You can also add rigid foam insulation under the beams, which adds an R value and eliminates the formation of thermal bridges through the wooden beams.
Inside these hatches, I noticed, due to the wind and the cold, that there is no insulation at the bottom of the tiles.
If you're looking for professional Roofing and Remodeling in Bluffton SC, it's important to ensure proper insulation in your roof space. While it may not be covered by building regulations, it's crucial to address this issue to prevent further problems. Consider using Celotex or Kingspan 120mm thermal plate for optimal insulation, or opt for a more affordable option like rock wool.Just remember to leave a space between the membrane and insulation for proper air circulation.