On the Detail Library, this month we’re pleased to share a comprehensive new set of construction details showcasing best-practice design and build-ups for Porotherm clay block systems.
Porotherm is a precision-engineered clay block walling system that delivers fast construction, high thermal performance, and robust airtightness. These details are designed to support good practice implementation across a range of junctions — from ground-bearing slabs and party walls to eaves, windows, and doors. This is part one of a two part set.
Focusing on a range of cavity Porotherm wall types details, this set consists of:
- Porotherm Wall to Window Head and Cill
- Porotherm Wall to Window Jamb
- Porotherm Wall to Eaves with Over Rafter Insulation
- Porotherm Wall to Ventilated Loft Eaves
- Porotherm Wall to Ground Bearing Slab with Below Slab Insulation
- Porotherm Wall to Beam and Block Floor
- Porotherm Wall to Intermediate Floor with Joist Bearing
- Porotherm Wall to Party Wall (Plan View)
- Party Wall to Ground Bearing Floor Slab
- Porotherm Wall to Internal Wall (Plan View)
- Porotherm Wall to Door Head and Threshold
If you’re working on a project using Porotherm systems, these details are an excellent resource to help meet performance standards while achieving speed and efficiency on site. We hope you find them useful.






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Emma, your work on details is great. I wish someone was doing a similar effort in the US for wood-frame construction, do you know if that’s the case? Best, Vincent
Hi Vincent, thank you for your kind words! Unfortunately, we are unable to advise on where you could find a similar resource in the US – sorry about that :(