Spider Lath Cleaner Healthier Wall System Attaching conventional metal lath will create thousands of tear holes in the weather resistant barrier, with SpiderLath .25 inch nailing strip seals around the fastener holes, sealing moisture penetration reducing mold and mildew. SpiderLath cuts with a blade, knife, or scissors. Eliminate the painful cuts from the razor sharp edges of metal lath. Easier to Handle Weighing in at only 17 lbs per roll and 4 x 75, 300 sft. Each roll is comparable to 18 sheets of metal lath. Corrosion Free "Code Approved International Code Council Evaluation Services Acceptance Criteria 275" Backed by 50 Year Warranty