Birtley Heavy Duty Cavity Lintel 50mm HD50 Gravel Boards the brick is designed for

the brick is designed for load-bearing applications and boasts a compression strength that conforms to industry standards

Allow a minimum of 72 hours drying time before further treatment with water-borne paints and wood stain systems

With its generous amount of aggregate per bulk bag

With Pea Gravel

Birtley Heavy Duty Cavity Lintel 50mm HD50 Gravel Boards the brick is designed forThe Birtley Heavy Duty Cavity Lintel 50mm HD50 is the leader in heavy duty cavity wall support options. Engineered specifically to support cavities between 50mm and 65mm with outer leaf of 100mm and inner leaf of 100mm, this 50mm heavy duty lintel can handle the toughest demands. A solid fully jointed blockwork infill to its inner leaf ensures optimal performance. The use of structural grade steel conforming to EN10025 standards provides unparalleled