Block Foundation with mim. 42" frost footing and vents per City codes
Cathedral roofs need 2x12 rafters for the 9" of fiberglass insulation and chutes for proper venting
Tie-in to the existing roof needs, alum. step flashing and rubber Weather Watch in valleys with lapped in shingles
Matching siding, trim and shingles is a must for the proper look
French Doors make entering to your new addition the cats meow
Cathedral ceiling, trapezoid gable glass with boxed-in beams (beams have lights inside)