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National Design Specification (NDS)

Where can I find historic timber design values and standards?
Where can I find design information on smooth shank stainless steel nail withdrawal strength for wood?
Can carriage bolts be designed per the National Design Specification (NDS) for Wood Construction?
For fire resistive construction, does the heat of the fire affect the allowable stress design values of wood?
How can I determine the fire endurance of an exposed wood member?
Why don't you cover plastic design considerations in your standards?
Where can I find design values for tropical hardwoods, imported species, or other species not listed in the NDS Supplement?
Where can I find information on Timber Poles and Piles?
If there's an existing structure where the MC<19% for southern pine timbers, could the designer back out the wet service adjustment from the NDS published design values in table 4D?
What is the difference between southern pine and southern pine-misiones Argentina?
Why did shear parallel to grain (horizontal shear) design values increase in the 2001 NDS?
Are there design values for shear perpendicular to grain?
Where can I obtain information on designing post frame structures (sometimes referred to as pole buildings or pole barns)?
How do I design for notches in a bending member?
What is the difference between 2012 NDS 3.5 and 2012 IBC Table 1604.3 Footnote d for adjusting long-term deflection of wood members?
What are the safety factors (factor of safety) that are used to derive allowable design values for wood fasteners, lumber design values, etc. referenced in the NDS?
Where can I find more information about the NDS reference, Square and Hex Bolts and Screws, Inch Series?
Where can I find more information on all of the NDS references?
Where can I find referenced standards for dimensional tolerances for nails?
Where can I find design values, span tables, allowable load tables, and other information for structural softwood and hardwood lumber?
For LRFD in the 2005 NDS®, why does the resistance factor cancel out when adjusting nominal resistances using the LRFD Format Conversion Factor and the resistance factor?
What is the purpose of the NDS Format Conversion Factor, K_F?
What is the load duration factor (C_D)?
What is the difference between full diameter and reduced diameter body lag screws (also known as lag bolts)?
Are self-tapping lag screws covered by provisions in the NDS?
Where can I find background on In-Grade Testing for the NDS supplement?
Does gypsum provide lateral support for wall studs?
Can finger jointed lumber (also known as end-jointed and edge-glued) be substituted for sawn lumber?
Where can I find design values, span tables, allowable load tables and other information for structural glued-laminated timber?
Where can I find design values for lumber and glued laminated timber?
Where do I find decking design values?
Where can I find design values for cypress for structural use?
What is creep and how can I address it?
Where can I find resistance values, connection details and other general information for bolts, lag screws, wood screws, nails, split ring and shear plate connections?
Where can I find information about designing anchor bolts per ACI 318 Appendix D and the NDS?
Where can I find information for nominal 1", 1-1/4", and 1-1/2" stress-rated boards?
Where can I find information on evaluation, maintenance and repair of existing structures?

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Wood Frame Construction Manual (WFCM)

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Special Design Provisions for Wind and Seismic (SDPWS)

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Permanent Wood Foundation (PWF)

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