COMPLIANCE RESOURCES Exterior wall systems have become more complex. Navigating through the exterior wall system testing requirements and limitations, verifying that testing was completed, and determining how products should be used can be onerous.
Openings in exterior walls are also an item to consider when focusing on fire resistance rated exterior walls. Openings are allowed in these types of exterior walls depending on certain factors.Capability. Exterior Wall System Testing and Certification.
Requires an air barrier Full wall system testing to ensure max. air leakage 0.04 cfm/ft2 Specify ASTM E2357. IBC Section 1403.2. Joint where the floor system intersects the exterior wall. Required when the floor/ceiling system is required to be fire resistance rated.
As we can see from the illustration, Exterior Wall System Testing has many fascinating aspects to explore.
The hose test is a simple test requiring no set up of a chamber and no complicated test equipment. However, it is limited in its usefulness. On a rainscreen wall it can test the tightness of the exterior screen and possibly the drainage characteristics of the wall.
Navigating through the exterior wall system testing requirements and limitations, verifying that testing was completed, and determining how products should be used can be onerous.
Exterior Insulation and Finish Systems - Panelized. This section covers pre-manufactured cladding created as panels connect to framing components by fasteners to create an effective exterior wall system.
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