Birtley Heavy Duty Internal Wall Box Lintel 100mm SB100HD instamac A timeless choice for traditional

A timeless choice for traditional or contemporary settings

should be chosen in these and similar circumstances

This brick is manufactured to BS EN771-1

Versatile Sizing: The large size range (150-450mm) accommodates various design needs

🔹 What's in the Bag

Birtley Heavy Duty Internal Wall Box Lintel 100mm SB100HD instamac A timeless choice for traditionalThe Birtley Heavy Duty Internal Wall Box Lintel 100mm SB100HD is engineered for superior strength and durability, making it the ideal choice for single leaf internal walls. Crafted from structural grade mild steel (S275JR) and finished with a 65m hot dip galvanised coating, this lintel offers exceptional corrosion resistance and a long lifespan. Its robust design ensures a 60 minute fire rating when paired with a two coat plaster finish, providing