Osb Or Plywood For Shed Roof

New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well.
Osb or plywood for shed roof. Most construction sites will consider the use of either osb or plywood for the roof. Plywood is made with an odd number of layers for optimal strength and performance. Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Watch this now to learn how to avoid this same pr. The higher the slope the more quickly the snow and rain will be shed but also the greater the wind force. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. Even though plywood is more expensive and osb stronger my recommendation for a shed roof is 5 8 or 3 4 construction grade exterior rated cdx t g plywood.
Due to requiring extra tools for cutting the sheets to size the roofing job for the shed hasn t been completed. Since this is my first attempt at carpentry i was unaware to just how heavy and awkward it would be to manouver these sheets though i soon found out. And while seven sixteenth in. Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements.
Saturday 12th january 2013. Osb is made of chips of softwood glued together in a semi random pattern. Plywood with similar properties currently costs about 30 more for an equivalent thickness. One of the nice things about plywood is the variety of options you can buy.
One of the major differences between osb and cdx plywood is how well each holds up against water. Using oriented strand board is a tested way of reducing costs for building your shed. Now let s have a look at some of the main differences between cdx and osb as roofing plywood. Going back to the x in cdx you may recall that it means exposure.
Plywood is better than osb for subfloors. There is a lot of dodgy crap plywood around at the moment. As with plywood osb typically comes in 4 ft. My shed is osb with a layer of torch on roof felt been good for 10 years.
On saturday i collected a couple of 18mm sheets of plywood. However there are some sceptics out there who doubt the strength and durability of osb.