Ecological Building Systems supplies a bespoke range of diffusion open natural insulations and air and windtight building membranes, tapes and seals to the UK and Irish market. Our technical expertise and leading range of ecological products provide the highest specifications for diffusion open, healthy, passive and low energy sustainable buildings. We are sole distributors for pro clima; GUTEX wood fibreboards; Elka Strong Board, diffusion open structural wood particle board; Thermo Jute 100, natural insulation made from Jute; Wellhofer pre-insulated airtight attic hatches; Optime downlight protector housing units; Calsitherm Climate Board, internal calcium silicate insulation and Diasen, cork and lime thermal plaster. The company is pleased to announce that the pro clima Airtightness System - Intello Plus and tapes, TESCON VANA and CONTEGA SOLIDO SL have recently received approval from the Passivhaus Institute as a certified Passivhaus Component.