Construction Basics – Roof Systems

OSB roof in residential constructionPlywood and oriented strand board (OSB) are used in roof sheathing systems ranging from simple single-family residences to large commercial buildings. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. Correct installation of roof sheathing will ensure the best performance and help reduce complaints and callbacks. For information on large panelized roof systems, refer to the Commercial Construction application section.

Glulam ridge beamGlulam Ridge Beams Create Large, Open Spaces

Glulam has greater strength and stiffness than comparable dimensional lumber. Pound for pound, it’s stronger than steel. That means glulam beams can span long distances with minimal need for intermediate supports. In roofs, that gives building designers the flexibility to create large, open spaces without the need for intermediate supports.

Quality Roof Construction: Tips for Installing APA Rated Sheathing



Avoid roof complaints with proper framing, sheathing and roofing techniques. Produced by APA - The Engineered Wood Association (formerly the American Plywood Association) in 1989. Note: This video may depict some work practices that do not meet current safety standards. Always ensure your work site is compliant with current OSHA regulations. Video length is about 15 minutes.

Techos de Alta Calidad



Tres pasos para construir los mejores techos inclinados y evitar la insatisfacción de sus clientes y las llamadas de reparación. Producido en 2004 por APA – The Engineered Wood Association. Nota: este video puede representar algunas prácticas de trabajo que no cumplen con las normas de seguridad actuales. Siempre asegúrese de que su sitio de trabajo cumpla con las regulaciones actuales de OSHA. La duración del video es de unos 15 minutos.