The difference between the inspection of steep-slope roofs and low-slope roofs is mainly one of complexity. Steep-Slope: Typical Construction Steep-slope construction is generally as follows, starting with the roof support…
Terms You Should Know: wind uplift: The upward-acting pressure on a roof’s components resulting from wind traveling across the roof. windward: The side of the building that’s facing the wind.…
Conventional Roof System In a conventional roof system, the insulation is installed under the roof membrane. This is the most common low-slope roof application. The location of the insulation in…
The insulation used in low-slope roof assemblies typically falls into one of the four categories: rigid board insulation; dual-purpose structural deck and insulating planks; lightweight insulating concrete (LWIC); or sprayed…
Additional Commercial Inspector Resources: Low-Slope Roof Components Low-Slope Roof Construction and Failure Assignment of Responsibilities Commercial Property Inspection Technical Course (Live)
All buildings are capable of having an unlimited physical service life, but not an unlimited economic life. No other building system surpasses roofs as a source of litigation. Roofs may…
The complexities involved in adequately designing a roof for optimal long-term performance are reflected by the number of factors that a designer must consider, including: original construction and life-cycle (long-term)…
The following information is a general overview of basic and accessory low-slope roof components, their major design factors, functions, and common failures. The three main components of a low-slope roof…
Low-slope roofs were a late invention in building construction. This was mostly because steep-slope roofs exhibited superior water-shedding properties. Also, before industrialization, much of the manufacturing of goods was done…
EPDM (ethylene propylene diene monomer) is a synthetic rubber membrane with elastic properties commonly used to cover low-slope roofs on both residential homes and commercial structures. Its manufacture includes the use…