All Hi-Spec lintels units are pre-stressed to ensure optimum performance and come with 30 minutes fire rating as standard. With a range of 18 different sections sizes and with lengths available from 450mm to 4800mm on certain sections sizes. Due to additives and concrete strength, these units are suitable for use below ground.
An ex-steel mould finish and made from wet cast concrete. Possibility of small air holes on the surface, aggregate and concrete fines to bottom arrises. For use normally in plastered/rendered situations.
Use the Hi-Spec lintels reference on our load tables (e.g. S5)