OSB is lightweight, relatively inexpensive, and strong enough to resist bending or breaking should someone walk on the roof. FASTENER PROBLEMS – Exposed fastener systems put the integrity of your roofing structure in the hands of the fastener and the gasket, which is the thin piece of material located between the head of the fastener and the metal panel.This can lead to many issues, such as: Fastener withdrawal – The expanding and contracting of the metal roof over time is … It is suitable for use in a range of construction and miscellaneous applications where strength and stiffness are required. This has just been re-shingled again, and the nails come through the decking all around the house about 3/4". 2.1 Adhesive Bond Classification The bond classification relates to moisture resistance of the • LP OSB sheathing wall panels provide sufficient racking strength to meet corner bracing requirements. DensGlass Sheathing adds performance and durability to a wide range of fire-rated and non-fire-rated building assemblies. Dens® Solutions are industry trusted, high-performing fiberglass mat gypsum panels suitable for your wall, roof, ceiling and floor projects. APA Rated Sheathing is rated for use as subfloor, wall, roof, diaphragm and shear wall sheathing. Panel Size Panel Count PS-2 Span Rating. x 4 ft. x 8 ft. Rtd Sheathing Syp Plywood sheathing is ideal for residential Plywood sheathing is ideal for residential and light commercial construction, and every piece meets the highest grading standards for strength and appearance. Buckling is mostly the result of moisture which causes wood sheathing panels to expand. 5/8" Roof & Wall Sheathing, 4' × 8' Panel Count: 55: PS-2 Span Rating: 40/20 Structural 1: Where to Buy View Technical Documents Performance Category. Nice little transition ramp. Roof sheathing (or decking) is one of those elements. While buckling does little to effect the structural integrity of the OSB panel, it can have a negative aesthetic effect which would result in expensive callbacks. Code Evaluation Report. Moderate repairs are likely fixing and/or sealing fixtures on the roof and replacing shingles and flashing around these objects.. Asphalt shingles cost roughly $500 to $1,000 to replace or repair a 10-by-10 square feet section.. Metal Roofs cost on average $500 to $1,500 to repair improper installation, fix loose seams or address any damaged fasteners. Design depends on type of metal roof: exposed or hidden fasteners; board and batten (pan and ridge) panels; shake and shingle panels; panel or tile system; standing seam; etc. Easy for an archie to draw, tedious to execute. Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5/8" to 3/4". It adds proven performance and durability to new homes, room additions and renovations. Panels identified as Exposure 1 may be used for roof sheathing where exposed on the underside such as on eaves. Many metal roofing dealers specify minimum of 7/16" sheathing. It is an older place and has been shingled and re-shingled previously. A dried in house includes: 1) all the exterior walls of the house, along with house wrap or some other moisture barrier 2) the roof sheathing with an appropriate water proof roof covering, and 3) coverings for any openings, including window or doors openings. In the U.S., it is almost always composed of wood—usually OSB (oriented strand board) or plywood. • Slight surface flaking or thickness swell caused by moisture exposure will not affect the panels’ structural performance. Here are some ways in which you can mitigate the effects of buckling by accounting for normal moisture conditions and through … I've seen architect's details showing 3/4" boards at the exposed roof part, going to 1/2" sheathing above, handling the step by tacking in cedar shingles cut down so the butts are 1/4". There is exposed roof decking all around the outside of the house. 19/32 in.