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IV130 door

This PH130 system interior door is designed specifically for Passive House standards. It features an aluminum-clad wood construction, with a weather-resistant aluminum exterior and high-quality solid wood interior, combining aesthetics with superior performance. The entire door is certified by the German Passivhaus Institut (PHI), achieving an extremely low U-value (typically ≤0.80 W/(m²·K)) and exceptional airtightness (meeting Passive House criteria). Its triple sealing design and warm-edge technology glazing (if applicable) effectively block thermal bridges, ensuring stable indoor temperature, comfort, and significant energy savings. With smooth operation and durable hardware, it is the ideal choice for projects demanding ultimate energy efficiency and quality.

Performance
U-Factor (W m2- K)
0.77-0.87
SHGC
0.17-0.27
VT
0.30-0.37
Alr tightness(L/S- m2)
inf 0.16 / exf 0.11
Professoional Certificates
Certificates

80+
PRODUCT TEST REPORT
American standard
Australian standard
Canadian standard
New Zealand standard
Other countries’ highest standard certification.

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Color selection
External(Standard)
  • JN310O
  • white
  • JL324O
  • JM382O
Internal(Standard)
  • Oak101
  • Oak102
  • Oak103
  • Oak104
  • Oak105
  • Oak106
  • Oak107
  • Oak108
  • Oak109
  • Oak110
  • pine101
  • pine102
  • pine103
  • pine104
  • pine105
  • pine106
  • pine107
  • pine108
  • pine109
  • pine110
Cross-Sectional View

Recommended size of open cash

Sidelite & Transoms
  • 68内开门1
Glass Options
DECORATIVE AND SPECIALTY GLASS
TEMPERED GLASS

Tempered glass is a type of reinforced glass with 3-5 times the bending strength and 5-10 times the impact strength of ordinary glass. Our glass meets SGCC (USA) and AS2208 (Australia) standards. Its high load capacity makes it durable, and if broken, it shatters into small, harmless fragments for enhanced safety.

LOW-E GLASS

Low-E glass blocks infrared light from outside while retaining indoor heating and cooling energy, significantly improving energy efficiency and reducing HVAC costs. Our NFRC-certified Low-E options meet various SHGC and U-factor requirements for optimal performance.

WARM EDGE SPACERS

The spacer between glazing panes significantly impacts performance. Aluminum spacers, the standard choice, conduct heat 4,000-5,000 times more than insulation, causing edge condensation even in double glazing. Upgrading to warm edge spacers eliminates this weak point, improving thermal efficiency and preventing window crying.

LAMINATED GLASS

Laminated glass consists of two glass plies bonded with interlayers, creating a strong, uniform layer that holds together even when broken. Available in various thicknesses, it can incorporate coatings for insulation or low emissions. For specialized needs, PVB or SGP interlayers provide enhanced protection, including hurricane and bullet resistance.

Hardware
  • 00f85fdf-a8f8-4f12-abe0-736520d5019a - 副本
  • 37cbbfcf-c787-4edf-8f9d-773d54fba920 - 副本
  • cd4bc211-91e0-4b71-8d21-6f662323a006
Handle
  • ScreenShot_2026-03-27_112634_094
  • ScreenShot_2026-03-27_112655_600
  • ScreenShot_2026-03-27_112715_383
  • ScreenShot_2026-03-27_113312_870
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IV130 inswing door
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FAQs
  • Q
    What are the core energy-saving performance advantages of the passive interior door of the PH130 system?

    This door adopts a multi-chamber thermal insulation structure exclusive to passive buildings, combined with high-performance sealing strips and Low-E vacuum glass . Its U-value is as low as 0.9W/(㎡·K), which is far superior to the standard of ordinary energy-saving doors. Certified by NFRC for thermal performance and ENERGY STAR, the product fully meets the strict requirements of passive houses for ultra-low energy consumption of the building envelope

  • Q
    What glazing options are available? Is customization supported?

    We offer highly flexible glazing solutions that can be customized to meet the energy efficiency, safety, and acoustic insulation requirements of your project.

  • Q
    Do you provide product installation guidance or technical documentation?

    Yes. We can provide installation videos. Should you have any questions, please do not hesitate to contact us. We can also offer remote technical guidance for your team via online meetings.

  • Q
    Does your factory conduct factory inspections for potential clients? And what is the process like?

    We warmly welcome and encourage customers to conduct factory inspections. This is the best way to build trust. Please inform us in advance of your plans. We will assist you in obtaining the invitation letter and arrange a dedicated team to receive you.

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    • No. 26-2, 1st Floor, Kuiqi Road West Extension, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province, China
    • +86 13727521998
    • lyting@southholding.cn
    • Jocelyn Li
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      Contacts: Shanw Ho
      Contact Number: +86 13727521998