Thanks for the link Paul.

Longhouse prides itself in providing consistent quality on every piece, saving our customers both time and money with great results. It was abandoned for 40 years and all of the siding fell off or rotted. Close this window and log in. 4x6 and larger also available. The roof and the tenon work kept it together.

For orders less than 500SF please call 855-944-5247 Its framed of heavy timber columns supporting heavy timber beams and heavy timber wood trusses. All our cedar and fir lumber is available with or without stain or paint. The older ones I think we were using 2" polyiso on top for insulation so times have certainly changed, I think the last one had 5" of foam with a wrap and strap over it. 500SF minimum order For orders less than 500SF please call 855-944-5247 Available in 4x6 or larger (855-944-5247). For orders over 3000SF call for pricing. For orders less than 500SF please call 855-944-5247 We've never found an approved source/testing for T&G decking and always add a layer of plywood on top to deal with diaphragm forces. You must have JavaScript enabled in your browser to utilize the functionality of this website. The place is 260 years old.

Good discussion dhengr. By joining you are opting in to receive e-mail. 855-944-5247, Check It Out! 3x6 WC305a Douglas Fir Tongue and Groove roof decking. We were building those roof decks through the '70's with 3 ply slipped layup T&G decking over glulam. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Specializing in Custom Cut and Stained Cedar, Copyright - 2021 Longhouse Forest Products. 3x6 WC305a Douglas Fir Tongue and Groove roof decking. No SIPS on my house. I haven't looked in awhile, the AITC "Timber Construction Manual" covers these as well I believe. I've got a client who wants me to provide the structural design for a park picnic shelter. 500SF minimum order For orders less than 500SF please call 855-944-5247 Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. The SIPS help more with energy requirements IMO. *Eng-Tips's functionality depends on members receiving e-mail. For orders over 3000SF call for pricing. This is a Select Structural Grade per the WCLIB Standard no. Either AWC or APA has a publication on "plank and beam" construction in their free downloads that hits some high points, again its been awhile. Registration on or use of this site constitutes acceptance of our Privacy Policy. Marketing system by, Signs You Need to Replace Your Homes Siding, Best Wood Siding Options: 7 Types to Choose From, Soffit and Fascia: What They Are and Why Theyre Important For Your Home, How To Prevent and Remove Mold From Your Homes Cedar Exteriors, 7 Most Common Decking Mistakes Homeowners Make and How to Avoid Them. I've done several with 2x6 decking since. Thanks. Double click on above image to view full picture, 3x6 WC305a Douglas Fir T&G roof deck. Please let us know here why this post is inappropriate. http://aitc-glulam.org/shopcart/Pdf/aitc_112-93.pdf, http://www.apawood.org/level_c.cfm?content=pub_searchresults&pK=diaphragm&pT=Yes&pD=Yes&pF=Yes&CFID=24420567&CFTOKEN=65538451. 3x6 WC305a Douglas Fir T&G Roof Decking is available for purchase in increments of 25. Does anyone have experience using tongue and groove decking for roof sheathing? We were discussing why he called for 3/8" instead of 1/4" as it seemed a little big and he said it wasn't too big and would take care of the lateral shear requirements. Please call for details. We will do our best to get back to you asap.]. You are using an out of date browser. For orders over 3000SF call for pricing. My copy of the manual is too old too '85 but they are sure proud of new copies! Available thicknesses in 2, 3pre-drilled, 4pre-drilled. Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. Our T&G Roof Decking is available inDouglas Fir, Spruce /Western Red Cedar/ & Yellow Cedar. For orders over 3000SF call for pricing. The diaphragm values for timber decking are so low that except in limited circumstances something more is required. For a better experience, please enable JavaScript in your browser before proceeding. You must log in or register to reply here. #pppppppppp [a@>ry 8s@ ah*MEzB~ . JavaScript is disabled. Our Great Prices Get Even Better. Copyright 1998-2022 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. You need to be careful that at the joint where two sheets of sheathing abut that the nailing from each side is in the same piece of sheathing. Check out Eng-Tips Forum's Policies here: I believe that if the decking is installed at an angle to the joists as opposed to perpendicular there are differences (capacity at an angle is larger, acting more like T/C members as opposed to shear). You may need to confirm the T&G part but I think that shouldn't hurt anything (?). [lobo_form label_name=Name label_email=Email label_subject=T&G Roof Decking label_message=Message label_send=Send email=longhousetrading@telus.net success= required=Please send us information about what kind of lumber (fir or cedar) and stained or not stained as well as approximately how much you are looking for. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Structural engineering general discussion Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Perfect for load bearing applications The SIPS help for sure but there are ways around it. For orders less than 500SF please call 855-944-5247. The cabin had horizontal 1 1/2 T&G and the timber frame had vertical 1 1/2 T&G on purlins. Clear Vertical Grain (CVG) Douglas Fir Flooring. Already a member?

IRC Table R803.1 lists 1 1/2" T&G for rafter spans up to 72".

Click Here to join Eng-Tips and talk with other members! When you are building a new home or renovating and a ground level deck is not possible, sometimes opportunities exist above on the roof. It may not display this or other websites correctly. I do the same as JAE, unless the roof diaphragm it is diagonally sheathed. Already a Member? Available in 4x6 & larger (855-944-5247). I would prefer to use an epoxy - with a wood fiber filler. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. a timber frame and a log cabin project that I worked on. 2x6 T&G Roof Decking - Diaphragm Capacity? 17 grade rules. V-groove smooth face exposed and square edge back. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Did anyone add plywood above the decking just for the shear strength? JavaScript seem to be disabled in your browser. FWIW I have been through TP's grading course. Longhouse Specialty Products understands building constraints and sells quality cedar/ fir kiln dried tongue and groove lumber for the construction of roof decks. We just did a heavy timber patio cover with 2x6 t&g roof decking and the engineer called for 2-3/8" diameter lag screws going into the 4x8 rafters per plank. FAQ731-376: Eng-Tips.com Forum Policies. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. You can download the AITC Standard for T&G Roof Decking from: Glue in the joints makes T&G into a very good diaphragm. One way it to put plywood or OSB sheathing on top of hte decking.

This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Login. Just wondering if anyone has used this decking to act as the roof diaphragm. I thought you could use it. Timber frame pics from some of my projects. All rights reserved. Yes, I've done a lot of them, the engineers always specify 5/16" plywood diaphragm nailed on top of the decking, but I have no idea what the prescriptive code says. I am looking to space rafters at 72" however I cannot find any information on diaphragm strength of the T&G decking. We have received your request and will respond promptly. Many buildings have the potential of developing roof spaces such as converting your roof into a deck.