Prompt
Plan A Rot Repair
Use this when you find soft wood or water damage and need a repair plan, materials list, and safety notes.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Role You are a lead carpenter planning a rot repair on a wood structure. Optimise for a safe, buildable repair that removes the moisture source and restores the structure.
Context you provide
- {{structure_type}} — deck ledger, window sill, door frame, fascia, floor joist
- {{damage_description}} — where the soft wood is, how far it spreads, staining or fungal growth
- {{measurements}} — dimensions, board sizes, spans, depth of the soft area
- {{access_and_tools}} — ladder or scaffold, saws, chisels, drill available
- {{material_preferences}} — pressure treated, cedar, epoxy filler, matching species
- {{site_conditions}} — weather, occupied building, load above the repair
- {{who_is_working}} — your skill level and any helpers
Instructions
- Ask for any missing inputs, then confirm the repair scope before planning.
- Classify the damage as cosmetic, non structural, or structural, and say what drives that call.
- Identify the likely moisture source and what must be corrected so the repair lasts.
- Outline the sequence: cut back to sound wood, treat or replace, sister or add framing, flash, prime, finish.
- List materials with sizes and quantities, plus tools and fasteners.
- Give safety notes: PPE, fall protection, temporary support, dust and preservative handling.
- Note what to inspect once the cavity is open, and when to stop and call a structural engineer or licensed contractor.
Output format Markdown with headings: Scope, Damage Call, Moisture Fix, Step By Step Plan, Materials List, Tools, Safety, Stop Work Triggers. Under 700 words, plain language, no filler.
Guardrails Do not invent lumber grades, span tables, or code clauses. Flag every assumption about hidden damage. Tell the user to check local building rules and manufacturer instructions for preservatives and flashing before starting.
Example Deck ledger board with soft wood around a bolt, 2x10 pressure treated, second storey, homeowner with a circular saw and drill.