Gutter Knockout Tool

Weather resistant finish gives tool strength and long term durability.

Gutter knockout tool.

Requires an outlet punch die assembly. Crimps made by the tool help create a connection that is more self supporting during gutter installation. Produces an effective double crimp that downsizes corners of aluminum or steel downspout. Weather resistant finish gives tool strength and long term durability.

How to cut and install a gutter outlet. All malco gutter outlet punches make clean accurate hole cuts in aluminum gutter. Low modulus and high elongation accommodate severe movement. Ample throat clearance makes it easy to quickly line up cuts.

Gutter seal is a multipurpose nitrile elastomer based self leveling sealant. Browse our selection of malco outlet punches and look forward to clean accurate hole cuts in aluminum gutters 032 max. Excellent adhesion to metal gutters including copper and kynar. Requires an outlet punch die assembly.

Specifically designed as a narrow seam sealant for gutter lap joints. Tool frame offers an easy ratcheting mechanism for smooth cutting action. All malco gutter outlet punches make clean accurate hole cuts in aluminum gutter. Optional blade die allow you to cut perfect 2x3 2x3l 3x4 and 2x3 x cut.