It’s a reasonable DIY project, no especially tools or skills required. Just follow best practices and don’t take shortcuts.
Tools: string line or laser level, 4’ level, hammer, skill or chop saw.
Remove existing siding.
- Repair any deteriorated sheeting and house wrap, if no house wrap exists, add it now.
- Blue skin around windows and door openings, tape seams.
- If you want extra insulation, add rigid foam over housewrap.
- Tape and seal seams.
- Vertically strap for better ventilation and moisture protection
- Nail up siding following manufacturer installation guide ( seams, fastener placement and tightness, corners)
Labor costs can exceed material cost, so there is a big savings in DIY.