tie in to end of eave fascia

Old 08-05-11, 01:58 AM
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tie in to end of eave fascia

i am thinking of extending a low pitch roof (1'/12') for a patio cover by eleven feet. the existing roof is 2x6 24"oc w/ 5/8 sheathing and 90lb roll roofing on top. the eave extends past the wall plate 24" including a 2x8 fascia.

the new extension is to be 2x6 24" oc w/ 5/8 sheathing and 90lb roll roofing same as the existing. it will be open on the bottom. there is no other load considerations ( snow etc) than the roof itself because i live in hawaii.

my question is can i tie in the new rafters to the existing fascia? i cant put a ledger under the eave because of height considerations and tie in to the existing wall plate is cost prohibitive.

i had planned on removing existing fascia, put new blocking between existing rafters and then a new 2x8 fascia bolted to blocking and lagged to existing rafters. new rafters will be hung using joist hangers fastened to built up fascia.

any advice, suggestions, comments would be a great help.

thanks in advance
Old 08-06-11, 06:25 AM
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Do not attach to the facia as it is probably only 3/4" thick and not structurally sound enough to hang a roof on. I would set the new rafters on the old wall if possible.

Old 08-06-11, 07:22 AM
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Extending a 1:12 pitch roof will open up a can of worms you don't want. What will the pitch of the new roof be? 1:12 will barely run water off. Of course you don't have snow load to worry about
As Bill said, the fascia probably won't handle the new load. You can install a ledger, but it must be attached to the rafter tails, and not to the fascia only. 2x6's won't span but 10'9" with 24" spacing, based on our common southern pine. Not sure what wood you will be using. I would do no more than 16" spacing with the rafters.

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