“Clay split brick terracotta product” is an ambiguous archive label. Before design or procurement, identify the exact unit, inspect its face, edges and rear profile, establish the intended fixing path, and verify the complete wall’s support, water, movement and fire interfaces.
Replace the archive label with a product identity
Ask what “split” describes: a textured face, a split manufacturing process, a thin veneer or another product family. Obtain a current code and drawing showing length, height, thickness, tolerances, edges, rear profile, mass and available corner or special pieces. Verify the archived 60 × 240 × 11 mm size.
Record material body, finish, intended interior or exterior uses and installation restrictions. A photograph of the face cannot establish category or compatibility. Tie the quotation, samples, drawings and reports to one exact product revision.
Retain a labelled sample that shows the front, back and every edge. If multiple textures or colours share a product family name, give each selected variant its own traceable reference. This prevents evidence or installation instructions for one version being assumed to cover another.
Inspect the rear face and edge conditions
Request clear photographs or samples of the back, not only the decorative surface. Document ribs, keys, grooves, coatings, contamination, dust and edge geometry. These details can affect the intended support or bond, joint depth, corner treatment and installed plane.
Review cut edges and any exposed returns. Confirm whether factory corners or specials are available and how their thickness and texture relate to field units. If site cutting is proposed, agree acceptable locations, tools, finish and inspection without assuming a cut piece duplicates a manufactured corner.
For a bonded proposal, require the responsible system parties to assess the actual rear condition, substrate preparation and installation materials together. Any project compatibility trial or adhesion verification should follow an agreed method and acceptance process; a rough-looking back is not itself proof of adequate bond.
Select one verified installation path
Bonded route
Coordinate the exact unit, prepared substrate, adhesive or mortar, coverage, joints, movement and environmental conditions as one approved system.
Mechanical route
If proposed, define compatible profiles, clips or anchors, engagement, tolerances, support, corrosion environment and replacement access.
Hybrid route
Where more than one restraint is used, require a clear engineered description of each component’s role and sequence.
Evidence route
Make sure tests, calculations, assessments and instructions describe the selected current assembly rather than a different product family.
Do not mix instructions from unrelated systems. The responsible designers and manufacturers should identify interfaces, limitations and review responsibilities. Installation convenience is not evidence of structural, water, fire or service suitability.
Coordinate substrate and water management
Define substrate material, strength, stiffness, flatness, moisture, curing and surface preparation. For exterior walls, draw flashings, cavities or drainage paths, barriers, openings, penetrations, parapets, sills and base terminations through the complete assembly.
A thin clay unit, adhesive or joint should not be expected to act as the wall’s sole water-control layer unless the complete designed and evidenced system explicitly says so. Show where water is collected, directed and discharged, and keep inspection and maintenance access practical.
Map the construction sequence so membranes, flashings, supports, setting materials and units can be inspected before later layers conceal them. Identify weather and curing limits in the approved system information, along with responsibility for protecting incomplete work and keeping drainage paths clear.
Resolve movement, loads and fire interfaces
Coordinate structural and substrate movement, thermal and moisture effects, control joints, perimeters and transitions. Show required movement joints in the finish. For mechanical systems, address wind actions, support and fixing engagement; for bonded systems, address relevant project design and compatibility through qualified parties.
Review fire requirements for the exact components and complete wall, including interfaces around openings and compartment lines where relevant. The archived word “firebrick” is not a reaction-to-fire classification, fire-resistance rating or proof of an exterior wall assembly.
Require matched evidence and a system mock-up
Create a submittal matrix for product geometry, absorption, strength, freeze–thaw, chemical exposure, reaction to fire and other relevant criteria, plus assembly support, adhesion or fixings and water management. Check product code, size, finish, method, date and scope.
Where a report covers a different thickness, rear profile, substrate or fixing route, list the difference and obtain a reasoned project response from the responsible party. Do not label the document “close enough” without recording who assessed the variation, on what basis and with what limitations.
Build a mock-up with the intended substrate, fixing or adhesive, joints, corner, opening edge, flashing and sealant interface. Use it to assess appearance, tolerances, sequence, cleaning and replacement access. A successful visual panel does not replace required calculations or tests.
Control installation and preserve traceability
Set hold points for substrate acceptance, materials, setting-out, coverage or fixing engagement, joints, flashings, movement interfaces and cleaning. Record batches and installed areas. Stop when the delivered product, rear profile, thickness or system documents differ from the approved package.
Review the current terracotta brick range and relevant project references only as starting context. At handover, retain as-built details, batch locations, inspection and maintenance instructions, repair procedures and labelled spares.