The R21 prestressed concrete lintel measures 140 x 220 x 3000mm and is designed to support masonry above suitable door, window and other structural openings.
R21 prestressed concrete lintel reference.
Cross-section: 140 x 220mm.
Overall length: 3000mm.
Designed for supporting masonry above suitable openings.
Textured concrete surface provides a suitable key for finishes.