all tile types.

Tile Grout

Joint filling material classified under EN 13888. Polymer-modified grouts with waterproofing, anti-mould and abrasion resistance.

Bathroom Waterproofing

Elastic cementitious waterproofing for wet areas. Flexible enough to bridge micro-cracks with strong adhesion.

Sealant / Silicone

Neutral-cure silicone sealants with excellent weathering resistance for curtain walls, window joints and pools.

Concrete Repair

Repair mortars for spalling and exposed rebar, classified as Class 25 or Class 40 per HK Housing Authority standards.

Non-Shrink Grout

Cementitious grout with controlled expansion for machinery bases, anchor bolts and structural reinforcement.

SBR Bonding Agent

Polymer additive that improves waterproofing, bond strength and flexibility of cement mortars.

Self-Levelling

High-flow cementitious compound that self-levels for residential renovations and commercial flooring.

Rooftop Waterproofing

Liquid-applied PU or acrylic coatings that cure into seamless elastic membranes for rooftops and terraces.

How to Order

Inquire & Order

Enquiry & Order

Contact us via WhatsApp or visit our store in Mong Kok

Arrange Delivery

Arrange Delivery

Schedule delivery or pick up from our store

Payment

Payment

Cash, FPS, EPS accepted

Engineering Team & Professional Materials

Engineering Team & Professional Materials

FAQ

What is Wah Hing?

Wah Hing has been specialising in construction waterproofing and repair materials for over 40 years. We are a registered minor works contractor and authorised dealer for Sika, Fosroc, Mapei, Weber, Optimix and other brands.

How is Wah Hing different from hardware stores?

We are a specialist supplier with products sourced directly from manufacturers, ensuring fresh stock and authentic quality.

How to order?

Contact us via WhatsApp for quotes and ordering. Most products are typically in stock.

Can I buy individual bags?

Yes, no minimum pallet order required.

Delivery areas and methods?

We deliver across all of Hong Kong. Delivery fees are not included in product prices and vary by driver, weight, location, and demand. Standard delivery van service is roadside drop-off only (driver does not unload or carry upstairs). If you need the driver to assist with unloading or carrying items upstairs, please explicitly inform us when ordering for a separate quote.

Do products come with warranty?

All warranties are provided by the original manufacturers. Results depend on substrate, application and curing.

Can you provide TDS?

Yes. Technical Data Sheets can be requested via WhatsApp or downloaded from the product page.

Store address and hours?

G/F, 1172 Canton Road, Mong Kok. Mon-Sat 8:00-18:00.

Not sure which material?

Contact us via WhatsApp with your project details and we will recommend suitable products.

Does packaging match website?

Packaging may change due to manufacturer updates. Confirm via WhatsApp if needed.