
Original: $77.43
-70%$77.43
$23.23The Story
Birtley Heavy Duty Internal Wall Box Lintel SB140HD
Loadbearing Walls
Cavity: 140mm – Internal block wall (plastered)
Insulated version available.
Features
- We are the only lintel manufacturer to hot-dip galvanise after fabrication providing up to 50% more zinc protection than other approved coatings
- Supergalv coating offers a superior life expectancy
- Post-fabrication galvanizing leaves no surface with inferior paint protection
- Available in span lengths from 750mm to 3600mm.
Product Attributes

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Birtley Heavy Duty Internal Wall Box Lintel SB140HD
Loadbearing Walls
Cavity: 140mm – Internal block wall (plastered)
Insulated version available.
Features
- We are the only lintel manufacturer to hot-dip galvanise after fabrication providing up to 50% more zinc protection than other approved coatings
- Supergalv coating offers a superior life expectancy
- Post-fabrication galvanizing leaves no surface with inferior paint protection
- Available in span lengths from 750mm to 3600mm.






















