Steam and Sand porirua limited has one of New Zealand's largest blasting facilities and dedicated mobile crews servicing New Zealand wide - Steam and Sand Porirua Ltd offer a wide range of services and technical assistance to industry and the public.? Heavy Industrial Specialists? Corrosion Control? Abrasive Blasting? Zinc Arc Spray? Cast Iron Refurbishment? One of new Zealand's Largest Blasting Booths? All types of Industrial Wet Spray painting? Full On-site Service Available? All under One Roof 4, 000 sqm2? Concrete Sand blastingSteam and sand porirua limited have been servicing Wellington's Engineers for over 38 years