While flat roofs still have slight inclines ... If you have a pitched roof, see below for a list of all major roof sections. A roof deck, also known as a roof sheath, is a wooden board underneath ...

the insulation is installed below the roof deck, allowing the deck and structure to be exposed to the outdoor temperature. This method is less common and generally not recommended for flat roofs in ...

Water penetrating the membrane of your flat roof may travel across your roof until it runs into a seam in the roof deck or the sheathing, it finds a crack around HVAC or plumbing fixtures, or runs ...