Original MountMaster® for
Insulated Siding

HomeProductsMount Blocks & Utility Vents • Original MountMaster® for Insulated Siding
Provides a level and waterproof surface for all exterior accessories. Scalloped corners add attractive detail. Locking positions at: .875″ (22mm), 1.125″ (29mm), 1.375″ (35mm), 1.625″ (41mm). 7” x 8” (178mm x 203mm) (exterior surface, edge-to-edge).

 

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