Differential Movement Calculator | Knight Designs
Reference ToolIndicative tool · BS EN 1995 / Eurocode 5 timber shrinkage & settlement

Differential Movement

Estimate timber-frame settlement relative to a surrounding masonry skin. Set storeys, top plates and floor zones; get a per-floor and total movement figure plus detailing guidance for cavity tray, sole plate and movement joints.

Knight Designs
Timber Frame Consultancy · Est. 2019
Technical Tool · 01
Differential Movement Calculator
Weybridge · Surrey · KT13 0YT

Differential movement at each storey

Frame ↓ Cladding ↑ Total Δ
Δ at eaves
0.0mm
total at top of frame
Frame Σ ↓
0.0mm
— storeys
Cladding ↑
0.0mm
brick · 1.0 mm/m
Frame height
0.0m
cill at — mm

Build-up

Inputs
Storeys
2
Cladding
Floor zone applied to every storey
0.00mm — mm cross-grain
Joist depth (mm)
Joist material
Plate (mm)
Top plates
Bottom plates
Cill height (mm above FFL)
Storey heights FFL to FFL · mm

Movement at each level

Cill / Eaves