The SB140HD Heavy Duty Steel Internal Wall Box Lintel designed specifically for loadbearing walls with a cavity depth of 140mm. This robust lintel provides exceptional strength and stability for internal block walls, ensuring a safe and reliable structure.

Brand Name	Birtley Lintels
Colour	N/A
Material	Mild Steel
Manufacturer Model No	203/093/04312
Wear Type	N/A
Type	Box Lintel
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Designed for	load-bearing internal block walls
Coating	Supergalv coating offers up to 50% more zinc protection than standard coatings
Fire Rating	Offers a fire resistance rating of up to 60 minutes with a two-coat plaster finish