Cavity Wall Lintels
Cavity Wall Lintels
Two Styles available for use in cavity wall construction: Catnic 'Cougar Open Back' lintels and CU lintels incorporate insulation, built in plaster key and built in DPC.
Cougar Open Back Lintels Typical applications
CG

- Triangulated masonry load
- Supporting uniformly distributed masonry load
- Supporting uniformly distributed timber floor and roof loads
- Suitable for fair faced inner leaf masonry
CGH
As above plus:
- Increased loading conditions
- Uneven loading situations
- Nominal point loading eg. Stair trimmers, stud partition supports, etc.
CL & CU

As above plus
- Supports concrete floors
- Attic truss loads
- Larger span multiple truss loads
Conditions of use
- Nominal 150mm end bearings
- Both leaves are raised together
- One course of block prior to installation of floor/roof
- Refer to 'Installing a cavity wall lintel'
Note: For a definition of these terms see the glossary of Technical Terms
Benefits

Material used in Lintels
The CG, CGH, CL and CU ranges are formed from galvanised steel, then powder coated.
Internal insulation
Maximising thermal efficiency, minimising cold bridging
Duplex corrosion protection
Ensures optimum durability and longevity
Easy to use open back profile
Allows masonry to be built up continuously on both outer and inner leaf.
Built in DPC
Saves time in construction, and means cavity is easy to clean without risk of damage to DPC
Built in plaster key
With staggered slots applied to the inner flange and ribbed underside of insulation (perforated steel baseplate on CL and CU range)
Accessories
ArchCentres, Stop Ends, Cavity Weep Vents, Soffit Cladding.
Search for Cavity Wall Lintels using the Catnic Lintel Product Selector