Use of ungraded rough sawn lumber | The Building Code Forum
网页Mar 7, 2019. #24. In general you cannot compensate for ungraded lumber by using a larger size. Slope of the grain, checks, nots and other characteristics play a role. If a specific grade is called for and ungraded lumber is used or is proposed to be used require a report from a lumber grading agency.
Use of ungraded rough sawn lumber - The Building Code Forum
网页2011年6月23日 · Sawn Lumber: See the 2015 American Wood Council NDS (National Design Specification) NDS 4.1.7 Resawn lumber or re-manufactured lumber, shall be re-graded 4.1.4 Maximum 19% moisture content 2012 IBC section 2301 through 2301.1.1.1 Sawn lumber 2303.1 2303.1.8.2 Moisture content - treated lumber 19% 2303.2.8 …
Curved Roof - The Building Code Forum
网页7. Location. Canada. Feb 20, 2024. #2. A curved Dutch hip roof has a radius of 264', and 1/2" plywood may struggle to bend to such a mild curve without additional support or lamination. Building inspectors normally adhere to engineering standards, and a structural engineer should review the design to guarantee safety and code compliance.
Cut I-Joist Flange - Recommendations on Who Could Repair
网页2015年12月8日 · The first pic is an overhead view. You can see the cut from above - a little over a quarter of the way down from the top of the plumber's box. Though a little harder to see, the other 2 cuts are at either ends of the plumber's box. The second photo is a side view of the flange to show the depth of the cut... really nice circular saw work.
Why does code limit rafter birdsmouth cut max depth?
网页2023年5月27日 · To me it would make sense to have a greater surface area with the rafter and wall top plate and therefore a deeper birdsmouth cut so the rafter surface is entirely on the wall plate. However, code says 1/4th depth is the limit for birdsmouth, however I dont understand why. Some people mention it creates a "weak point" or how the rafters may ...
Doug Fir Lumber - The Building Code Forum
网页2020年12月24日 · Welcome to the new and improved Building Code Forum. We appreciate you being here and hope that you are getting the information that you need concerning all codes of the building trades. This is a free forum to the public due to the generosity of the Sawhorses, Corporate Supporters and Supporters who have upgraded their accounts.
Stair Stringer Design and Configuration - The Building Code Forum
网页2022年1月31日 · I was told once in a code class that stringers are the same as joists and the treads are the same as lumber floor sheeting. Table R503.1 can let 5/4 lumber span up to 16" for a tread. Usually a 2x12 stringer is about 5.5" at the narrowest spot. Table 502.3.1(2) #2 SPF 2x6 joists spaced 16" can span up to 9'-4" for a 40 psf live load.
More Cutting, Drilling and Notching | The Building Code Forum
网页Kansas. Jun 26, 2023. #1. R802.7 Cutting, drilling and notching. In my area current economics have caused many builders to now opt for stick-framing over trusses. This section of the IRC has been discussed at length by this forum, yet no one has come up with a complete explanation of its apparent contradictions.
Termites and IRC Figure R301.2 (7) - The Building Code Forum
网页2012年11月1日 · Two sections require the treatment of cut ends, notches and holes but this is universally overlooked.. R317.1.1 Field treatment. Field-cut ends, notches and drilled holes of preservative-treated wood shall be treated in the field in accordance with AWPA M4. R318.1.2 Field treatment.
Attic access | The Building Code Forum
网页2011年8月5日 · R807.1 Buildings with combustible ceiling or. roof construction shall have an attic access opening to attic. areas that exceed 30 square feet (2.8 m2) and have a vertical. height of 30 inches (762 mm) or greater. The vertical height. shall be measured from the top of the ceiling framing members.