Description

• Intended use: Angled lintel intended for use above a metre box or other light duty applications. Made for 100mm masonry.
• Hot-Dip Galvanisation Process: Galvanised post-manufacture to create a thicker coating of zinc.
• Weight Capacity: Designed for areas not requiring intense load-bearing, light duty thickness (check table below).
• Fire Safety: A two-coat plaster finish provides the metre box lintel with a 60 minute fire rating.
• Size range: Available from 750mm – 2100mm.

Sizes above 1500mm must be propped.

The Birtley MBL kicks off Birtleys L shaped range of angled lintels and is an affordable answer to supporting metre box openings and other suitable light duty jobs. The MBL neatly sits inside 100mm brick work, adding increased support whilst remaining invisible from the outside. Coated in zinc, the lifespan and resilience of the MBL is significantly increased.

Materials

The Birtley MBL angled internal wall lintel, despite its lightweight and sleek profile, boasts impressive strength thanks to the robust characteristics S275JR steel offers. When installed correctly, the MBL guarantees an exceptionally long service life, which is further enhanced by Birtleys supreme, superior galv coating. The combination of the aforesaid provides extended durability and advanced protection, making the MBL a reliable purchase.

Installation and usage

The lightweight nature of the MBL makes it exceptionally easy to handle and install, simplifying the process for users. Installation of the metre box lintel is straightforward, requiring placement on a bed of mortar however any size over 1500mm needs to be propped to ensure full load bearing capacity. The lightweight design not only enhances ease of use, but also ensures the longevity and reliability of the angled lintel in various conditions.

Energy efficiency and sustainability

The MBL light duty L shaped lintel is designed with a minimal amount of material, which significantly reduces the use of environmentally harmful substances in comparison to competing products. This eco-friendly approach lessens the environmental impact, simultaneously demonstrating Birtleys commitment to sustainability.

Fire performance

Using the BS 476:Part 20: 1987 standards, the MBL achieves a 60 minute rating when finished with two coats of plaster; compliant with current building codes.