VYCOR® Self-Adhered Flashings (VYCOR® Plus, VYCOR® V40, VYCOR® Aluminum, and VYCOR® PRO) are typically compatible with windows using vinyl (PVC) nailing flanges.
Although VYCOR® Plus, VYCOR® Aluminum and VYCOR® V40 may have an incompatibility with plasticized PVC, most vinyl nailing flanges are constructed of rigid PVC, which is compatible (see Figure-1). Some nailing flanges may appear to be flexible due to their thin gauge, but are in fact rigid PVC. These thinner nailing flanges are not generally plasticized and are therefore compatible with VYCOR® flashings. VYCOR® PRO is compatible with both plasticized and rigid PVC nailing flanges.
Examples of products composed of plasticized PVC include wire and cable products, door sweeps, bicycle tire inner tubes, flooring and shower curtains to name a few. Some arch/round shaped windows may use a plasticized PVC nailing flange (see Figure-2). Consult with the window manufacturer to determine if the nailing flange is constructed of plasticized PVC.
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Last Updated: 2018-12-27