
Q250TS
Product Description
TopShield® Q250TS Siding Underlayment is a 0.2" thick closed-cell extruded polystyrene (XPS) underlayment, available in convenient 4 Ft x 48 Ft fanfold bundles. This lightweight, easy-to-cut material provides superior insulation and moisture protection, making it ideal for use as a leveling board when installing new vinyl siding over old siding.
Benefits & Features
- Lightweight & Durable: Easy to handle and install, with clean cuts and no loose foam beads, ensuring a smooth application process.
- Convenient Fanfold Design: The 4 Ft x 48 Ft fanfold bundles are easy to transport, store, and install, reducing labor time.
- Moisture Vapor Permeable: Perforated design allows moisture vapor to escape, preventing trapped moisture and ensuring the longevity of the siding.
- High-Performance XPS: Provides excellent insulation properties and superior moisture resistance for long-lasting protection.
- Cost-Effective: Offers an economical solution for siding installation while delivering reliable performance and durability.
Specifications
Specifications
For Use On
- Replacement siding operations to provide a level surface over old siding, add insulation and weather protection
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Applicable Standards & Approvals
- ASTM C518
- ASTM E84 / UL 723
- UL - R1183
- CCRR-1022