In today s professional roofers blog we have chosen to go beneath the shingles a little to discuss some important structural terms that relate to your roof but that you certainly won t see on the outside of your home. Framing any roof but particularly a gable roof low slope roof and cathedral ceilign roofs requires collar ties rafter ties and possibly a structural ridge beam to support the roof and to. Reinforcing existing roof framing jsmrem you said 2 x 4 rafters and a roof span of 28 feet.
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