Osb Sheathing In Attic Space

Use the tongue and groove feature to lock multiple boards together and improve the organization of your storage space.

Osb sheathing in attic space.

Open or closed cell spray foam is applied to the underside of the roof sheathing and additional fiberglass or cellulose insulation is blown in as a cost saving method for meeting high insulation requirements and filling in the cavity space between the rafters to the ceiling deck. I ve done it like this for 25 years. I just space the wall sheathing with a nail between each row running the sheats horizontally. Osb attic decking has a convenient tongue and groove design for easy installation.

Even with excellent airflow in an attic the temperature of the top surface layer of the insulation will only drop a few degrees. Enjoy a clean look and increase the usable square footage of your attic by multiples of 8 sq. Like i said before on roof sheathing i don t space anything. Nick an owner builder pal of mine helped me put up the insulation and sheathing over the course.

No i m not kidding. If you ve got osb or plywood that doesn t swell you are in the. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Without the foil layer the osb sheathing will absorb heat and radiate it into the attic space in the summer or outside during the winter.

Why would i not tell the truth. Select osb sheets rated for use as a wall sheathing that meet or exceed the stud spacing on your walls. In the vast majority of cases the mold growth is caused by condensation. This improved energy efficiency makes thermostat radiant barrier the ideal choice for new homes additions and renovations in warm to hot climates.

Mold on attic sheathing. Thermostat radiant barrier sheathing reflects up to 97 of the sun s radiant heat from a home s attic and can help lower attic temperatures by up to 30 f. You may use a sheet rated for a 24 inch span when studs are spaced 16 inches. Adding more attic ventilation will help but not much.

I don t space decking either. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or. The quick pace has proven to be quite auspicious as the typical summer monsoon storm systems begin to play out in southwestern new mexico.