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If you've ever admired a neat brick wall or a weatherproof mortar joint, you've seen the work of a good masonry jointer. A masonry jointer is a handheld tool used to shape and compress mortar between bricks or blocks, giving joints a professional look and improving weather resistance. Think of it as the toothbrush for your brickwork—small, simple, and utterly transformational when used right.
There isn't a one-size-fits-all jointer; different profiles create different finishes and performance in varying conditions. Choosing the right type helps your walls shed water, resist frost, and look clean, whether you're re-pointing a garden wall or finishing a new build.
Concave jointers create rounded joints that shed water well and are forgiving in narrow mortar beds. They're popular for both traditional and modern brickwork because the curved profile reduces moisture retention—great for exposed walls. If you want a finish that ages gracefully, a concave profile is often the go-to.
V-shaped or bucket-handled jointers produce a sharp, crisp groove in the mortar. They’re good for decorative work and for joints where a pronounced shadow line is desired. Use them when you want a distinct look, but remember their angles can collect debris if not maintained.
Flat or struck joint profiles give a smooth, weathered look, typically angled slightly to direct water away. These are common for render-to-brick transitions and for older buildings where a shallow profile suits the period style. They can be quicker to tool for large areas.
Alongside profile jointers, builders often use narrow pointing trowels and stiff jointing tools for tight spaces, stonework, or patch repairs. These versatile tools let you clean or tuck the mortar in places a standard jointer can't reach.
Jointers come in a range of sizes and materials. A popular example is the CK Brick Jointer in carbon steel sized about 1/2 in by 5/8 in, which suits medium-width mortar beds. Pay attention to blade material and handle design—these affect durability and comfort during long sessions of tuckpointing.
Carbon steel jointers, like the CK model mentioned above, tend to be harder and easier to sharpen, making them excellent for heavy, repetitive work. Stainless steel resists rust and is easier to clean, which is handy if you store tools in a damp shed. If you work outdoors another few days a week, stainless components can save time on maintenance.
Handles range from traditional wooden grips to soft plastic or rubber D-grips. For long projects, a cushioned, contoured handle reduces hand fatigue and bruising. If you’re gripping a tool for hours, comfort is not an optional extra—it's a productivity boost.
If you’re shopping around, several UK retailers offer a solid selection of jointers. Below are stores that commonly stock quality brands and different profiles so you can match the tool to your job. One store referenced in the product data is Expert Electrical, which lists masonry jointers like the CK Brick Jointer (carbon steel approx 1/2 in x 5/8 in).
Expert Electrical supplies a focused range of tools and trade consumables. If the CK Brick Jointer or similar profile pieces are what you need, they can be a good option for straightforward, no-frills purchases. Expect trade-focused items that suit repair jobs and light to medium masonry work.
Screwfix is a go-to for tradespeople thanks to its large inventory, competitive pricing, and variety of brands. They offer concave, V-shaped, and specialist jointers, plus accessories like cleaning brushes and jointing rods. If you like seeing different sizes side-by-side, Screwfix is a practical stop.
Wickes caters well to DIYers and builders alike, with an easy-to-navigate selection of pointing tools and jointers. They also stock complementary items such as mortar mixes and joint cleaners—handy if you prefer buying everything for a job in one trip.
B&Q offers a broad, consumer-friendly selection and often stocks entry-level and mid-range jointers suitable for home projects. Their stores are useful if you want the flexibility of in-person inspection before buying.
Toolstation is another trade-friendly retailer with a strong online catalogue. They typically carry trusted brands and niche tools, and they’re worth checking if you’re chasing a specific profile or size.
Homebase is convenient for general DIYers, while Jewson and Travis Perkins are traditional builders’ merchants carrying heavier-duty items and specialist profiles. If you’re working on a large restoration or professional re-pointing, these merchants often provide the heavier, longer-lasting jointers professionals prefer.
Choosing a jointer is partly about the look you want, and partly about performance. Match the tool to the brick type, mortar joint thickness, and the exposure conditions. Below are practical rules of thumb to guide your decision.
For older, irregular bricks or reclaimed stone, concave profiles mask variations and shed water well. For new face brick where a crisp design is desired, V-shaped or sharp bucket-handled profiles bring out the pattern. Always test a small area first to ensure the chosen profile complements the overall aesthetic.
Soft lime mortars used in historic buildings need gentler tooling and softer profiles, whereas hard cement mortars tolerate sharper profiles. For walls facing harsh weather, favour rounded or concave joints that shed water and resist frost damage.
If you’re doing one small repair, a modestly priced jointer will do. For regular trade work, invest in a carbon steel or stainless-steel jointer with a comfortable handle—tools that last pay for themselves. Also factor in the cost of complementary tools: brushes, rags, and small trowels add up but make the job faster and neater.
Using a jointer properly is simple, but timing and technique matter. The right motion and a bit of practice will give you neat, durable joints that elevate the entire wall.
Let the mortar firm slightly after laying—too wet and the jointer will pull the mortar out, too dry and it will crumble. The ideal moment is when the mortar can hold shape under slight pressure. If the mortar squeezes but stays intact, you’re ready.
Run the jointer along the mortar bed with a steady, single-motion stroke. Keep the tool at a consistent angle—usually 30 to 45 degrees for concave profiles—and maintain even pressure. Don’t rush; smooth, confident strokes yield the best finish. For deep joints, work in two passes rather than forcing too deep in one go.
After tooling, use a soft brush to remove loose mortar dust once the joint has started to firm. For neat edges, wipe bricks with a barely damp sponge—too much water will weaken the mortar. Good cleanup makes the final finish look planned rather than patched.
Tools last longer when treated well. A little routine care keeps edges sharp and handles comfortable, saving time and money in the long run.
Remove mortar residue before it hardens. For carbon steel tools, use a wire brush and a light oil film afterward to prevent rust. Stainless steel tools usually need less attention, but wiping down after use will prolong their life.
If the working edge becomes rough, a few light strokes on a fine file or sharpening stone will restore a clean profile. Store jointers in a dry place and hang or keep them off concrete floors to avoid moisture transfer.
Prices vary from budget imports to higher-end trade tools. For occasional DIY jobs, mid-range models are cost-effective and last longer than the cheapest options. For tradespeople, investing in quality payoffs in speed and consistency. Look for sales, multi-tool packs, or trade discounts at builders’ merchants if buying multiple items.
When comparing options, check blade width and profile size in inches, handle comfort, and material grade. A tool that fits your hands and matches the joint width will save time and reduce rework. If possible, test the tool on a spare area to ensure the profile translates to the look you want.
Even experienced DIYers stumble on common pitfalls. Avoid these mistakes for better, longer-lasting results and less frustration on site.
Timing is everything. Too early and mortar will smear or slump; too late and it will crumble. Aim for the sweet spot when the mortar resists light pressure but still molds smoothly under the jointer.
Choosing a sharp V-profile for a wall exposed to heavy rain can trap moisture and accelerate wear. Match the profile to the function: rounded profiles for exposure, sharper profiles for appearance in protected locations.
Stonework and very narrow or deep joints need smaller, specialist jointers or pointing trowels. These tools allow precision in tight spaces where standard jointers are too bulky. If you’re restoring period stonework, invest in a set of smaller jointers to match original profiles.
Practice on a sample wall or spare bricks before tackling the main job. Local DIY workshops, community colleges, and online video tutorials provide hands-on tips. The more you practice, the more consistent your jointing will become—the difference is like night and day between a rushed job and a well-finished wall.
Before you buy, run through this quick checklist: choose the profile to match the wall and weather exposure, pick the blade material for durability, ensure the handle is comfortable for extended use, and confirm the size fits your joint width (e.g., about 1/2 in to 5/8 in for medium joints). With those boxes ticked, you’ll end up with a tool that does the job well and lasts.
Masonry jointers are small but mighty tools that transform the look and longevity of brickwork. Whether you’re a weekend DIYer or a professional tradesperson, choosing the right profile, material, and handle makes all the difference. Shop smartly—stores like Expert Electrical, Screwfix, and the major builders’ merchants offer a healthy range of jointers and accessories. With the right tool, a steady hand, and a little practice, you’ll be turning rough mortar into neat, durable joints that stand up to the British weather for years.
| Masonry Jointers | Price | |
|---|---|---|
| Ck Brick Jointer Carbon Steel 13x16mm | £ 5,14 |
