With the installation of your HomePlus retrofit double glazed and/or secondary glazed windows you will enjoy increased interior warmth in winter and a reduction in noise. Simple maintenance of your windows will ensure you enjoy many years of increased comfort.


In general anodised/powder coated aluminium should be cleaned every three months in urban areas and every six months in rural areas. In industrial and marine environments (within 1km of the sea), monthly cold water washing cleaning, as well as six monthly warm water detergent washes are recommended.

Regular cleaning also gives you a chance to inspect the windows for any problems that need fixing.

1 - Carefully remove any loose deposits with warm water and a mild soap detergent. Start cleaning from the top of the building,
     cleaning downwards.
2 - Rinse with clean water and dry the glass with a clean and grit-free cloth or paper towel, remembering that
     ‘Wet glass is dirty glass’. 
3 - Ensure that all water and cleaning solution residue is dried from window sealants, gaskets and frames to avoid water spots.

DO check frame drainage to ensure no water is trapped in the window rebate.
DO NOT let any solvents come in contact with edge laminate interlayer or unit sealant on IGU (double glazed) units.

Washing Special glass; Metro Glasstech. http://www.metroglasstech.co.nz/products/glass-care.aspx


To comply with warranty requirements and to extend the effective life of anodised/powder coated finishes, very simple maintenance and regular visual inspections should be scheduled and undertaken.

In general, anodised or powder coated aluminium in urban areas should be cleaned every three months and every six months in rural areas. In industrial and marine environments (within 1km of the sea), monthly cold water washing as well as six monthly washes, with warm water & detergent, is necessary.

1 - Carefully remove any loose deposits with a wet sponge.
2 - Wash down using a soft brush (non abrasive) and a mild household detergent solution to remove dust, salt, dirt and other deposits.
3 - Anodised finishes with greasy deposits or hard to remove grime, should be cleaned with a soft cloth dipped in white spirit, turpentine or kerosene, then wiped with a dry rag.
4 - Rinse off with lots of clean fresh water.

DO remove obvious deposits as they occur.
DO NOT use abrasive steel wool, scrapers, scouring liquids or powders to remove paint splashes - these will damage your anodised/powder coating.
DO NOT use aggressive solvents, thinners, petrol etc, on powder coating as these solvents will attack gloss levels and reduce its life expectancy.
DO NOT let any solvents used on anodised finishes come in contact with any rubber components as they can degrade them.
DO NOT expose your anodised/powder coatings to excessive heat, heaters or hot air guns - these may damage the coating.


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