Clay split brick tiles combine a slim wall-facing format with the colour and tactile variation associated with fired clay. LOPO’s archived article linked this range to long traditions of brick craft and modern ceramic production. For today’s project, that idea is most useful when translated into practical choices: surface, colour range, module, back profile, joints, substrate and an approved installation system.
What makes a clay split brick tile distinctive
Split tiles are formed so that the production body can be separated into facing units, giving the exposed surface a natural ceramic character. The archived LOPO description referred to shale and other mineral raw materials, high-temperature firing and unglazed faces. Current composition and manufacturing details should be confirmed for the selected reference rather than assumed across every product in the category.
Compared with a flat, printed surface, fired-clay colour can show subtle shifts from piece to piece. Textures may be smooth, combed, ridged, sanded or deliberately rugged. That variety allows the same material family to support calm contemporary walls, brick-like courses or more expressive feature areas. It also means that one small photograph is not enough for final approval.
Use colour and texture as part of the wall composition
The original range image presents reds, browns, greys and pale earth tones alongside several linear and rough textures. These examples illustrate design directions, not a guarantee that every historical option remains available. Begin by selecting a colour family and surface scale that suit the elevation, then ask for current representative samples.
Viewing distance
Fine grooves may read clearly at an entrance but merge into a single tone on a high elevation. Rougher relief creates stronger shadows and remains visible from farther away.
Joint relationship
A close-colour joint softens the module; a contrasting joint emphasises every unit. Width, depth and profile should be approved together with the tile.
Natural variation
Agree the acceptable tonal and textural range with several samples. Site teams should blend packs rather than install one pallet as an isolated block.
Adjacent materials
Review samples beside the actual stone, metal, glazing, render or interior finishes because neighbouring colours can change how the clay is perceived.
The dovetail back supports bonding but is not the whole system
The old article highlighted the deeper dovetail grooves on the back of split tiles. This profile can create a stronger mechanical key for a compatible adhesive or mortar than a completely smooth back. It should not be described as an automatic cure for detachment. Bond performance also depends on the substrate, preparation, adhesive selection, coverage, movement, weather exposure and workmanship.
For exterior work, request the proposed build-up and current instructions. Confirm whether the wall requires a primer, levelling layer, waterproofing, reinforcement, movement joints or mechanical support under local rules. Carry out adhesion trials on the real substrate where appropriate, particularly on renovation projects or tall, exposed walls.
Set realistic expectations for weathering and moisture
The legacy text used broad phrases such as “never fade,” “fire retardant” and “withstand wind and rain.” A modern specification should replace those absolutes with current evidence for the exact tile, finish and system. Fired-in colours are chosen partly for exterior durability, but glazed, unglazed and surface-treated products may have different test routes and maintenance needs.
A porous clay body can exchange moisture with its surroundings, yet a thin facing should not be presented as controlling indoor temperature or humidity by itself. Water management depends on the entire wall: joints, adhesive, substrate, flashings, copings and drainage details. In cold or wet climates, obtain relevant water-absorption and freeze–thaw information and review it with the project team.
Plan the module, installation and cleaning
- Set out courses from actual elevations, coordinating heads, sills, corners and movement joints.
- Avoid narrow cut pieces at prominent edges by adjusting the module before work starts.
- Use a compatible fixing system and verify the required adhesive contact coverage.
- Keep movement joints functional; do not bridge them with rigid tile or grout.
- Clean as work proceeds with a method approved for the chosen surface and joint material.
- Protect completed areas from rain, freezing, rapid drying and damage during curing.
A sample board should include real joints and at least one corner or return. It allows the designer to check colour distribution, bond pattern, texture, joint finish and cleaning before the method is repeated across a large area.
Move from a design idea to an approved order
- Share the project location, wall type, elevations, preferred colour and texture.
- Confirm current sizes, thicknesses, tolerances and suitable fixing systems.
- Review several physical samples, then prepare a project sample board or mock-up.
- Approve the colour range, joint, bond, corner detail and cleaning method.
- Confirm quantity, replacement stock, packing, delivery schedule and current documentation.
Compare LOPO’s broader terracotta brick and brick tile range, review completed surfaces in the project gallery, or use the contact page.