KENYA · GUIDE 0391 · EDITION 4.2

Sealant replacement in Kenya: Operations and Quality Checks

Deliver the agreed result consistently

Identify why existing sealant failed before replacement, separating accessible joint renewal from leaks, movement or substrate damage that need an appropriately competent building trade.

The operating sequence for this offer is:

Assess cause. Verify customer authority and document the actual fitting, material and existing defect. Stop where the site or system cannot be assessed safely.
agree scope. Check the manufacturer specification, supporting surface and required professional competence before selecting parts. Record the agreed exclusions on the job card.
prepare and apply within competence. Carry out only work within demonstrated competence and applicable authorization. Protect adjacent property and obtain approval before expanding the agreed scope.
follow curing instructions and inspect. Check the agreed operation with the customer and retain completion notes. Explain remaining defects, use limits and any specialist work still required.

Put acceptance into the job record

Neat appropriate joint with clear curing and use instructions, not a blanket leak-proof guarantee.

Review joint preparation and the finished line with the owner, explaining manufacturer-directed care and use restrictions rather than promising immediate use or permanent waterproofing.

Inspect at the point where a correction is still possible, then again at handover. Record rejected or incomplete output separately from accepted output. A completed task is not automatically an accepted task, and an invoice does not establish that the customer received the right result.

Measure real capacity

Time preparation, the main operation, transport, cleaning, approvals and correction as applicable. The slowest stage determines how much you can promise. Where two orders need the same person, space or equipment at the same time, resolve the conflict before confirming both deadlines. An additional enquiry should not erase a commitment already made.

Operating checkpoint	Evidence for this business
Before starting	Identify why existing sealant failed before replacement, separating accessible joint renewal from leaks, movement or substrate damage that need an appropriately competent building trade.
During delivery	agree scope. Check the manufacturer specification, supporting surface and required professional competence before selecting parts. Record the agreed exclusions on the job card.
At acceptance	Review joint preparation and the finished line with the owner, explaining manufacturer-directed care and use restrictions rather than promising immediate use or permanent waterproofing.
At the pilot review	Record joint location, previous failure signs, substrate findings and care instructions, using the pilot to define which joints are suitable for a straightforward replacement service.

Keep a correction and escalation rule

When inputs, access, specifications or customer instructions change, pause the affected work and confirm the effect on time and cost. Do not quietly lower the acceptance standard to avoid a delayed delivery. Keep rework caused by your error distinct from a customer-requested change of scope and agree the remedy clearly.

A fresh bead covers persistent dampness instead of addressing its cause, so discolouration returns and the customer mistakes a cosmetic renewal for a complete leak repair.

Retain the minimum records needed to investigate a complaint without disclosing unrelated personal information. Use measured delivery and actual acceptance as the basis for expanding capacity, rather than the maximum theoretical output of a tool or production line.

Operating control points for this exact offer

Sequence	Work method	Release checkpoint
1	Photograph the joint and ask when moisture appears; assess loose fixture movement, adjacent cracks and signs of a deeper leak.	A failed underlying joint or moving fixture is referred before cosmetic resealing.
2	Identify tile, fixture and existing joint materials, measure actual joint geometry and obtain a compatible local product data sheet.	Do not assume every acetoxy silicone suits stone, metal or every old sealant surface.
3	Have the competent operator remove old material without damaging the fixture and prepare the joint exactly as the selected system requires.	Poor adhesion or damp/contaminated substrate is not covered with a new bead.
4	Apply the specified system by its instructions, protecting adjacent finishes and retaining batch/date information.	No invented universal bead depth, primer choice or cure time is printed as instructions.
5	Give the owner the actual product’s cure/use restrictions and inspect continuity and adhesion by its supported acceptance process.	The bathroom is not declared ready merely because the surface has skinned over.

Do not substitute a tick for an observation: record the count, measurement, approved sample or evidence reference used at each checkpoint. Mark unresolved work as held and identify who can approve the recheck.

Diagnose a failure before repeating it

Observed symptom to investigate	Check the cause	Proposed response
New sealant peels at one edge	Review substrate preparation, compatibility and moisture record.	Stop use as appropriate and obtain product-supported corrective advice before repeating.
Damp patch returns beside the joint	Compare timing and location with the original observations.	Refer leak or waterproofing assessment rather than adding another surface bead.
Bead remains soft beyond expected conditions	Check batch, storage and actual cure conditions against PDS.	Keep use restricted and consult the product supplier; do not coat over uncured material.

These are diagnostic prompts, not proof of the cause in a real incident. Separate suspect output, record any correction and repeat the relevant acceptance check. Link rejected units, rework time, replacement materials, customer credits and collection delays to the actual job result.