Common Operational Challenges
Physical and chemical factors that dictate surface preparation and system selection in this environment:
- •Sub-zero temperatures causing conventional epoxy coatings to become brittle, crack, and delaminate
- •Severe thermal shock when freezing cold floors are washed with hot water or steam sanitizing jets
- •Constant condensation on insulated sandwich panel joints leading to mould and bacterial harborage
- •Continuous moisture and heavy forklift traffic with grooved rubber wheels transporting pallets
- •Inability to completely decommission operational cold rooms for weeks for standard coating cures
Compliance & Quality Benchmarks
Technical standards and regional regulatory frameworks relevant to coating and safety specifications for this sector:
Substrate Preparation, Coating Chemistry & Maintenance Protocols
Cold Chain Floor Integrity and Thermal Shock Resilience#
Horticultural packhouses, avocado ripening facilities, pharmaceutical cold stores, and meat processing facilities at Jomo Kenyatta International Airport (JKIA) cargo village, Naivasha, Nakuru, and Athi River operate at temperatures ranging from minus 25 degrees Celsius in blast freezers to plus 4 degrees Celsius in holding cold rooms. Standard epoxy floor paints become glassy and brittle below zero, cracking under forklift impact. Furthermore, when cold floors are washed with hot steam sanitizing water, severe thermal shock delaminates conventional epoxies. Sienna applies heavy-duty polyurethane resin screeds engineered for extreme thermal cycling.
Thermal Shock Resistant Polyurethane Screeds (Minus 40C to Plus 120C)#
We install 6mm to 9mm heavy-duty polyurethane screeds whose thermal expansion coefficient closely matches that of the underlying concrete slab. When subjected to rapid thermal shock: such as washing a freezing floor with hot 80 degrees Celsius water: the resin screed expands and contracts in harmony with concrete without debonding. It remains flexible and impact-resistant down to minus 40 degrees Celsius, enduring continuous heavy pallet jack traffic.
Monolithic Hygienic Coving and Food Safety Sanitation#
Insulated sandwich panel cold rooms feature a 90-degree angle where walls meet the floor. This junction collects condensation, dirt, and Listeria bacteria. Sienna forms seamless 50mm to 75mm radius resin coving that sweeps smoothly from floor to wall, eliminating sharp corners. The resulting monolithic surface complies with ISO 22000 and BRC global food safety standards and is easily cleaned during routine washdowns.
Fast Low-Temperature Curing for Operational Cold Stores#
Shutting down commercial cold storage for weeks spoils valuable fresh produce inventory. Sienna utilizes advanced polyurethane and polyaspartic resin chemistries capable of curing down to zero degrees Celsius within 24 to 36 hours. This enables cold storage operators to refurbish floor bays during brief weekend maintenance windows without completely decommissioning surrounding temperature-controlled chambers.
Recommended Contracting Services for Commercial Cold Storage & Horticultural Packhouses
Specialized application teams equipped for substrate profiling, moisture testing, and technical execution.
Heavy-Duty Polyurethane Screeds & Floor Coatings
Heavy-duty polyurethane resin screeds, thermal shock flooring (-40C to +120C), and food-grade hygienic finishes for commercial kitchens and processing plants across Kenya.
Seamless Industrial Epoxy & PU Flooring
High-build seamless epoxy flooring, self-smoothing screeds, and chemical-resistant floor coatings for warehouses, manufacturing plants, automotive workshops, and commercial facilities across Kenya.
Road Marking & Industrial Floor Demarcation Contracting
High-build chlorinated rubber and epoxy safety walkways, forklift traffic lanes, and loading bay stenciling for industrial facilities and car parks across Kenya.
Surface Preparation & Diamond Grinding
Heavy-duty mechanical diamond grinding, paint stripping, floor tile glue removal, crack chase injection, and masonry skimming to ensure sound substrate bonding across Kenya.
Frequently Asked Questions : Commercial Cold Storage & Horticultural Packhouses
Conventional epoxies become brittle in sub-zero temperatures and possess a different thermal expansion rate than concrete. When exposed to freezing temperatures or hot water cleaning, thermal shock breaks the bond between epoxy and concrete, causing the floor to crack and peel. We install heavy-duty polyurethane screeds engineered specifically for thermal cycling.
Our 6mm to 9mm heavy-duty polyurethane resin screeds endure temperature extremes from minus 40 degrees Celsius in blast freezers up to plus 120 degrees Celsius during hot water steam sanitization, without softening, blistering, or cracking.
We install seamless polyurethane radius coving (50mm to 75mm radius) that curves smoothly from the floor up the insulated panel base. This eliminates 90-degree corners where dirt, moisture, and Listeria bacteria accumulate, making floors completely compliant with BRC and ISO 22000 standards.
Yes. We use rapid-curing polyurethane screeds and fast-set polyaspartic resin chemistries that cure down to zero degrees Celsius, enabling light foot traffic within 12 hours and full forklift loading within 24 to 36 hours, minimizing operational downtime.
No. Our cold storage polyurethane and epoxy systems are 100 percent solvent-free and non-tainting. They emit zero volatile organic compounds (VOCs) and will not impart odours or chemical residues to fresh fruit, vegetables, flowers, or dairy products.
Yes. Polyurethane resin screeds achieve exceptional compressive strength (55 to 65 N/mm2) and impact toughness. They absorb heavy rolling point loads from pallet jacks and high-reach reach trucks without rutting, chipping, or shattering.
Yes. Our seamless, non-porous antimicrobial polyurethane floor finishes meet all sanitary requirements under KEPHIS export guidelines, GlobalG.A.P., and European supermarket audit protocols.
Formal Specifications & eTIMS Invoicing
We supply complete compliance documentation including KRA PIN, eTIMS compliant receipts, Technical Data Sheets (TDS), and structured proforma scheduling for commercial facilities across Kenya.