Sources & illustrations

These primary references support the background explanations. Read the source for details, updates and exceptions.

Background reading

• US EPA: lead-safe renovations for DIYers
• US Department of Energy: windows and seals
• BEHR: product coverage information
• FrogTape: application and removal
• Purdy: paint care and cleanup
• Scotch: furniture felt pads
• DAP: example sealant technical sheet; always use the actual chosen product sheet

Original illustrations and examples

The subject illustration and guide diagrams are original vector drawings. Worked examples and practice exercises are original teaching material. They do not represent an experiment or a personal product test. We do not reproduce reference-site articles, photographs, dictionary definitions, music scores or puzzle answers.

Scope

Minor nonstructural household maintenance and material planning. No electrical, gas, plumbing, structural, asbestos or lead-removal instructions; no room-layout or storage-planning articles. Check product instructions and local requirements before working.

References checked on 18 October 2026. Product interfaces, regional advice and datasets can change after publication.