What is aspenite plywood?
Aspenite was the brand name for the waferboard produced by a company called MacMillan Bloedel. Waferboard was the precursor to OSB (or Oriented Strand Board) however, there was a time when both were being produced. The last waferboard mill closed roughly 10 years ago, it was in Longlac, ON.
How much does a sheet of OSB plywood cost?
The material tends to be thicker and needs to be made to more exacting standards, which increases costs. A 4×8-foot sheet of construction-grade plywood costs roughly $10 a sheet, while the same size sheet of OSB costs only $6 a sheet.
What is the difference between OSB and waferboard?
Waferboard, a weaker and less-stiff cousin of osb, is a homogeneous, random composition. Osb is engineered to have strength and stiffness equivalent to plywood.
What is 19 32 OSB used for?
Shop OSB 19/32 Rated Sheathing OSB is a material with favorable mechanical properties that make it particularly suitable for load-bearing applications in construction. It is now more popular than plywood in the structural panel market. The most common uses are as sheathing in walls, flooring, and roof decking.
Is 7/16 OSB OK for roofing?
OSB is the most-used sheathing material for new roofs and roof replacements. You can use 7/16-inch thick OSB sheets without support for areas where the snow load is 30 pounds per square foot because it’s durable and maintains building integrity much longer than other sizes.
Why is OSB so expensive right now?
Since it lasts longer, manufacturers will sell fewer boards over time. To ensure they don’t miss out on future profit, they need to price their boards at a higher price point. OSB is expensive because it’s durable and requires more resources and processes to make it.
Is OSB more water resistant than plywood?
OSB takes longer to get wet than plywood but also takes longer to dry out. When used as a roof sheathing, this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks.
What is the blue on OSB board?
Blue Ribbon OSB is blue edge coated to limit absorption and pick-up of moisture. Blue Ribbon OSB APA Rated® Sheathing is an excellent selection for wall, roof deck and sub-floor sheathing applications.
What size OSB is used for wall sheathing?
OSB used for wall sheathing should be 7/16 inch thick.
What thickness OSB should be used for roofing?
7/16-inch thick
Standard types of wood designed for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. Sheets of 7/16-inch thick, without edge support, can be used in an area where the snow load is 30 pounds per square foot.