Birtley Heavy Duty Cavity Lintel 70mm HD70 Northcot These untreated oak sleepers will

These untreated oak sleepers will last much longer than softwood alternatives if left untreated

has a sandfaced finish and offers exceptional technical specifications of T2

Weight: 16

making it achievable for keen DIY enthusiasts

Birtley Heavy Duty Cavity Lintel 70mm HD70 Northcot These untreated oak sleepers willThe Birtley Heavy Duty Cavity Lintel 70mm HD70 is the best choice for heavy duty cavity wall support. Custom made to accommodate cavities ranging between 70mm and 65mm with 100mm outer and inner leaf respectively, this HD70 lintel can withstand the toughest construction demands. To maximise its effectiveness, it is important that the inner leaf is fitted with solid, fully jointed blockwork infill. The 70mm heavy duty lintel with Supergalv coating