Best Concrete Wall Plugs for Pictures 20kg | Complete Guide
11 October 2025 · 8 min read · by Walensky
Do you want to hang a large work of art or a decorative mirror on your brick wall, but you are worried that the fixing will not be strong enough? You are right to be concerned about brick wall picture fixing, because unlike plasterboard partitions, masonry requires specific high-load brick wall anchoring solutions. In this article, we present 5 professional and reliable methods to guarantee a safe heavy artwork masonry hanging .
Understanding the challenges of fixing to brick walls
Brick is a durable and aesthetic construction material, but its porous and sometimes crumbly structure presents particular challenges when installing a robust brick wall picture fixing. Before choosing your hanging method, it is essential to understand the specific constraints of this type of support.
- Brick is a non-homogeneous material with more fragile areas
- Mortar joints are generally less resistant than the brick itself
- Humidity can affect the resistance of fixings over time
- Weight distribution is crucial to avoid tearing
Keep in mind: The key to a successful installation lies in using a special brick picture plug adapted to the exact type of brick (solid, hollow, refractory) and the actual weight of your artwork with a 30% safety margin.
The types of fixings suitable for brick walls
Expansion plugs for solid brick
For a brick wall picture fixing on solid brick, expansion plugs represent an effective and accessible solution. Their operating principle is simple: when you screw, the plug expands and locks firmly against the wall of the drilled hole, creating a solid anchor for medium to heavy loads.
Pro tip: To improve the resistance of an expansion plug in brick, use a drill bit slightly smaller than the recommended diameter (0.5mm less) to ensure optimal tightening of the plug against the wall.
Chemical plugs for very heavy loads
For a heavy artwork masonry hanging exceeding 20kg, chemical fixing offers an almost indestructible solution. It is a two-component resin that, once mixed and injected into the drilled hole, hardens to form an extremely resistant anchor that perfectly fills the irregularities of the brick.
Metal expansion anchors
These wall anchoring systems for high-load brick are specifically designed for masonry. Consisting of a metal body that expands when the screw is tightened, they offer excellent force distribution and can support significant loads.
- Molly: ideal for hollow bricks
- Impact anchor: quick installation in solid brick
- Anchor bolt: for very heavy loads
Rail mounting systems
For flexible and adjustable installation, rail systems fixed to the wall with multiple wall anchoring systems for high-load brick allow you to distribute the weight and easily change the position of the artwork without new drillings.
| Fixing type | Maximum load | Ideal brick type | Installation difficulty |
|---|---|---|---|
| Nylon expansion anchor | 5-15 kg | Solid and semi-solid | Easy |
| Metal anchor | 15-30 kg | All types | Medium |
| Chemical anchor | 30-100+ kg | All types | Complex |
| Rail system | 20-50 kg (distributed) | All types | Medium |
The 5 professional methods for fixing a heavy picture to brick
Method 1: Expansion anchor fixing
This technique uses two or more anchor points to distribute the load of the painting and offer a robust wall fixing for brick walls. It is particularly suitable for large works whose weight must be distributed across several points.
- Materials needed: Drill with concrete drill bit, expansion metal anchors, suitable screws, spirit level
- Load capacity: Up to 40kg with two fixing points correctly spaced
- Durability: Excellent resistance over time, even in the event of slight vibrations
Method 2: Chemical anchoring system
For particularly heavy works, chemical anchoring resin is the most reliable solution. This method creates a fusion between the special brick anchor and the very structure of the brick, making the anchor point virtually indestructible.
- Materials needed: Chemical anchoring kit, injection gun, threaded rods, washers and nuts
- Load capacity: More than 100kg depending on the diameter and depth of anchoring
Method 3: Multi-point suspension rail
Installing a suspension rail is an elegant and practical solution for hanging heavy artwork on masonry. This system has the advantage of distributing the load over the entire length of the rail and allows for easy repositioning of the works.
- Materials needed: Professional suspension rail, anchors suitable for brick, steel cables and adjustable hooks
- Load capacity: Variable depending on the length of the rail and the number of fixing points
Important point: Regardless of the method chosen, avoid drilling into mortar joints, which are less resistant than the brick itself. Always target the center of the brick for an optimal brick picture fixing .
Step-by-step guide: Install a fixing for a heavy picture on brick
Here is a detailed process to perform yourself a robust brick wall picture fixing that will withstand the test of time:
- Accurate weight assessment : Weigh your picture with its frame and add a safety margin of 30%
- Determination of brick type : Identify whether your wall is made of solid, hollow or firebrick to choose the suitable brick anchor
- Marking fixing points : Use a level to accurately mark the location of the holes to be drilled
- Use of a suitable drill bit : Choose a special concrete/masonry drill bit of the appropriate diameter
- Percussion-free drilling for hollow brick : Avoid percussion mode which could weaken the structure
- Cleaning the hole : Remove dust with a blow gun to ensure optimal adhesion
- Installation of the chosen fixing : Follow the manufacturer's specific instructions for the suitable brick anchor
Expert advice: For particularly valuable paintings, install an additional safety fixing diagonally relative to the main points. This redundancy ensures that even in the event of failure of one wall anchor point for brick walls under high load , the artwork remains secure.
Specific solutions depending on the brick type
Not all bricks are the same, and the choice of hanging method for heavy masonry must take into account the specific characteristics of the material:
Traditional solid brick
Solid bricks offer the best resistance and allow the use of almost all types of fixings. Metal expansion anchors and chemical anchors are particularly effective for supporting heavy loads.
Hollow or cellular brick
More delicate, hollow brick requires specific fixings that can deploy in the cavities without exerting excessive pressure on the walls. Winged anchors or chemical fixings with a sieve are particularly recommended.
Exposed or decorative brick
For exposed brick walls where aesthetics are important, prioritize discreet fixing systems such as micro-anchors or consider a rail system installed at the wall/ceiling joint to avoid any visual impact on the masonry.
Common mistakes to avoid when hanging a picture on brick
- Underestimating the weight of the picture : Always take into account the total weight including frame, glass and accessories
- Neglecting the condition of the brick : An old or friable brick may require prior treatment
- Drilling into the joints : The mortar is less resistant than the brick and compromises the solidity of the wall anchor for brick with high load
- Using standard fixings : Fixings for plasterboard or wood are not suitable for masonry
- Ignoring the anchoring depth : A fixing that is too shallow will not hold in the long term
When to call a professional?
Although many picture fixings for brick can be carried out by an experienced DIYer, certain situations require the intervention of an expert:
- Exceptionally heavy artworks
- Tableaux de grande valeur
- Walls made of old or fragile bricks
- Complex installations (motorized systems, integrated lighting)
- Lack of suitable tools
- Multiple fixings for complete galleries
Frequently asked questions about hanging pictures on brick walls
For a 25kg (55lbs) painting on a hollow brick wall, prioritize either a special brick fixing designed for expanding with fins (type Molly or butterfly), or a chemical anchor with a mesh. Ideally, distribute the weight over two fixing points for greater safety.
Adhesive solutions, even those advertised as ultra-resistant, are not recommended for hanging heavy artwork on masonry. The porous and sometimes uneven surface of the brick does not allow for optimal adhesion. For lightweight works (less than 1kg), special adhesives for porous surfaces may be considered, but only if the brick is perfectly clean, dry, and even.
It depends on the type of brick. For solid or concrete brick, percussion mode is recommended as it facilitates drilling. However, for hollow or fragile brick, it is preferable to disable percussion mode to avoid damaging the structure and ensure a robust fixing to the brick wall.
A simple test is to drill a small 3-4mm hole. If the resistance is constant and dust comes out regularly, it is likely a solid brick. If the drill "suddenly advances" after passing through a wall, it is a sign of a hollow brick. You can also use a material detector or insert a folded wire into the hole to probe the inner cavity.
Durable fixings for your artwork on brick walls
Hanging heavy artwork on masonry requires special attention and appropriate solutions. By choosing the right method from the five we have detailed, you can be sure that your paintings and works of art will remain perfectly fixed to your brick wall for many years.
The key lies in accurately assessing the weight of the artwork, understanding the type of brick that makes up your wall, and selecting a special brick fixing or a system of heavy-duty brick wall anchors perfectly suited to these parameters.
For particularly valuable or heavy works, do not hesitate to invest in professional robust fixing to the brick wall systems or to call in an expert who will ensure a secure and durable installation. Your peace of mind and the safety of your works of art are well worth this investment.
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