Corrugated Lath Strip

Corrugated Lath Strip™

Rain Screen for Siding and Rigid Foam

CLS 3845-18 - CLS 3845-316

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Corrugated Lath Strip
  • Corrugated Lath Strip
  • Corrugated Lath Strip
  • Corrugated Lath Strip
  • Corrugated Lath Strip
  • Corrugated Lath Strip

Corrugated Lath Strip Highlights

Corrugated Lath Strip™ creates a void that allows airflow and a moisture passageway behind rigid insulation and siding systems. MTI's 1/8” Corrugated Lath Strip used as a drainage strip for EIFS limits loss of R-value to less than 5%.  EIFS and Corrugated Lath Strip Video


  • True channels conduct moisture to the bottom of wall faster than other rainscreen drainage products
  • High impact polystyrene ensures durability and prevents compression, waviness, and nail drive-through experienced with fiber-based mesh products
  • It’s easy to install (2 15/16” wide – 50’ rolls)
  • 96% Post-industrial recycled material

Drains Incidental Moisture in

  • Siding
  • EIFS
  • Any system with exterior rigid foam insulation

Corrugated Lath Strip Installation

•Install Corrugated Lath Strip™ over the weather resistive barrier or on the surface of rigid insulation.

•Hold in place with dime size dabs of approved adhesive or mechanical fasteners.

•Space Corrugated Lath Strip™ as to engineer's specifications.

Corrugated Lath Strip Ordering/Shipping

Contact MTI at 1-800-879-3348 for specific cost to your destination.

Corruagated Lath Strip Strip Specifications

A 0.024" (0.6 mm) thick high impact polystyrene strip formed with 1/8" (3 mm) or 3/16" (5 mm) deep corrugations; 2.8" (71.12 mm) wide, 50'-0" (15 m) long continuous belt. 

Product Number CLS 3845-18 or CLS 3845-316
Roll Length 50
Rolls Per Bundle 5
Linear Feet Per Bundle 250
Bundles Per Box 6 or 4
Linear Feet Per Box 1500/1000
Boxes Per Pallet 12
Linear Feet Per Pallet 18,000/12,000
Pallet Size 48"x40"x49"

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