![]() Please contact your representative to determine quantities. ![]() Refer to appropriate sections of the Specifier Guide for installation guidelines and construction details.The subfloor must be glued as per APA Specification AFG-01 or ASTM D3498 and nailed as per NDS, ICC IBC/IRC code. and is a “24 oc APA rated panel” for joist’s spacing of 24″ o.c. The considered subfloor is a “20 oc APA rated panel” for joist’s spacing of 12″, 16″ and 19.2″ o.c.The indicated spans are based on the Allowable Stress Design method as per NDS, ICC IBC/IRC code.Live Load deflection is limited to L/480.Total Load deflection is limited to L/240. Use the span tables in the links below to determine the maximum allowable lengths of joists and rafters.Maximum spans are measured centerline to centerline of bearing and are based on uniformly loaded joists.Minimum end bearing length is 1½”, spans in bold require web stiffeners at OSB end panel.Example: In the rafter time table beneath, the highlighted cell (13-0), indicates so 2' x 8' Douglas Fir rafter, including a rank of 2, spacing 24' split, can have a maximum span of 13 feet - 0 inches (13-0) if designed for a stay beladen of 20 psf, and. The indicated spans are based on simple span joists. The braces need to be supported to a bearing partition, as shown in one diagram higher.Savings is in the labor.Live load: 100 psf / Dead Load: 15 psf / Depth: 16″ – Span table Live load Then you finish the house like a regular home. The 2300 sq foot home goes up on the foundation in about 5 days. ![]() The spec's were for SPF and they substituted the SPF for SYP, the better wood. Potentially, this is a big problem and you need more info to assure you of the needed quality. Read the Tutorial for Understanding Loads and Using Span Tables. I would think that you are due a very large discount, and then I still worry about the floor bounce, or else you need to write a letter to the federal trade commission and expose these people for what they are. A span options calculator allows selection of multiple species and grades for comparison purposes. The analogy of being shown the Caddy and getting the Geo is correct. But if they used the same size members and same spacing for SPF as designed for SYP, you are getting less than you agreed to and will likely have very bouncy floors, etc. If the re-engineering is correct, the floors and roof will be fine with SPF. SPF cannot span the same distance as SYP, so you must have closer spacing, larger sized pieces (2x10 instead of 2x8, for example), etc. ![]() Douglas Fir-Larch Hem-Fir Southern Pine Spruce-Pine-Fir. Other thicknesses and constructions are available on request, including 15mm face boards, particle board faces and up to 200mm. Welcome to the Anthony Forest Products Company, LLC POWERFUL SOLUTIONS Lumber Span Calculator. ![]() The face boards are normally 11mm thick OSB3 (for structural use in damp conditions). If it is for joists and rafters, big difference. Our standard range of panels has three thicknesses, 100mm, 125mm and 150mm, and panels are up to 1.2m wide and 6.5m long. Where are they substituting SPF? If it is for the studs in the walls, no problem. From Professor Gene Wengert, forum technical advisor: The tabulated rafter spans assume that ceiling joists are located at the bottom of the attic space or that some other method of resisting the outward push of the rafters on the bearing walls, such as rafter ties, is provided at that location. ![]()
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