A continuous ‘system’
that delivers on U-values
Protects from the effects
wind driven rain.
A high performance composite
with a lambda value of 0.021W/mK
Built-in Full Fill
Wall Insulation
A Full Range of Innovative
Detailing Accessories
Learn more about
CavityTherm.
See facts & figures on
how CavityTherm performs.
Download CAD files of all
CavityTherms accessories.
Get size and dimension
specifications
Accredited Detail for
Constructions (ACDs).
Download BIM objects of all
CavityTherms Accessories.
Watch how
CavityTherm is installed
See photos of how
CavityTherm is installed
Frequently Asked Questions
& Technical Help
Your guide to best practice installation
Avail of our educational resources
Xtratherm CavityTherm
Accredited Details
Click on the files below to download a CAD drawing of the available details.
All of the details are based on the accredited details for construction published by DCLG.
Insulated party wall with insulated floor
Other lintels including steel lintels (Separated)
Roof (Insulation at ceiling level)
Other lintels including steel lintels (Box lintel)
Other lintels including steel lintels (Checked) (Separated)
Other lintels including steel lintels (Checked) (Box lintel)
Sill
Sill (Checked)
Sill (Forward Detail)
Jamb
Jamb (Checked)
Ground floor (Insulation above slab)
Ground floor (Insulation below slab)
Ground floor (Beam & block floor with beams perpendicular)
Intermediate floor within a dwelling (Concrete)
Intermediate floor within a dwelling (Timber)
Intermediate floor between dwellings (Concrete)
Intermediate floor between dwellings (Timber)
Eaves (Insulation at ceiling level)
Gable (Insulation at ceiling level)
Flat roof
Flat roof with Parapet
Corner (Normal)
Corner (Inverted)
Party wall between dwellings