Tested & Proven

Terra Lana's ceiling insulation, wall insulation and underfloor insulation products were developed and tested by the Wool Research Organisation of New Zealand (WRONZ, now AgResearch) a world authority on the treatment and processing of wool.

Terra Lana products are BRANZ appraised

Terra Lana's core products have been appraised by the Building Research Association of New Zealand (BRANZ). Terra Lana produces other products in the range with different sizes and R Values but all are manufactured using the same raw materials and manufacturing techniques to the same high standard.