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Scaffolding Chutes?
For debris removal
Dust Sheets / Site Prep?
Interior protection
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Batten quantity and membrane rolls are auto-calculated from roof area (Module 3). Override by typing directly.
OSB / Sacking Required?
Structural boarding under felt
1 box per 25m² — override if needed
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Solar Panels Present?
Flag for surveyor notes
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Dry Ridge System?
Mechanical fix — no mortar
Valleys Required?
GRP or lead valley troughs
Hips Required?
Hip tiles or Hip B Ends
Dry Verge System?
Uni-click or similar
Bonding Gutter Required?
Lean-to / abutment wall gutter
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Chimneys Present?
Includes leadwork & roughcast
Additional Lead?
Valleys, abutments, soakers
Mac Flash Required?
Self-adhesive flashing tape
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PVC Roofline Required?
Guttering, fascia, soffit