Since anyone using plywood as sheathing will usually use 1/2" (also 2/3rds of a perm), according to code, all sheathing is a Type II vapour retarder, the same classification given to 6 mil polyethylene.
Tips for Using Nails. However, if you are in a fix and the only available option is a nail then be sure to make use of the proper type of nail and place them at a suitable distance from the edge of the plywood and at a fair distance away from each other.
How do you choose between OSB and Plywood Sheathing? In this video I'll give you some recomendations and some tips for building a tight & durable house that will stand …
OSB vs. Plywood Diffen Home Improvement While OSB (Oriented Strand Board) is generally cheaper than plywood , it is heavier and not as stiff as plywood and can result in soft squeaky floors under weight.
OSB vs. Plywood Sheathing June 18, 2012 Framing & Decks , Housewrap & Waterproofing When you frame a house, the 2×4 studs provide tremendous strength to the forces pulling straight down on the house, but the structural sheathing used on the outside is what resists the racking forces placed on the house from wind.
I'm adding a deck with roof to the side of my house. I'll be using 3/8" plywood sheathing on 2x8s with 16" centers. I read something that said the sheathing should be nailed on with 8d nails where I was planning to use 1 1/2" ringed plywood nails.
Re: Which Roof Sheathing? 5/8 OSB vs. Plywood Plywood would be my choice as well. If you use 5-ply then you can get away with 1/2" because the more plies the stronger the plywood.
Anytime we use real plywood, we always use nails. Whenever it is osb, we use staples. The nails tend to blow apart the osb, while the staples don't seem to have the holding power to prevent the plywood from lifting.
Plywood long ago lost its market leadership to oriented strand board (OSB), which is now the most-used sheathing and subflooring material. Estimates put its market share as high as 75%, with much of that dominance thanks to cost-conscious production builders.
Even when siding is attached to plywood or OSB through a layer of non-structural continuous insulation, it does not need to hit framing members if the siding is attached to the continuous plywood or OSB sheathing as recommended in the fastening schedule in Nail-Base Sheathing for Siding and Trim Attachment, Form Q250, page 6.
Popularity. As OSB is cheaper than plywood and has the strength and durability of plywood it is becoming more widely used than plywood. OSB was introduced in the 1970s and steadily gained market share from plywood, surpassing plywood in production in 2000.
Guy, your question is a common one, and the easy answer is that both plywood and OSB are widely used for residential exterior sheathing. In essence, these two building materials are different, yet they are installed the same way when building a framed structure.
Roof Sheathing Fastening Schedules for Wind Uplift Introduction This Data File provides recommended nailing schedules for wood structural panel roof sheathing plywood and oriented strand board (OSB). These schedules were calculated to provide resistance to wind uplift pressure as
Common structural sheathings include plywood, oriented strand board (OSB), wafer board, and exterior gypsum board. When choosing plywood, OSB, or wafer-board panels, be sure they are rated as wall sheathing and choose an appropriate thickness.
In our area, 1/2-in. OSB sheathing costs a few dollars less per sheet than 1/2-in. plywood. And OSB is available in 4 x 9-ft. sheets, which means you can sheathe an 8-ft. tall wall and the joists below with a single sheet.
In roofing terminology, sheathing plywood is the layer of material attached to the structural frame of the roof. After you frame the rafters and ridge board, you lay the sheathing on top to cover the entire frame. The tar paper and composite shingles (or other roofing material) go on top of the ...