Why is it important to do regular maintenance cleaning of your Home or Building?

Important Warranty Maintenance & Insurance Information
Insurance & Gradual Damage: Most policies don’t cover gradual damage like rot, rust, or leaks without proof of proper maintenance. They may only cover damage caused by sudden events, not neglect.
Read more: ICNZ Guide to Gradual Deterioration and Resultant Damage (PDF)
Warranty Maintenance: Paint and product warranties, such as for cladding, roofing, and decking, often require regular cleaning and treatment as part of their conditions. Always check the manufacturer’s guidelines to ensure you’re meeting their maintenance requirements. It could save you thousands.
House or Building Wash
What: Soft wash all exterior cladding, joinery, eaves, and soffits.
Why: Prevents costly damage from mould, mildew, and grime and protects warranties.
How Often: Every 12 months, or more frequently in coastal or shaded areas.
Gutter Clean
What: Clear gutters, downpipes, and spouting of leaves, moss, and debris.
Why: Prevents water overflow, internal water damage, and rotting fascia or soffits. It’s what you can’t see that does the damage.
How Often: At least annually. More often if large vegetation around property where gutters are prone to filling.
Roof Treatment
What: Apply moss and mould treatments.
Why: Prolongs roof life and supports product warranty terms.
How Often: Every 2 to 3 years. This will depend on how much natural sunlight the roof gets.
Driveway and Paths
What: Pressure wash all exterior ground surfaces, concrete, tiles, and pavers.
Why: Reduces slip hazards, removes unsightly buildup. Concrete is not usually black.
How Often: Every 12–18 months or more frequently in damp, moss-prone areas.
Decks and Fences
What: Clean timber or composite decking, re stain or paint as required.
Why: Protects against UV damage, rot, and slippery growth. Maintains safety and appearance.
How Often: Clean annually. Re stain or paint every 2–3 years depending on product and weather conditions. Check maintenance requirements of paints and stains.
Why It Matters
Protects Your Investment: Extends the life of your home’s surfaces and structures.
Supports Insurance Claims: Maintenance records may help validate claims for gradual or resultant damage.
Supports Warranty Compliance: Helps meet manufacturer maintenance requirements.
Improves Value: Keeps your home looking its best for resale or appraisal.