Web27 Jan 2016 · EN 636-3 for use in exterior conditions For roofing applications, EN 636-2 or EN 636-3 are fine. OSB3 is for use in humid conditions so comparable with EN 636-2 plywood. In summary, if you plan... WebView. 9mm OSB3 RS - Oriented Strand Sterling Board 2.4m X 1.2m (8ft x 4ft) £17.18 Ex VAT. Add to cart. 11mm OSB3 RS - Oriented Strand Sterling Board 2440mm X 1220mm. £18.40 Ex VAT. Add to cart. 18mm OSB3 RS - Oriented Strand Sterling Board 2440mm X …
How Thick Should Roof Sheathing Be? - Roof Critics
WebThe wafers or strands used in the manufacture of OSB are generally up to 150 mm (6 in) long in the grain direction, 25 mm (1 in) wide and less than 1 mm (1/32″) in thickness. In … Web4 Sep 2008 · chappers Member. Unless you are using lloyds certified marine ply, then OSB is probably a better product as it is actually graded and has to be constructed to certain specifications and tolerances. Whereas ply, is ply, is ply and varies from batch to batch. and the best thing is it is half the price. chappers, Sep 4, 2008. mortgage loan calculator affordability
What Thickness Osb For Roof - RoofingProClub.com
Web18 Sep 2024 · The appropriate thickness for the OSB roofing is 5/8 inches when it is being used for the roof deck as well. Warm roof: In most cases, the experts recommend … Web27 Oct 2024 · Dazzchazz New Member. Just about to build an extension to my shed. Extension will be 8ft wide by 11ft long, it will be a lean to sort of extnsion so only 3 sides and a roof needed. Can't decide whether to use 18mm ply for the roof covered in felt or to use 18mm OSB 3 which is £10 a sheet cheaper. Thoughts please or is 18mm a bit OTT? Web8 Jul 2024 · The decking should be at least 19/32-inch thick. A normal roof decking has a thickness of between ⅜ inches to ¾ inches. Roof deck thickness codes do vary based on wind and snow loads. ... Plywood and OSB roof decking typically lasts for 20-30 years. However, the lifespan of your roof decking will depend on the type of material it is made ... minecraft stained glass window