Archtoolbox: The Online Technical Resource for Architects
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Our Most Popular Articles
- Calculating Slope and Common Slopes in Architecture
- CAD Scale Factors
- Concrete Block Sizes and CMU Dimensions
- R-values of Insulation and Other Building Materials
- MasterFormat Specification Divisions (CURRENT)
- Dimensional Lumber Sizes: Nominal vs. Actual
- Converting Between Drawing Scales
- Free Online Building Codes
- Paper Sizes
- Construction Document Sheet Numbers and Sheet Order
Our Most Recent Articles
- How to Set Up Your Website Portfolio for Architects
- LEED Exam Study Guides and Practice Tests
- Dimensional Lumber Sizes: Nominal vs. Actual
- Architect Registration Exam (ARE) Study Guides and Prep
- Architect Credential Info by State: CEU, Stamps, Fees, Renewals
- Architectural Acoustics - Acceptable Room Sound Levels
- Recommended Lighting Levels in Buildings
- Floor Slip Resistance: SCOF vs DCOF (Coefficient of Friction)
- Electrical Conduit Types
- Spray Applied Fireproofing