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Auto Caulk Flashings

Lead Wool, a form of caulking lead, consists of long, fine strands of chemical-grade lead twisted into 5/8” rope for use in various applications.


Our cold packing is available in 5 lb bags, 50 lb cartons of ten 5 lb bags, or 50 lb bags. To be clear: 2-½ ft of the material weighs about one pound.


Mayco’s lead wool is certified to meet Federal Specification QQ-C-40.

Call for information about Leaded T’s and Lead Wedges.

Mayco operates three manufacturing plants and
five distributions centers in all regions of the United States.

We have an experienced workforce with a strong safety record
ready to help you.