Please choose the correct solution to the question: How do I build walls when making a sunroom addition to a house?

Solution1: Frame the walls, fasten the sheeting to the outside. Put a foam gasket between the brick of the existing house and the stud that is touching the house. Put bolts through that stud to attach it to the back yard.

Solution2: Frame the walls, fasten the sheeting to the outside. Put a foam gasket between the brick of the existing house and the stud that is touching the house. Put bolts through that stud to attach it to the studs of the existing house.

Answer format: solution1/solution2
Answer: solution2