Kingspan with a flat roof this issue does not arise but the u value constraint and the amount of insulation needed is just the same.
New roof insulation.
It typically has 3 variations.
Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels.
A new roof is a costly investment with practical and aesthetic implications the roof is your home s most important protection against rain snow and natures elements.
Gable end detail overhang cut and then rebuilt to hide the thickness of the over roofing rigid insulation.
Rigid foam board is just above the roof deck or an exterior insulation option.
Choose feldco roofing for your brand new roof.
Insulation puts the money back in your pocket by protecting your home from the elements and lowering energy costs.
The later is used in new construction as the interior board serves as an inner wall.
Whether you re doing a weekend fix or folding it into a bigger home renovation insulating your roof will pay off for years to come.
On new build or replacement pitched roofs the ideal build up would be insulation fitted over and then between the rafters giving a big boost for airtightness image credit.
If they do that there s a chance you might need to install new fiberglass batts rigid insulation or blown in insulation after the reroof is completed.
Your roofing replacement is a great time for roof insulation.
Roof edge detail overhang extended to hide the thickness of the over roofing rigid insulation.