Building Tolerances
Sponsored Links
Typical building tolerances are indicated below:
Floors, Flatness
Measured over a 3 m long straight edge:
- Concrete, in situ : 5 mm
- Floor screed : 5 mm
Wall Vertical
- Brickwork : 10 mm
- Blockwork : 10 mm
- Concrete, in situ : 17 mm
- Concrete, precast : 11mm
Column Vertical
- Steel : 6 mm
- Timber : 10 mm
- Concrete, in situ : 12 mm
- Concrete, precast : 10 mm
Space between Walls
- Brickwork : 20 mm
- Blockwork : 21 mm
- Timber : 30 mm
- Concrete, in situ : 24 mm
- Concrete, precast : 18 mm
Space between Columns
- Steel : 12 mm
- Timber : 12 mm
- Concrete, in situ : 18 mm
- Concrete, precast : 13 mm
Beams, Vertical Position
- Steel : 20 mm
- Timber : 20 mm
- Concrete, in situ : 22 mm
- Concrete, precast : 23 mm
Floors, Vertical Position
- Concrete, in situ : 15 mm
- Concrete, precast : 15 mm
Plan Position
- Brickwork : 10 mm
- Steel : 10 mm
- Timber : 10 mm
- Concrete, in situ : 12 mm
- Concrete, precast : 10 mm
Sponsored Links
Related Topics
• Miscellaneous
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
Related Documents
Drawing Scales
Commonly used blueprint drawing scales.
Drawings - Standard Metric Sizes
Standard metric drawing sheet sizes.
Machine Processing - Tolerance Grades
Machine processing and tolerance grades.
Paper Drafting Sizes - Comparing ISO and U.S. Drawing Sheets
ISO vs. U.S. and Canadian drawing sheets.
Roof Framing
Run, roof slope, gable height and gable area.
Scales of Objects
The relative scale of objects.
Staircases Calculator
Calculate steps, unit rise and run in a staircase.
Surface Roughness vs. Abrasive Grain Size
U.S. mesh size vs. surface roughness.
Surface Roughness vs. Mechanical Processing
Mechanical production methods and their surface roughness.
US Standard Architectural Drawing Sizes
US architectural drawing sizes and formats.
Walls - No. of Studs
Calculate required number of studs in a wall.
Sponsored Links