Sandwich panel walls in a wash-down room. How to specify the lining
Sandwich panels
In a room that is washed down regularly, start the wall panel specification with the person responsible for cleaning. List the cleaning products, methods of application and areas reached by water. The supplier can then assess the particular internal coating. Agree floor junctions, corners and pipe details with the installer at the same time. Water can collect there after cleaning, and an exposed edge can easily be overlooked. Use the points below to prepare the order and plan the first clean of the finished wall.
In this guide
Mark the wash-down area
Mark workstations, water points and drains on the plan. Distinguish splashes during use from planned washing of the entire wall.
Record how the floor is cleaned as well. The floor cleaner may regularly reach the base flashing and wall skin even when a different agent is specified for the wall.
Define how the cleaning agent is used
Give the product name, working concentration, temperature and contact time. The coating supplier needs the actual conditions to assess surface resistance.
Note whether cleaning is followed by rinsing and how often disinfection takes place. If cleaning is outsourced, have the contractor confirm the list of agents before ordering panels.
Specify the inner face
Specify external and internal coatings separately. Two white steel skins may use different coating systems. The manufacturer’s confirmation should identify the coating on the washed face.
If the client specifies a particular hygienic application, establish the documentation required for that use. Include joint finishes and components added after the panel is installed.
Trace water at the wall base
Check on the base detail where water running down the wall goes and whether it can reach the intended drain. Establish how the base trim connects to the floor finish.
Look behind equipment and into internal corners. At handover, check access using the cleaning tool the team actually uses there.
Inspect cut edges
Follow the service runs and mark where the skin has been cut. Check the edge treatment and compatibility of the seal at each penetration against the panel instructions.
Remove film remnants and drilling swarf according to the instructions before use. Record scratches so installation marks can be distinguished later from cleaning damage.
Brief the cleaning team
Include the agreed agents and application methods in the building instructions. For pressure equipment, use the settings approved for that skin and its joints.
After the first clean, let the wall dry and inspect the base and service penetrations. If the contractor changes cleaner later, check the new conditions of use against the coating confirmation.
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