Brick steps add character and durability to a home, but keeping them looking bright requires the right technique and tools. This guide walks American homeowners through a practical, safe cleaning process that can restore color and remove grime from exterior brick stairs.
Whether you’re refreshing a dusty entryway or restoring a weathered set, a methodical approach helps prevent damage to brick mortar and ensures long-lasting results.
Quick Answer
For most exterior brick steps, start with a dry brush to remove loose debris, apply a masonry cleaner spray, agitate with a stiff brick cleaning brush, and rinse with a low-pressure washer. Use a pad brush or brick cleaning pad on stubborn spots, and dry the surface completely to prevent mold growth.
What You’ll Need
- 12 inch stiff nylon brick cleaning brush for stairs
- exterior brick steps scrub brush with stiff bristles
- pressure washer for brick surfaces cleaning steps
- masonry cleaner spray for brick exterior surfaces
- brick cleaning pad or pad brush for stair treads
- gloves, eye protection, and a mask
- plastic drop cloths or tarps
Before You Start
Survey the brick and mortar for cracked sections or loose joints. Close doors or cover nearby plants to protect from cleaner spray. Wear protective gear, and test a small spot first to ensure the cleaner doesn’t discolor bricks. Plan for weather windows: choose a dry day with mild temps to avoid rapid drying or freezing.
Important cautions: avoid high-pressure washing directly on softened mortar, and never use acidic cleaners on lime-rich brick without testing a hidden area first. If repointing is needed, defer cleaning until repairs are completed.
Step-By-Step: How To Clean Brick Steps
- Clear the stairs and rinse with plain water to remove loose dirt and debris.
- Apply a masonry cleaner spray to all brick surfaces, following the product’s label for dwell time.
- Agitate with the 12 inch stiff nylon brick cleaning brush for stairs or the exterior brick steps scrub brush with stiff bristles to lift embedded grime.
- Spot clean stubborn stains using a brick cleaning pad or pad brush for stair treads, working from the top down.
- Rinse the steps with a low-pressure stream from a pressure washer for brick surfaces cleaning steps, keeping the nozzle at a safe distance to protect mortar.
- Inspect for any remaining dark spots; repeat cleaning on those areas if needed.
- Allow the stairs to dry completely before walking on them; consider re-covering adjacent surfaces during drying to prevent overspray.
- Optionally seal the brick after completely dry to deter future staining and simplify maintenance.
Troubleshooting
| Symptom | Likely Cause | Fix | Prevention |
|---|---|---|---|
| Stubborn stains persist after cleaning | Deep-set grime or mineral deposits | Reapply masonry cleaner and scrub with pad brush | Pre-wet and treat stains early |
| Mortar softened or discolored | High-pressure wash too close or strong cleaner | Switch to lower pressure; avoid aggressive cleaners | Test area first; use gentler methods |
| Bleeding color on bricks | Cleaner not suitable for brick type | Rinse thoroughly; use a product matched to brick | Read label for brick compatibility |
| Excessive efflorescence after cleaning | Residual mineral salts | Rinse well and allow to dry; consider a breathable sealant | Clean in dry weather; avoid over-wetting |
Common Mistakes
- Using a high-pressure washer too close to mortar joints
- Skipping a test patch before applying cleaners
- Choosing a cleaner not suitable for the brick type
- Allowing cleaning solution to pool on the surface without rinsing
- Ignoring drying time, which can encourage mold growth
Tips For Best Results
- Work from top to bottom to prevent dirty water from running onto cleaned areas.
- Use a dedicated brush for brick cleaning to maintain bristle stiffness and effectiveness.
- Protect nearby plantings and outdoor furniture from cleaners with shielding or tarps.
- Rinse thoroughly to remove all cleaner residues that might attract more dirt.
- Consider sealing after full dry-down to extend the cleanliness and reduce future staining.
Call A Professional
Seek professional help if brick steps show extensive cracking, mortar erosion, or crumbling joints. Stop cleaning if bricks become efflorescent or if you detect structural instability. For delicate brick types or historic homes, a masonry specialist can advise on best practices, including compatible cleaners and sealing products.
FAQ
What kind of brush is best for brick steps?
A stiff nylon brick cleaning brush designed for stairs or an exterior brick scrub brush with stiff bristles provides effective agitation without damaging mortar.
Can I use a pressure washer on brick steps?
Yes, but use low pressure and keep the nozzle at a safe distance to protect mortar and avoid surface damage.
Is masonry cleaner safe for all brick types?
Most are suitable for exterior brick, but test on a small area first and choose a product labeled for masonry and brick surfaces.
Should I seal brick steps after cleaning?
Sealing after complete drying can help protect against staining and weathering, but choose a breathable sealant compatible with brick.
How long does it take for brick steps to dry after cleaning?
Drying times vary with weather, but plan several hours to a full day in warm, sunny conditions.
Can I clean brick stairs with household products?
Household products are not recommended for exterior brick; use purpose-made masonry cleaners and brushes for best results.
What if primer or paint is present on brick stairs?
Be cautious with cleaners; test first, and consult a professional if paint layers are involved to prevent damage.
Buying Guide
Choosing the right tools and products for cleaning brick steps hinges on several factors. Size and layout of the stairs influence brush choice and reach. A stiff nylon brick cleaning brush set provides reliable agitation, while a dedicated exterior brick scrub brush offers broader bristle coverage. For stubborn grime, a pressure washer for brick surfaces cleaning steps helps, but low pressure is essential to protect mortar.
Consider the cleaning product’s compatibility with brick exterior surfaces and avoidance of acidic formulas that can etch softer bricks. A masonry cleaner spray for brick exterior surfaces should come with clear dwell times and safety guidance. After cleaning, a breathable sealant can reduce future staining and make maintenance easier.
Placement matters: clean one section at a time, maintain a dry workspace, and protect nearby plants. Noise and energy use are practical considerations if using a pressure washer; look for models with adjustable spray patterns and efficient operation. Finally, convenience features like extension wands and ergonomic handles can improve comfort during longer cleaning sessions.


