In some situations while building a porch roof, you may need to tie the house roof and porch roof together. This will require cutting the house roof back to the bearing wall. You will need to install a gable wall on top of the house wall to support the weight of the ridge beam. Line the gable studs on top of the house studs and leave room for a sheathing layer. Once the ridge beam is solidly supported, it can continue to where it intersects on the house roof surface. This beam will provide the backbone for the cricket or saddle. 2x8 sleepers should be nailed to the roof surface to pick up the ends of the rafters. You will need to use compound miter cuts for the cricket rafters. The cricket or saddle basically rests on top of the house roof to visually extend the porch roof gracefully into the house roof. Be sure to waterproof the intersection of the roofs using valleys and flashing.
Roof Cricket or Saddle
Comments & Questions
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I am building a very similar gable roof over the top of my porch an i will be attaching to the slope side of my home almost identical to your picture. I am going to be using trsusses that i wll be ordering. I have to submit information to the city depratment in order to get a permit to do the job. Can you help me with the language and type of information i should submit in order to make my experience with the city for permit more pleasant. I am a new home owner and have never had to get apermit before but it is required in my city.
Alfredo C - 6/7/2016 5:25:36 PM - reply
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A builder friend suggested we build a free-standing deck, and cantilever the deck boards to the house. Would it be acceptible, then, to tie the porch roof into the house roof, even though the deck wasn't tied in?
Mitchell A - 7/23/2017 5:03:30 PM - reply
