Linda writes
STUF-FIT Copper Mesh works best in holes and cracks around 2 inches in diameter. Larger holes should be repaired and sealed permanently. The weep holes should not be filled in with the product. The STUF-FIT Copper Mesh can be tacked, stapled or glued into any openings where it is needed. This should allow air flow.
Answer last updated on: 05/18/2014