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

StructureStructure
EnclosureEnclosure
InteriorInterior
FinishFinish
ServicesServices
ExternalExternal
Privacy and Data Policy Terms of Use
© Quad Concepts Ltd.
APL Architectural Series ThermalHeart+® Sliding Doors
ALTHERM Window Systems
All products
Complete your window system with AGP glass, New Zealand's leading double-glazing technology Explore
ASTH SD1
Sliding door sill – single slider with applied facings
ASTH SD2
Sliding door sill with sill tray
ASTH SD3
Multi slider sill on sill tray
ASTH SD4
90° corner meeting stiles
ASTH SD5
Over-the-wall slider - single track
Description

APL Architectural Series ThermalHeart+® sliding doors have a flushline sill track with smooth sliding panels. They slide on an external track and are rated to 3.0m high. Interlocker stiles and mullions are flush in the closed position.

For best overall performance, pair with The AGP System® with Solux-E® or Solux Ultra® low-e glass.

Key Features
  • The sill frame has a flush track
  • Interlockers stiles and mullions are flush in the closed position
  • A bypass slider is available where two or more panels can be moved independently without a fixed panel
  • Corner sliding doors are available with no corner post (exterior and interior corners)
  • Sill tray and seismic frames are available
  • Wide opening is possible in bi-parting or multi-stacking configurations
  • Overwall and cavity sliding options are available
  • Maximum glass thickness of 32mm IGU — compliance with NZBC clause H1 Energy Efficiency requires high performing Low-E double glazing
Categories
Sliding Doors
Ranges
APL Architectural Series ThermalHeart+®
Scope of Use
  • Suitable for broad residential use, including in apartments and buildings over 10m in height
  • Available in defined maximum size
Limitations on Use
  • For true, flush indoor-outdoor levels consider recessing the sill into the floor pad to minimise or eliminate upstand
  • Sashes in sidelights need to be carefully considered and out of the travel path of the door panel
  • Recommended maximum 2.8m high doors in Extra High wind zones — for larger sizes
  • Compliance with NZBC clause H1 Energy Efficiency requires high performing Low-E double glazing
Statement of Building Code Compliance
  • Designed, tested and manufactured to meet NZS 4211: Specification for Performance of Windows, and NZS 4233: Glazing in Buildings, Parts 1-4
  • Conforms to all relevant NZ Building Code clauses
In-Service History
  • Launched in 2023
  • New range rolling out nationally
Other Performance Attributes
  • Window and door warranty provided under normal conditions of use against failure of materials and workmanship for a period of five years
  • Surface finish is covered by a separate performance warranty dependent on the actual finish selected. APL Architectural Series ThermalHeart+® products can have a different colour on the interior and exterior faces as an optional choice.
  • A hardware/componentry warranty is offered against defects in manufacturing, functionality and surface finish for a period of five years, provided care and maintenance guidelines have been followed
Documents
Full Specification Guide: APL Architectural Series ThermalHeart+®

2023

docx
Specification Guide: APL Architectural Series ThermalHeart+® Sliding Doors
docx
Span Tables
pdf
Data Sheet: APL Architectural Series ThermalHeart+®

2023

pdf
APL and Sustainability
URL
Declare Label
pdf
Manufacturer Contact List
URL
AGP Care & Maintenance
pdf
AGP Condensation Guide
pdf
AGP Visual Quality of Glass
pdf
Altherm Brochure
URL
Altherm Care, Maintenance & Warranty Brochure (with AGP)
URL
Altherm on Masterspec
URL
Calculate R-Value and Ug-Value
pdf
Specifier Guide

2023

URL
Specifier Guide: ASTH Sliding Doors
pdf
WGANZ Guide to E2/AS1
pdf
AGP State of the Art Glass Brochure
URL
EPD: Understanding the global standard
pdf
CAD/PDF Details
View full
TA44SD pdf
Architectural Series ThermalHEART® Sliding Doors - 44mm Platform

FULL SET

dwg
dxf
pdf
TA56SD pdf
Architectural Series ThermalHEART® Sliding Doors - 56mm Platform

FULL SET

dwg
dxf
pdf
Installation Details
View full
Filters
Frame Type
Clear filters
TAOW1P pdf
APL Architectural Series ThermalHEART® - Overwall 1 Panel Installation Detail

TAOW1P

dwg
pdf
TAOW2P pdf
APL Architectural Series ThermalHEART® - Overwall 2 Panel Installation Detail

TAOW2P

dwg
pdf
TAOW3P pdf
APL Architectural Series ThermalHEART® - Overwall 3 Panel Installation Detail

TAOW3P

dwg
pdf
TAOW4P pdf
APL Architectural Series ThermalHEART® - Overwall 4 Panel Installation Detail

TAOW4P

dwg
pdf
TA114SDBB pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Board & Batten

TA114SDBB

dwg
pdf
TA114SDBV pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Brick Veneer

TA114SDBV

dwg
pdf
TA114SDBW pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Bevelback Weatherboard

TA114SDBW

dwg
pdf
TA114SDFS pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Flat Sheet

TA114SDFS

dwg
pdf
TA114SDPM pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Profile Metal

TA114SDPM

dwg
pdf
TA114SDRW pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Rusticated Weatherboard

TA114SDRW

dwg
pdf
TA114SDST pdf
APL Architectural Series ThermalHEART® - 114mm Sliding Door on Stucco

TA114SDST

dwg
pdf
TA171SDBB pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Board & Batten

TA171SDBB

dwg
pdf
TA171SDBV pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Brick Veneer

TA171SDBV

dwg
pdf
TA171SDBW pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Bevelback Weatherboard

TA171SDBW

dwg
pdf
TA171SDFS pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Flat Sheet

TA171SDFS

dwg
pdf
TA171SDPM pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Profile Metal

TA171SDPM

dwg
pdf
TA171SDRW pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Rusticated Weatherboard

TA171SDRW

dwg
pdf
TA171SDST pdf
APL Architectural Series ThermalHEART® - 171mm Sliding Door on Stucco

TA171SDST

dwg
pdf
BIM
View full
114 facing
114mm Frame - Slider 44mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip
138 facing
138mm Frame - Slider 56mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip
171 facing
171mm Frame - Stacker 44mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip
207 facing
207mm Frame - Stacker 56mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip
171 channel
Channel Frame (Bipass) - 56mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip
56mm ow slider
OverWall Frame - Slider/Stacker 44mm & 56mm

ARCHITECTURAL THERMAL HEART

SLIDING DOOR

zip

Stylish contemporary lines, advanced thermal performance and precise detailing have made Altherm a trusted choice for architects and homeowners. Available as a complete window system with AGP glass.

Product Enquiries

News from ALTHERM Window Systems

The Creative Art of Downsizing
The Creative Art of Downsizing
ALTHERM Window Systems
September 2026 Case Studies
Award-Winning House Used Metro Series ThermalHeart+
Award-Winning House Used Metro Series ThermalHeart+
ALTHERM Window Systems
August 2026 Case Studies
Reworking a House on the Edge
Reworking a House on the Edge
ALTHERM Window Systems
June 2026 Case Studies
View all news

Popular Products from ALTHERM Window Systems

Commercial 80mm & 100mm Shopfront
Commercial 80mm & 100mm Shopfront
ALTHERM Window Systems
APL Architectural Series Sliding Windows
APL Architectural Series Sliding Windows
ALTHERM Window Systems
Metro Series Sliding Doors
Metro Series Sliding Doors
ALTHERM Window Systems

View all products

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.