Cutting hip jack rafters.

Roof Framing

[Jac-Z-ok]

Do you ever give out roof framing classes in the Chicago area?
If so when would be the next one?

[PnB_Menace]

What word is he saying before 20inches multiply the what?

[antoniizelaya]

Thankyou so much with the explanation in this video video I can cut all my jack rafter now I think

[redsresearch]

What do you mean multiply 16 by the factor?

[abomination]

How to I get the angle for the rafters that join the hip

[juniusrosario]

Hey on the shortening of the jack rafters, could you just deduct the common difference from the original measurement and that be to long point ?

[rexolrexol]

what i was taught to do. look at how the common and hip are nailed at the top think of the center of the common and the center of the hip take a common rafter lay it on edge with the bottom of the rafter facing up, so you would have the seat cut up. This rafter has been cut for the thickness of the ridge say you are cutting a 4 '' slope the distance between the jacks is 2' 1 1/4'' you are working at the bottom of the rafter let the tape stick over about7/8'' this will be where the end of the rafter would be if it had not been cut for the ridge . then measure down 2' 1 1/4'' that is the difference in length of the hip jacks on 24'' centers.. since you are working to the center of the hip you would shorten 1/2 the thickness of hip on a 45 degree angle or about 1'' 1/4 now measure back up 3/4 that is the long point of the side cut now from that mark put marks down the comm rafter 2' 1 /4 '' say you have 4 hips lay your pattern rafter on edge and put up at least 8 boards mark the seat cut on all 8 then go to the top mark the plum cuts at the mark on the comm rafter mark 4 away from you and 4 towards you then set your skill saw at 45 degrees and cut your mark then go down and with your pattern mark out the seat cut and over hang cut these on some jobs i would lay maybe 32 rafters and mark then with a long square

[iannlb]

How do I sign up for a class? Thx again for the info.

[JohnKrytus]

Interview question: Have an intelligent conversation with this guy and you get the job!