Bare-to-Finish Solutions to Repair Cracks on Exterior Walls & Floors

Choose an exterior area to view our recommended full-system solutions

System Solutions for Hairline Cracks on Walls

Noticed hairline cracks appearing on your exterior walls? While they may seem minor, even small cracks can allow moisture, dirt, and pests to seep through, potentially leading to surface damage and structural issues over time. Nippon Paint’s Bare-to-Finish Solutions for Cracks on Walls address the issue from start to finish, effectively filling and sealing cracks while reinforcing the wall surface for lasting protection to create your most beautiful home.

Choose the size of the hairline cracks
5 Paint (Second Coat)
4 Paint (First Coat)
3 Sealer
2 Sanding
1 Putty
1

Putty

EasySKIM PLUS 2000

Apply putty to fill in the cracks or surface defects, restoring structural integrity and creating a uniform surface.

5 Paint (Second Coat)
4 Paint (First Coat)
3 Sealer
2 Sanding
1 Putty

2
Nippon Paint Abrasive Waterproof Sandpaper packaging featuring product details and usage instructions. Ideal for achieving smooth finishes on various surfaces, the sandpaper measures 230x280mm and is suitable for wood, metal, and plastic applications.

Sanding

Abrasive Waterproof Sandpaper

Lightly sand the surface to even out imperfections and ensure strong bonding for the next coating layers.


3
Nippon Paint Acrylic 5170 Wall Sealer, a solvent-based product designed for exterior and interior repainting, features an improved formula that promotes better adhesion and offers good resistance to mold and efflorescence, ideal for chalky and powdery surfaces.

Sealer

Acrylic 5170 Wall Sealer

Apply one coat of sealer to create an even surface that helps paint adhere better.


4
Nippon Paint Weatherbond Ultimate exterior paint canister featuring Quartz Technology, labeled as "Best in Class" for hiding power and color vibrancy.

Paint (First Coat)

Weatherbond® Ultimate

Apply one coat of specially formulated exterior topcoat to ensure long-lasting colour vibrancy and durability.


5
Nippon Paint Weatherbond Ultimate exterior paint canister featuring Quartz Technology, labeled as "Best in Class" for hiding power and color vibrancy.

Paint (Second Coat)

Weatherbond® Ultimate

Add a second coat of topcoat to boost durability and colour depth, giving you a smooth finish that handles daily wear with ease.

6 Paint (Second Coat)
5 Paint (First Coat)
4 Sealer
3 Sanding
2 Putty
1 Surface Preparation
1

Surface Preparation

Prepare the surface by cleaning and widening the crack to ensure the repair compound penetrates deeper into the surface. Lightly wet the crack before patching.

6 Paint (Second Coat)
5 Paint (First Coat)
4 Sealer
3 Sanding
2 Putty
1 Surface Preparation

2
Nippon Paint CrackRepair 1000, a ready-to-use crack repair solution, designed to fill medium cracks up to 2mm, offering flexibility to prevent recurring cracks. Ideal for both exterior and interior applications, it provides minimal shrinkage and is weather resistant.

Putty

CrackREPAIR 1000

Apply putty to fill in the cracks or surface defects, restoring structural integrity and creating a uniform surface.


3
Nippon Paint Abrasive Waterproof Sandpaper packaging featuring product details and usage instructions. Ideal for achieving smooth finishes on various surfaces, the sandpaper measures 230x280mm and is suitable for wood, metal, and plastic applications.

Sanding

Abrasive Waterproof Sandpaper

Lightly sand the surface to even out imperfections and ensure strong bonding for the next coating layers.


4
Nippon Paint Acrylic 5170 Wall Sealer, a solvent-based product designed for exterior and interior repainting, features an improved formula that promotes better adhesion and offers good resistance to mold and efflorescence, ideal for chalky and powdery surfaces.

Sealer

Acrylic 5170 Wall Sealer

Apply one coat of sealer to create an even surface that helps paint adhere better.


5
Nippon Paint Weatherbond Ultimate exterior paint canister featuring Quartz Technology, labeled as "Best in Class" for hiding power and color vibrancy.

Paint (First Coat)

Weatherbond® Ultimate

Apply the first coating with a specially formulated exterior topcoat to ensure long-lasting colour vibrancy and durability.


6
Nippon Paint Weatherbond Ultimate exterior paint canister featuring Quartz Technology, labeled as "Best in Class" for hiding power and color vibrancy.

Paint (Second Coat)

Weatherbond® Ultimate

Add a second coat of topcoat to boost durability and colour depth, giving you a smooth finish that handles daily wear with ease.

A complete coating system for exterior wall hairline cracks

A systematic approach with the right materials ensures cracks are sealed effectively, surfaces are protected from harsh weather, and your home’s exterior walls remains durable over time. To learn more about Nippon Paint’s Bare-to-Finish Solution to Repair Cracks on Exterior Walls, hear from the Nippon Paint House Pakar as he explains why a proper coating system is essential.

Your Guide To System Solutions for Hairline Cracks on Walls

Let Nippon Paint House Pakar tell you all about fixing hairline cracks on walls from bare to finish.

What Causes Hairline Cracks?

Exterior cracks may result from structural settlement, temperature-related movement, moisture ingress, or improper construction methods. With Nippon Paint’s Bare-to-Finish Solutions, surfaces are strengthened and properly bonded to minimise visible imperfections and improve long-term durability.

Poor Construction Practices

Poor workmanship, such as not preparing the surface properly or using low-quality materials, can make walls and floors less durable over time.

Structural Movement

Exterior walls are constantly exposed to heat and rain. As materials expand in hot or wet conditions and contract when they cool or dry, this repeated movement creates stress that can eventually cause cracks on the surface.

Water Seepage

Water seepage happens when rainwater or moisture enters through tiny cracks, joints, or porous areas in exterior walls and floors. Over time, it weakens the bonding materials inside the surface and can lead to small cracks forming.

Following the correct repair steps with compatible products from Nippon Paint Bare-to-Finish Solutions ensures cracks are treated from the base layer to the finishing coat. This not only conceals hairline cracks effectively, but also reinforces the surface, improves durability, and helps prevent cracks from returning.

Explore our recommended system solutions or speak to a Nippon Paint expert to find the right solution for your home.