Westlake Royal Roof Underlayment

Westlake Royal SwiftAnchor Synthetic Base Sheet 40 in x 300 ft, 1000 sq ft

Coverage area1000sq ft
Underlayment typeSynthetic
Unrolled length300ft
Application methodNail/Staple

Pickup on Wed, Aug 13 from Miami, FL

Overview
Articles

Why Choose Westlake Royal for Professional Roofing Underlayment?

Westlake Royal Building Products stands as a recognized leader throughout North America with over 50 years of manufacturing excellence in exterior building products, including their specialized roofing components division. Headquartered in Houston, Texas, with manufacturing facilities strategically positioned across the continent, westlake royal building products leverages this extensive geographic presence to ensure consistent product availability and competitive westlake royal underlayment pricing for contractors nationwide. The company's roofing components provide critical secondary waterproofing protection directly on top of wood roof decks, serving as crucial barriers that contribute to the performance and longevity of entire roof systems. This established market position allows Westlake Royal to deliver both innovative underlayment technologies and dependable supply chain support that westlake royal roofing professionals trust for residential and commercial projects across diverse climate conditions.

Why Choose Westlake Royal Over Competitors?

🔧 Patented Nail Gasketing Technology

Revolutionary sealing system that provides superior moisture resistance around fastener penetrations for all-season weather protection.

☀️ Extended UV Exposure Tolerance

Products can remain uncovered for up to 180 days without degradation, providing installation flexibility.

🚶 Superior Walkability & Safety

High-grip backing and non-woven thermally embossed facer deliver increased deck grab and exceptional walkability.

⚡ Lightweight Installation Efficiency

10-square rolls weighing just 35.5 pounds each enable swift transportation, loading, and installation.

What are the technical specifications of SwiftGuard Synthetic Roof Underlayment?

Specification	SwiftGuard® Details
Primary Application	Steep-slope roofing for tile, steel, shingles, natural and composite slates and shakes
Key Technology	Patented nail gasketing technology with UV and thermal stability
Coverage & Weight	10-square rolls (1,000 sq ft) at 35.5 lbs per roll
Exposure Duration	Up to 180 days uncovered without degradation
Installation Features	Clearly identifiable lay lines and fastening markers for swift installation
Warranty	Limited Lifetime Warranty
Compliance	Meets ASTM D226 Types I and II, compliant to AC188 and ASTM D1970 Section 7.9

How does westlake royal compare to leading underlayment manufacturers?

Feature/Characteristic	Westlake Royal SwiftGuard	GAF TigerPaw™	Owens Corning SyntheticShield®
Weight Per Roll	35.5 lbs (10 squares)	39 lbs (10 squares)	42 lbs (10 squares)
UV Exposure Tolerance	180 days uncovered	180 days	120 days
Nail Gasketing Technology	Patented system	Standard	Standard
Walkability Rating	⭐⭐⭐⭐⭐ Superior grip backing	⭐⭐⭐⭐ Good	⭐⭐⭐ Standard
Installation Ease	⭐⭐⭐⭐⭐ Marked lay lines	⭐⭐⭐⭐ Good	⭐⭐⭐ Standard
Price/Performance Ratio	⭐⭐⭐⭐⭐ Excellent value	⭐⭐⭐ Good	⭐⭐⭐ Good
Warranty Coverage	Limited Lifetime	Limited Lifetime	Limited Lifetime

What technical specifications make westlake royal underlayment superior?

Component	SwiftGuard Specifications	TileSeal HT Specifications
Base Material	Non-woven thermally embossed synthetic fiber	SBS-modified asphalt core
Surface Treatment	High-grip backing for enhanced deck grab	Slip-resistant surface for contractor safety
Sealing Technology	Patented nail gasketing system for superior moisture resistance	Modified asphalt seals around nail penetrations
UV Resistance	180-day exposure tolerance without degradation	High-temperature stability for extended exposure
Installation Markers	Clearly identifiable lay lines and fastening markers	Self-adhering installation system
ASTM Compliance	Meets ASTM D226 Types I and II, AC188, ASTM D1970 Section 7.9	Industry standard compliance
Weight Efficiency	35.5 lbs per 1,000 sq ft roll	Optimized for easy handling

What do roofing professionals say about westlake royal roofing performance?

"SwiftGuard is the only synthetic roofing underlayment recommended by Westlake Royal. We look forward to introducing this all-new solution to our contractor and builder customers."

— Eric Miller, Vice President of Sales and Marketing, Westlake Royal Roofing

"TileSeal Underlayment is the preferred choice of roofers, contractors, architects and builders."

— Industry feedback collected by Westlake Royal

Professional recognition includes comprehensive ASTM testing certifications and building code compliance across multiple standards. The company's roofing components have earned contractor trust through proven performance in extreme weather conditions and consistent quality control. With over 50 years of manufacturing experience, Westlake Royal has established itself as a trusted partner for building professionals, architects, engineers and distributors. Industry professionals consistently recognize the combination of innovative technology and reliable performance that makes westlake royal building products suitable for both residential and large-scale commercial roofing projects.

Frequently Asked Questions

Where are Westlake Royal underlayment products manufactured?

Westlake Royal Building Products operates manufacturing facilities strategically located throughout North America, ensuring consistent product availability and quality control. This geographic distribution enables efficient delivery to contractors and distributors across the continent.

What warranty coverage does westlake royal provide?

SwiftGuard Synthetic Roof Underlayment comes with a Limited Lifetime Warranty. Specific warranty details vary by product line, with comprehensive coverage protecting against manufacturing defects and performance issues when properly installed according to manufacturer specifications.

Are these products suitable for extreme weather conditions?

Yes, the patented nail gasketing technology helps ensure roofing systems withstand elements in all climates and seasons. Products like GatorSeal® specifically protect against ice dams and wind-driven rain, while the synthetic construction provides superior durability compared to traditional felt underlayments.

How does installation compare to competitor products?

SwiftGuard features clearly identifiable lay lines and fastening markers that enable swift and easy installation, while weighing significantly less than many competing products. At just 35.5 pounds per 1,000 square foot roll, it provides lightweight ease in transporting, loading, installation and storing.

What building code certifications do these products have?

SwiftGuard meets the physical properties of ASTM D226 Types I and II and is compliant to AC188 and ASTM D1970, Section 7.9. Additional products meet ASTM-D4601, D6757 and D4869 Type IV standards. All products undergo rigorous testing to ensure compliance with national and regional building codes.

Is bulk purchasing available for contractors?

Yes, westlake royal offers contractor pricing programs and bulk purchasing options through authorized distributors. Professional contractors can access volume discounts and dedicated account support for large-scale residential and commercial projects. Contact your local Westlake Royal representative for specific pricing and availability.

Ready to upgrade with Westlake Royal underlayment?

Explore the complete range of Westlake Royal roofing underlayment solutions, featuring synthetic, modified asphalt, and specialty high-temperature options designed for every roofing material and climate condition. Check current contractor pricing on SwiftGuard, TileSeal HT, GatorSeal, and Ply 40™ products that deliver the reliability, installation efficiency, and comprehensive warranty coverage your projects demand.

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