Detail Library – New Details March 2026
House Extensions BLOG

On the Detail Library, we’re excited to release a comprehensive Passivhaus twin stud timber frame detail set, designed to support Passivhaus projects and ultra-low energy buildings.

Passivhaus represents the gold standard in energy-efficient construction, requiring exceptional attention to thermal performance, airtightness continuity, and thermal bridge-free detailing. This new set provides thoroughly developed junctions for twin stud timber frame construction.

Details included in this set:

  • Passivhaus Twin Stud Timber Frame Floor to Wall – Insulated Raft
  • Passivhaus Twin Stud Timber Frame Floor to Wall – Beam and Block Floor
  • Passivhaus Twin Stud Timber Frame Wall to Window Head and Cill
  • Passivhaus Twin Stud Timber Frame Wall to Window Jamb
  • Passivhaus Twin Stud Timber Frame Wall to Door Head and Threshold
  • Passivhaus Twin Stud Timber Frame Wall to Door Jamb
  • Passivhaus Twin Stud Timber Frame Wall to Door Head and Threshold – Beam and Block Floor
  • Passivhaus Twin Stud Timber Frame Wall to Internal Wall
  • Passivhaus Twin Stud Timber Frame Wall Corners – Internal and External
  • Passivhaus Twin Stud Timber Frame Wall to Intermediate Floor
  • Passivhaus Twin Stud Timber Frame Wall to Pitched Roof Eaves Cold Roof
  • Passivhaus Twin Stud Timber Frame Wall to Pitched Roof Eaves Warm Roof
  • Passivhaus Twin Stud Timber Frame Wall to Flat Roof Eaves

We hope you find this latest set useful in your projects.

PHT35 Passivhaus Twin stud timber frame floor to wall - insulated raft
PHT37 Passivhaus Twin stud timber frame wall to window head and cill 3d
PHT45 Passivhaus Twin stud timber frame wall to pitched roof eaves cold roof
PHT35 Passivhaus Twin stud timber frame floor to wall - insulated raft 3d
PHT37 Passivhaus Twin stud timber frame wall to window head and cill
PHT45 Passivhaus Twin stud timber frame wall to pitched roof eaves cold roof 3d

Latest Article

This month’s article explores the lesser-known area of Publicly Available Specifications, or PAS. 
PAS documents can be extremely useful sources of information, but beware – they often have a short shelf life. Part of the challenge is keeping up to date – so if you have one takeaway from this article, it is to check your library of documents and replace anything that has become superseded.
Why We Model Buildings FI

If you are interested in joining our community, head over to the Detail Library to learn more about our platform and get yourself signed up.

The Detail Library provides hundreds of construction details for you to download and use adjust for your own projects. The details are available in 2D Revit, CAD dwg, and 3D SketchUp. You can start downloading straight away and build your own detail reference library. Not like other BIM libraries, the Detail Library contains fully resolved details rather than individual components.

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