how to fix brick that is sticking over foundation exterior

Daniel Parker

3 min read

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17-01-2025

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A brick jutting out from your foundation's exterior is more than just an eyesore; it can compromise the structural integrity of your home. This article guides you through identifying the cause and effectively repairing a protruding brick. Understanding the underlying issue is crucial before attempting any fix.

Identifying the Problem

Before tackling the repair, it's vital to understand why the brick is sticking out. Several factors could be at play:

• Foundation Settlement: Uneven settling of the foundation is a common culprit. This causes stress on the brickwork, leading to displacement.
• Frost Heave: In colder climates, freezing and thawing of soil can push bricks outward. This is particularly problematic in areas with poor drainage.
• Poor Mortar: Deteriorated or insufficient mortar between bricks can allow movement and protrusion.
• Root Intrusion: Tree roots growing near the foundation can exert pressure, dislodging bricks.
• Earthquake Damage: In earthquake-prone regions, seismic activity can cause shifting and damage to brickwork.

Carefully inspect the surrounding area for cracks in the foundation, mortar, or bricks. Note any signs of soil erosion or water damage. Taking photos can be helpful for documenting the issue.

Assessing the Damage

Determining the extent of the damage is key to choosing the right repair method. A slightly protruding brick might require a simple fix, while a severely displaced brick could indicate a more serious underlying problem.

Consider these factors:

• How far is the brick protruding? A minor protrusion may only require mortar repair. A significant protrusion might necessitate brick replacement.
• Is the brick cracked or damaged? A cracked brick is more likely to require replacement.
• Are there any other damaged bricks nearby? Addressing only one brick might leave you with recurring issues.

If you are unsure about the extent of the damage, consult a structural engineer or experienced mason. They can provide a professional assessment and recommend the best course of action.

Repairing a Protruding Brick: Step-by-Step Guide

For minor protrusions caused by loose mortar, you might be able to handle the repair yourself. However, for significant damage, professional help is strongly recommended.

Tools and Materials:

• Safety Glasses: Protect your eyes from debris.
• Chisel: To carefully remove loose mortar.
• Hammer: For tapping the chisel.
• Mortar: Use a pre-mixed mortar or mix your own using cement, sand, and lime. Match the existing mortar's color as closely as possible.
• Pointing Trowel: For applying and shaping the mortar.
• Brick Brush: To clean excess mortar.
• Water: To moisten bricks and mortar.
• Protective Gloves: Protect your hands.

Repair Steps (for minor protrusions only):

1. Clean the area: Remove loose debris and dirt from around the brick.
2. Loosen the mortar: Carefully chip away the old mortar around the protruding brick using the chisel and hammer. Work slowly and gently to avoid damaging the brick.
3. Gently tap the brick: If the brick is only slightly protruding, you may be able to gently tap it back into place using a rubber mallet. Avoid excessive force.
4. Apply new mortar: Fill the gaps with fresh mortar, pressing it firmly into place. Use the pointing trowel to shape the mortar and create a neat finish.
5. Clean excess mortar: Remove any excess mortar with the brick brush before it hardens.
6. Allow to cure: Allow the mortar to cure completely according to the manufacturer's instructions (typically a few days).

When to Call a Professional

If the brick protrusion is significant, you notice cracks in the foundation, or multiple bricks are affected, contacting a professional is crucial. A mason or structural engineer can assess the underlying issue, provide a proper diagnosis, and perform a safe and effective repair. Attempting a major repair yourself could worsen the problem and lead to more extensive and costly repairs down the line.

Prevention is Key

Regular inspections of your home's exterior are vital for early detection of problems. Address minor issues promptly to prevent them from escalating into major repairs. Proper drainage around your foundation is also crucial in preventing frost heave and other problems. Ensure gutters and downspouts are functioning correctly, and consider installing a French drain to direct water away from the foundation. Maintaining the health of trees and shrubs near your foundation can also minimize root intrusion damage.

By understanding the causes of a protruding brick and following the appropriate repair steps, you can maintain the structural integrity and aesthetic appeal of your home. Remember, safety should always be your top priority, and don't hesitate to seek professional help when needed.