Deck Railing Height: Guardrail Code Requirements for Decks, Balconies and Porches
A house deck needs a 36 inch guard once it is more than 30 inches above grade, but stairs, balconies, commercial terraces and...
Sinan Ozen8 Mins read
Standard Window Sizes: Width and Height Charts for Double-Hung, Casement, Bedroom and Basement Windows
What a 3050 window really measures, the standard width and height steps for double-hung, single-hung and casement units, and the IRC egress numbers...
Sinan Ozen9 Mins read
Wheelchair Turning Radius: ADA 60-Inch Circle and T-Shaped Turning Space Explained
The ADA does not give a turning radius. It gives a 60 inch circle or a T inside a 60 inch square, and...
Sinan Ozen7 Mins read
Office Space per Person: How Many Square Feet Each Employee Needs
The 150 square feet people quote per employee is really two different numbers: a building code egress factor and a federal design cap....
Sinan Ozen7 Mins read
Finish Schedule: How to Set Up a Room Finish Schedule for Interior and Architectural Drawings
What a room finish schedule records, how the National CAD Standard format applies to finishes, how finish codes and the legend tie to...
Sinan Ozen8 Mins read
Massing Diagram: How to Develop and Present Building Mass in Early Design
A practical massing diagram guide for architecture students: how zoning envelopes and FAR shape the first volume, a four-step massing study method, how...
Sinan Ozen8 Mins read
Figure Ground Diagram: How Architects Map Solid and Void (with the Nolli Map)
The figure ground diagram turns a city into black solids and white voids. Here is where it comes from, what Nolli's 1748 map...
Sinan Ozen6 Mins read
Flat Roof Construction: Warm, Cold and Inverted Roof Build-Ups Explained
Warm, cold and inverted flat roofs use the same layers in a different order, and that order decides deck temperature, ventilation and condensation...
Sinan Ozen9 Mins read
