Roof OSB Sheathing and Underlayment Build a 20x30 Workshop
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- Опубликовано: 5 окт 2023
- I am installing OSB sheathing on a 20x30 workshop roof. I prefer OSB over plywood because it is less costly and has guide lines to help with attachment. In this install I am using 2" torx screws to lock the OSB to the trusses. After I install the OSB I use a plastic underlayment designed to prevent water from getting to the OSB or into the building if the metal roof were to fail. This is a task that can be done alone but it is much easier to work with two.
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Good job for the effort and tackling this project on your own because a lot of people would of hired someone to do it and believe me you saved a lot of money doing it yourself. I must say that your trusses are not braced at both ends and in the middle, I say in the middle because your building is longer than 20'. I'm talking about 45 degree bracing going from top of truss to bottom chord and in the middle in your case or every 20' you need "X" bracing going from top of truss to bottom chord. This will keep your trusses from moving from end to end. You can still go up in the attic and install these braces, of course if it's insulated up there it will be a pain but I would definitely go up there and get that done especially with the way you've installed your OSB on the roof without staggering the joints. Something else I've noticed is the OSB should not of been a short piece over the ladders, you want that piece to go onto the trusses as far as possible on the first row and it will be staggered by 4' on the next row. I know you think it's rigid right now without staggering the joints but it's long term from years of wind pushing on your building that the problems will start. Ever noticed old barns or old machine sheds. You will lose some material depending on your eave distance but that's the nature of the business. I hope you understand what I'm trying to explain here. I'm not trying to criticize your work, you did a good job. Just want you to learn from it.
When sheathing you would normally start with full sheet then switch to half sheet to start on second row thus making roof considerably stronger . Snapping a line 4' line off fascia the complete length of roof will make sure sheathing stays straight and square on first row to compensate for slight differences in truss tails (facia ). Another good practice is to snap a line and cut before installing facia on rafter tail to make up for any tail that may be in or out causing in and out when sighting down facia on finished product .
depends on the desires or need overkill today is a big waste of money but i do get your point I prefer the old school ways of doing anything aka zero waste and i use nothing but 2x6's for my walls no matter the structure and have zero cracking in any of my walls if there is drywall ;-)
Looking great and loved the light saber at the end!!! Can’t wait to see the next video!
Ha yes the saber was fun. Up next is the metal roof! That install was less than fun.
great video man always back to the basics!
Well done. My little 8x10 lawnmower shed roof is coming up soon: sheeting, underlayment and shingles. Glad to see you do it first.
An 8x10 is a good size for a lawnmower. I know it's ladder work but I rather enjoy the roof sheathing.
Nice work. Thanks for sharing this. About the underlayment: I think one which is designed for high-temperature applications is normally used under metal roofs.
Excellent work Seth.
Thank you. The OSB and underlayment on the roof is a great step to reach. Weathering in the building from rain.
You are a true inspiration!
Thank you. The OSB part of the roof is actually rather fun.
great work!
Thank you. This is actually one of my favorite steps in the build.
light saber at the end was a nice touch
Thanks! It was fun to make that clip.
Job well done! .....Cheers
Thank you. Getting the osb and underlayment on is ladder work but one of my favorite parts of the build. Getting the option to work out of the rain is so nice.
Awesome job. Loved it at @10:18
Thank you. So nice to have a covering on the building!
Great videos.. You should be proud of yourself!
Thank you. This has been the largest construction project I've done, and it seems to have turned out very well.
Nice move with the saber
Haha yes that was too fun to cut out.
I was wondering why you didn't stagger the OSB on the roof, it would have made it stronger
I needed too but it just did not work out that way. The roof seems very strong even without staggering the osb.
The peak would be nice to see
You don't need the H-clips if there is blocking under the joint with the next OSB. You said after the first side you would stagger the joints on the OSB on the other side but I see you did not do that. I enjoyed the Star Wars effect.
could have built a plywood rack, would have made it much easier. Maybe next time !! 🙂
Nice job but the OSB sheets for the ladders. I think it would have been stronger if you had only used 4ft, 6ft, or 8ft lengths of OSB there. The OSB should be cantilevered out over the ladder. It will be ok though as it is. I live in FL, so more concerned with Hurricane winds.
OSB/plywood roof sheeting should be installed staggered.
i have a 20x30 and added another 20x30 so its 40 x 30 lol second half 2 story should be fun :D
Amazing how our things expand to need larger buildings.
If only they made some kind of hand-held device that could hold collated fasteners that would make it fast and easy to attach that OSB to the trusses... 🤔
If someone could come up with that product they would make millions! I bet it would even fasten other materials too! Haha
If we're going to kick him while he's down, he's the only RUclipsr I've seen rocking Worx tools. Saw some today at Menards...glad that impact is serving you well!
What drove the lack of stagger? Just didn't think worth the effort? I wish I had that 4:12 pitch, I'm finding 6:12 to be about limit for walking.
The effort did play a factor. But I realized the roof was plenty strong even without the staggering.
4:12 pitch was a bit scary at times. 6:12 would be no fun at all !
@sethcraftworkshop with only about 12 feet wide building, I don't really have anywhere to walk....I'm just scooting around on my butt, I don't trust standing up anymore than I have too. I'm shingling tomorrow and hope to never be up there again for a while. I enjoy watching your progress, someday I'd like to build a shop too.
no sway braces no staggered sheeting
Both are good ideas.
He forgot to stagger on the other side too? 😅
There has to be a better way for an individual man to lift up plywood.
Hi
I am a truss designer, in my service I provide truss layout and design.
also provide quantity takeoff for construction jobs i/c; MEP.
Thank you
7/16 is not 1/2 inch.
That is correct. Its close though.