Knowledge Centre

Practical guides for homes that need to breathe

Clear explanations of damp, lime plaster and insulation for Victorian and traditionally constructed solid-wall homes.

Damp diagnosis

Why is my Victorian house damp?

A step-by-step guide to separating leaks, rain penetration, condensation, bridging and ground moisture before specifying repairs.

Read the damp guide
Material choice

Lime plaster vs gypsum and cement

How the materials differ in moisture movement, flexibility, drying and suitability for older solid-wall construction.

Compare plaster systems
Solid-wall retrofit

Breathable internal wall insulation

What to assess before installing wood fibre or insulating lime systems, including moisture, junctions and historic details.

Read the insulation guide

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