


Designed to protect the raw edges of the board in Direct-Applied Exterior Finish Systems (DEFS)
Standard DEFS base support starter strip or as a perimeter casing bead with weep holes to direct moisture away from the substrate. Two rows of large perforations allow the base coat mixture to easily flow through and bond to the substrate.
Standard DEFS base support starter strip or as a perimeter casing bead with weep holes to direct moisture away from the substrate.
Two rows of large perforations allow the base coat mixture to easily flow through and bond to the substrate. Weep holes provide drainage away from the substrate.
ClarkDietrich Keylock™ Splice connectors are available for alignment and as a base for sealant. Caulk all intersections, butt joints, ends, and corners at the time of installation.
Product Data & Ordering Information
Product code | Finish thickness | Board thickness (A) | Back flange (B) | Perforated flange (C) | Pcs./Box |
---|---|---|---|---|---|
DE/CS50-16W | 1/16" | 1/2" | 1-3/4" | 5/8" | 50 |
DE/CS58-16W | 1/16" | 5/8" | 1-3/4" | 5/8" | 50 |
U.S. Patent Numbers 5,970,671 and 6,134,847

Documents
Code Approvals & Performance Standards
- ASTM D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
- ASTM D638 Standard Test Method for Tensile Properties of Plastics
- ASTM D648 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
- ASTM D696 Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30°C and 30°C with a Vitreous Silica Dilatometer
- ASTM D790 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
- ASTM D1784 Standard Classification System and Basis for Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds
- ASTM D4216 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) and Related PVC and Chlorinated Poly(Vinyl Chloride) (CPVC) Building Products Compounds
- SDS Vinyl Corp PVC Compounds
Product Submittal Sheets
Click the below Product Code to view Submittal/Tech Datasheet.
Product Code | Description |
---|---|
DE/CS50-16W, DE/CS58-16W | DEFS Starter Strip with Weep Holes |
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