enveloped, a brand of number 8 marketing ltd (incorporated in 2008), provides solutions for high performance building. we supply, or supply and install a wide range of materials and systems focussing on improving the performance of construction. primarily sourced from germany, our solutions are suited for both retrofit and new build, residential and commercial. they are ideal for projects targeting certified passive house and/or homestar. have a look through our portfolio and read through our endorsements, then feel free to make contact.