
Innovating
Finding better ways
to build for tomorrow Hi-therm Lintels
are 500% more
thermally efficient
than a standard
steel lintel 

Responding
Our response times keep
your business moving Keystone offer instant
technical support & fast
turnaround on schedules Solving
Our design engineers
will always have
a solution Our patented brick slip
masonry support system
is both effective and
highly efficient 
Delivering
No one gets special
lintels to site quicker Keystone turn around
special lintel orders
in days not weeks 
HI THERM
LINTEL
Completely unique lintel to address the thermal requirements of new building regulations
STANDARD
LINTELS
Keystone produce a wide range of standard galvanised steel lintels.
STAINLESS
STEEL
Providing the same high quality & performance features as our standard galvanised lintels
SPECIALS
LINTELS
Complete custom design service to ensure your project has the best lintel for the job
BRICK SLIP
FEATURE LINTELS
A one piece, prefabricated unit with factory applied brick slips
MASONRY
SUPPORT SYSTEMS
The innovative Qwik-Fix angle provides a versatile solution when masonry support is required
WINDPOST
SYSTEMS
Setting the standard for windpost systems for a range of building frame configurations
CAVITY
TRAYS
Lightweight, simple to install & long-lasting solution to preventing dampness below the roof line
Part of The Keystone Group