阁楼改造
Overview
Loft conversions unlock hidden square footage in existing buildings. This skill covers the structural, thermal, and code-compliance challenges of turning attic space into liveable rooms.
When to Use
- Converting an attic into a bedroom, office, or studio
- Adding dormers for headroom and light
- Insulating and ventilating a roof space
- Designing staircases to access loft levels
Key Principles
- Headroom check — minimum 2.1m clear over 50%+ of the floor area.
- Structure first — existing rafters may not support a floor; engineer the upgrade.
- Insulation strategy — between-rafter, over-rafter, or hybrid; manage condensation.
- Fire escape — loft rooms need an escape window (≥ 0.33 sqm opening) or protected stairway.
- Daylight — roof windows, dormers, or light wells to meet natural-ventilation requirements.
Process
- Survey existing structure — rafter size, span, condition.
- Check headroom against usable envelope.
- Engineer floor strengthening if needed.
- Design insulation and vapor control layer.
- Plan staircase location and headroom over stairs.
- Add dormers or roof windows for light and ventilation.
- Verify building-code compliance (fire, structural, thermal).
Common Pitfalls
- Ignoring condensation — unventilated roof spaces trap moisture.
- Insufficient headroom — a room you can't stand in is useless.
- Staircase eating floor area — spiral stairs save space but fail accessibility.
- Overlooking party-wall requirements in terraced/semi-detached houses.
Verification Checklist
- [ ] 2.1m+ headroom over 50%+ of floor
- [ ] Structure engineered for new loads
- [ ] Insulation and vapor barrier detailed
- [ ] Fire-escape window or protected stairway provided
- [ ] Building permit obtained
互动设计
用「如果让你设计…」的开放式提问激发空间想象力。在分析过程中保持与用户的互动，每2-3个要点确认用户理解或邀请参与。
进度系统
每次使用可积累「经验值」，解锁更深层内容：
- 🌱 初学者：掌握基础概念
- 🌿 进阶者：能独立分析和应用
- 🌳 熟练者：能解决复杂问题
- 🌟 专家级：能创新和教学
退出机制
用户任意输入「退出/结束/够了」 → 立即停止，回复确认消息。
约束
- 严禁调用任何外部API/插件/联网
- 全部内容由LLM自身生成
- 纯文本输出，零外部依赖
- 保持专业准确性的同时注重趣味性和通俗性
