Specifications
This page is the technical hub for KC systems. Therefore, you can compare build-ups, options and performance paths before requesting a quote pack.
Local context examples: Cardiff / Caerdydd (Wales), Edinburgh / Dùn Èideann (Scotland), Manchester (Greater Manchester), Bristol (Somerset).
Specifications by system
Start with the system. Then compare option paths. Consequently, you’ll know what to request in the quote pack.
ISO Frame Systems (verified)
Standard, REI60 fire-rated, and Part L 2021 A-rated paths with hard build-ups.
Custom Modular Systems
Specification is project-led. Therefore, we confirm the final build-ups in the quote pack.
Need help choosing?
Tell us the use case and postcode. Then we recommend the system and option path.
ISO Frame — verified master specification
Standard, REI60 fire-rated, and Part L 2021 A-rated paths. Therefore, you can request the exact option set that matches your project brief.
| Spec area | STANDARD ISO FRAME UNIT | REI60 FIRE-RATED ISO UNIT | PART L 2021 — A-RATED UNIT |
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| Manufacturing & compliance |
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| Structure |
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| Roof build-up |
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| Wall build-up |
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| Floor construction |
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| Floor finish (standard) |
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As specified (project dependent) | As specified (project dependent) |
| Windows |
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As required by fire strategy and specification path |
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| Doors |
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As required by fire strategy and specification path | Glazed openings per Part L path (see upgraded openings) |
| Electrical (UK standard) |
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Full 230V electrical system (project dependent) | Full 230V electrical system + heat pump integration (project dependent) |
| Heating / Cooling | Convector heaters | As specified (project dependent) | 4.5 SCOP Air-Air Heat Pump (heating/cooling) |
Need this spec inside a formal quote pack? Request a quote and we will confirm the exact option path for your project. Typical quote response within 48h. Primary phone: 01782 561110.
ISO Frame colour options (verified RAL lists)
These colour lists are verified for ISO Frame. Therefore, you can request frame and panel colours confidently in your quote pack.
Frame RAL options
Available frame colours: 3000, 5010, 7016, 7035, 9002, 9010.
Wall panel RAL options
Available wall panel colours: 5010, 7016, 7035, 9002, 9010.
What you receive in a KC quote pack
The quote pack turns specifications into a decision-ready scope. Therefore, it supports approvals and reduces misunderstandings.
- System selection and option path (e.g., Standard / REI60 / Part L 2021).
- Specification summary aligned to intended use.
- Inclusions and exclusions, plus assumptions.
- Delivery and installation approach (including phasing where needed).
- Next steps list for site readiness (access, groundworks, utilities).
Typical quote response within 48h (Mon–Fri) once we have your use case, size/layout and postcode.
Related technical pages
If you need delivery method or compliance context, use the pages below.
Delivery & Installation
Access planning, crane requirements, foundations and service connections. Therefore, site readiness stays clear.
Compliance & Regulations
Baseline UK references and how we structure assumptions for your sector and intended use.
Systems pages
ISO Frame for repeatable delivery. Custom Modular for architectural outcomes and bespoke layouts.
Useful official references
These are non-competitor authorities commonly referenced in UK projects.
Specifications — FAQ
Short answers designed for Google snippets and AI search.
How do I choose between Standard, REI60 and Part L 2021?
Can I request a specific RAL colour?
How quickly will you respond with a quote?
Where do I find delivery and compliance information?
Need a spec-matched quote pack?
Send your brief — we’ll confirm the right system and option path. Typical quote response within 48h (Mon–Fri).