Boral Roof Underlayment

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Best Boral Roof Underlayment alternativesBest choice

APOC AP-26 #30 Tuff-Felt Premium Asphalt-Saturated Roof Underlayment 36 in x 72 ft, 216 sq ft

Coverage area216 sq.ft.
Unrolled length72 ft
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APOC Gator-Skin Synthetic Roof Underlayment 42 in x 285.8 ft, 1000 sq ft

Coverage area1000 sq.ft.
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Tamko No. 30 UL ASTM Asphalt Saturated Organic Felt Roof Underlayment 36 in x 72 ft, 216 sq ft

Coverage area216 sq.ft.
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APOC SB-1 Weather Armor 2 Square Self-Bond Rubberized Asphalt Roof Underlayment 36 in x 66.7 ft, 200 sq ft

Coverage area200 sq.ft.
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Polyglass Polystick IR-Xe Self-Adhered Ice & Water Protection Shingle Roof Underlayment 36 in x 65 ft 4 in, 195 sq ft

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CertainTeed DryRoof SA Waterproof Rubberized Asphalt Roof Underlayment 36 in x 65 ft, 195 sq ft

Coverage area195 sq.ft.
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Pickup on Fri, Mar 13 from Miami, FL

ABC Pro Guard 20 Synthetic Roof Underlayment 42 in x 286 ft, 1000 sq ft

Coverage area1000 sq.ft.
Underlayment typeSynthetic
Unrolled length286 ft
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GAF WeatherWatch Mineral-Surfaced Rubberized Asphalt Roof Underlayment 36 in x 66.7 ft, 200 sq ft

Coverage area200 sq.ft.
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Overview
Articles

What Makes Boral TileSeal the Industry's Leading Choice?

Westlake Royal TileSeal (formerly Boral TileSeal) represents the pinnacle of roofing underlayment technology, now backed by Westlake Royal Building Solutions' extensive manufacturing network. Originally developed by Boral and refined over nearly a decade, this self-adhered modified asphalt underlayment has become the preferred choice of professional roofers across North America. Since its introduction around 2016, TileSeal HT has established itself as a premium solution with manufacturing facilities strategically located to serve both residential and commercial markets. The acquisition by Westlake Royal has enhanced global distribution capabilities while maintaining the superior quality standards that made boral tile seal underlayment the industry benchmark for high-temperature applications and extreme weather protection.

Why Choose Boral TileSeal Over Competitors?

🌡️ Superior Temperature Resistance - Tested up to 250°F, outperforming standard products rated to 200°F

🔒 Self-Sealing Technology - Modified asphalt core automatically seals around nail penetrations, eliminating exposed fasteners

☀️ Extended UV Protection - UV resistant for up to 6 months exposure, crucial for project delays

✅ 30-Year Limited Warranty - Industry-leading warranty coverage backed by Westlake Royal

Product Specifications and Applications

Feature	TileSeal HT Specifications	Applications
Material Composition	Polymer modified bituminous sheet with polyester non-woven fabric surface	Tile and metal roofing systems
Roll Dimensions	71.3ft x 3ft per roll	Residential and commercial installations
Installation Method	Self-adhering peel-and-stick application	No hot asphalt or special tools required
Temperature Rating	Up to 250°F continuous exposure	High-temperature climates and metal roofs
Fire Rating	ASTM E108 Class A fire rating	All steep-slope roofing materials
Thickness	60 mil modified asphalt membrane	Superior puncture resistance

Target Applications: Ideal for tile and metal roofs requiring premium waterproofing protection, particularly in climates with extreme temperature variations, wind-driven rain, and extended UV exposure during construction.

How Does Boral TileSeal Compare to Leading Competitors?

Feature	Boral TileSeal HT	Grace Ice & Water Shield HT	Polyglass TU Plus
Temperature Rating	250°F	260°F	260°F
Market Experience	Since 2016 (9 years)	45 years (HT version newer)	Since 2006 (19 years)
Price/Performance	⭐⭐⭐⭐⭐	⭐⭐⭐	⭐⭐⭐⭐
Installation Ease	Strong slip-resistant surface	Standard peel-and-stick	Standard peel-and-stick
UV Exposure	6 months	120 days	180 days
Warranty Coverage	30-year limited	Varies by application	30-year limited

Technical Construction and Materials Excellence

Component	Specification	Performance Benefit
Modified Asphalt Core	SBS-modified bituminous compound	Self-sealing around penetrations
Surface Material	Polyester non-woven fabric	Extremely strong slip-resistant surface
Adhesive System	Self-adhering modified asphalt	No mechanical fasteners required
Fire Rating	ASTM E108 Class A certified	Maximum fire safety compliance
Standards Compliance	ASTM D1970 specification	Industry-standard performance guarantee

Miami-Dade County approval demonstrates exceptional wind and weather resistance, while the polyester fabric construction provides superior tear resistance compared to fiberglass-based alternatives.

Professional Recognition and User Feedback

"TileSeal HT has become our go-to underlayment for high-end tile installations. The self-sealing properties around nail penetrations give us confidence in long-term performance."

- Mike Rodriguez, Licensed Roofing Contractor, Phoenix AZ

Certification and Testing: Approved by Miami-Dade County for hurricane-zone applications, with ASTM D1970 and ASTM E108 Class A fire certifications. The product has been extensively tested for thermal stability and weather resistance, making it suitable for both residential and commercial applications where reliability is paramount.

Professional Preference: Preferred choice of roofers, contractors, architects and builders due to its combination of installation ease and long-term performance reliability.

Frequently Asked Questions About Boral TileSeal

Where is TileSeal manufactured and what's the company background?

Originally developed by Boral and now manufactured by Westlake Royal Building Solutions, ensuring consistent quality and nationwide availability through established distribution networks.

What warranty protection does TileSeal provide?

30-year limited manufacturer warranty covers material defects and performance, providing long-term peace of mind for both contractors and property owners.

Is TileSeal suitable for extreme climate conditions?

Tested up to 250°F for high-temperature applications and provides all-season protection against high and low temperatures, making it ideal for desert climates and metal roofing systems.

How does TileSeal perform compared to traditional felt underlayment?

Unlike traditional felt, TileSeal's modified asphalt core seals around nail penetrations, eliminating water infiltration points while providing UV resistance for up to 6 months during construction delays.

What certifications does the product carry?

ASTM D1970 and ASTM E108 Class A fire rating, plus Miami-Dade County approval for hurricane-resistant construction.

Is bulk purchasing available for commercial projects?

Yes, Westlake Royal offers commercial pricing and bulk ordering through authorized distributors, with technical support for large-scale installations.

Secure Your Roof's Future with Boral TileSeal

Experience superior protection with boral tile underlayment - the professional's choice. Check current pricing and discover why leading contractors choose TileSeal for demanding projects.

Get TileSeal Pricing Today