You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

InteriorInterior
Residential Series ThermalHEART Bi-Fold Doors & Windows
Residential Series ThermalHEART® Bi-Fold Door — Open Out On Board & Batten Cavity Construction

TRBDBB

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Brick Veneer Cavity Construction

TRBDBV

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Bevelback Weatherboard Cavity Construction

TRBDBW

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Flat Sheet Cavity Construction

TRBDFS

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Profile Metal Cavity Construction

TRBDPM

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Rusticated Weatherboard Cavity Construction

TRBDRW

Residential Series ThermalHEART® Bi-Fold Door — Open Out On Stucco Cavity Construction

TRBDST

Stylish contemporary lines, effective thermal technology and unwavering attention to detail have made Altherm a favourite with architects, designers and homeowners across New Zealand.

Product Enquiries

News from ALTHERM Window Systems

Extended Play: A 1940s Home Renovation with Altherm
APL Offers Klima uPVC Replacement Frames as an Attractive Alternative to Traditional Timber Joinery NEW
Ōtautahi Christchurch’s Personal Best, with Altherm Window Systems
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.