Birtley Internal Wall Box Lintel 100mm SB100 Arranwood which ensures high insulation performance

which ensures high insulation performance in cavity walls

simplifying the installation process

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making them ideal for both DIY applications and for the discerning tradesperson

Birtley Internal Wall Box Lintel 100mm SB100 Arranwood which ensures high insulation performanceThe Birtley Internal Wall Box Lintel 100mm SB100 are a reliable solution for standard duty, internal wall box lintels. Perfect for load bearing block walls, these 100mm box lintel offers more insulation. Birtley offers a clear advantage over traditional steel lintels with its unique, post fabrication hot dip galvanisation that creates nearly 50% more zinc protection compared to other approved coatings used in conventional structural lintels. The