Distance rings. Btisolatsioon is a manufacturer of industrial insulation sheet metal products and distance rings. Our workshop with the total area of 1000 m² is situated in Laagri at the border of Tallinn. Main production in workshop are distance rings, aluminium products, flange valve boxes, cladding parts for piping. Moreover, we also manufacture a variety of components according to the customer’s specifications. Prices are given in euros and does not include VAT.