The candidate will be able to | Additional guidance to support learning outcome |
Describe the types of roof including:
- cold deck roof, warm deck roof, inverted warm deck roof, and green (garden) roof
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Photos/illustrations/videos
Sample displays of roofing materials and equipment
Actual tools and equipment
Photos/illustrations/videos
Manufacturer’s operating & maintenance manuals
Manufacturer’s brochures
Catalogues
Good and bad practice
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Describe the ancillary components including: walkway finishes, membrane coated metal profiles, detailing, roof protection
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Describe roof falls and drainage including:
- ponding, climate (rain/ice/snow/wind), layouts (gutter, inwards, outwards), crickets (valley, skirtings, outlets), rainfall intensity (design rate, catchment calculations, discharge calculations)
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Describe substrates including:
- types (metal, concrete, wood), preparation, and installation methods (new and existing roofs)
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Describe vapour control layers (VCL) including:
- types (loose laid, torch-on, self-adhesive), functions, control of condensation, and installation methods
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Describe insulation including:
- types (thermal, acoustic, fibrous, cellular), properties, substrate, drainage, crickets, and installation methods
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Describe waterproofing membranes including:
- types (thermoplastic, elastomeric, thermoplastic/elastomeric), properties, suitability, manufacturing processes, fixing methods (mechanical, adhered, loose laid, ballasted), and installation methods
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Describe resistance to loads and foot traffic including:
- extent, frequency, types (people, vehicles, static, dynamic), damage (abrasion, indentation, movement) and resistance measures (extra layers, walkway tiles, raised walkways
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Describe resistance to external fire including:
- building regulations, penetration, and spread (external, internal, beneath, within)
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Describe attachment methods including:
- fasteners, adhesive bonding, ballast, suitability, combined methods, substrates, regular/special membranes, and stress plates
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Describe jointing techniques (pre/seam/tee/lap/spot/butt) using automatic and hand equipment including:
- hot air welding, adhesives & tapes, and solvent welding
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Describe tools and equipment including:
- mechanical fixing/equipment, welding, solvent welding, adhered membranes, sundries, and electrical (generators, transformers, extensions)
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Describe maintenance and refurbishment including:
- programme, budget, roof inspection, proactive, reactive, building, manual, warranties & guarantees, safe access, internal/external inspection reports, integrity testing (flood, earth leakage LV & HV, vacuum testing), and moisture detection (infra-red, capacitance, and hydrogen ion)
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Describe and know where to find the main legislation, codes of practice, standards, and guidance
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Sample documents/extracts (print/PDF/web)
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