Watch: Building suffers major damage after fire

A building has suffered major damage after a fire ripped through it on Thursday morning.

Four crews battled the blaze at Blacks Fasteners, on Blenheim Rd, near the intersection of Nga Mahi Rd, which happened at about 6.20am.

Multiple crews were called to the blaze on Blenheim Rd at about 6.20am. PHOTO: ANDREW KING

A police officer on scene said the fire does not appear to be suspicious.

Crews were still dampening down hot spots at about 7am.

Detours were in place on Blenheim Rd at the intersection with Curletts Rd, but have since been reopened.