350 Premium SBS cap sheet roll (Weatherwood)

Malarkey 350 Premium SBS is a granule-surfaced, polymer-modified (rubberized) asphalt cap sheet supplied in a 1-square roll. Designed for low-slope modified roofing and as a roof covering or fire-rated underlayment applications, it adds durable, UV-protective mineral surface protection.

Key Features:

• Premium SBS-Modified Construction: Polymer-modified (rubberized) asphalt cap sheet built for tough low-slope roofing performance.
• Granule-Surfaced Protection: Mineral granule surface helps protect the membrane from UV exposure and jobsite wear.
• Versatile Use: Can be used as a roof covering or as a fire-rated underlayment (commonly under tile roofs).
• Efficient Coverage per Roll: 1 square (108.3 sq ft) roll helps streamline estimating and installation planning.
• Code/Testing Listings (per manufacturer page): Referenced to ASTM standards and ASTM E108 Class A fire classification.

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What area does one roll cover?
A: One roll covers 1 square (approximately 108.3 sq ft / 10.1 m).

Q: What are the roll dimensions?
A: Approximately 39-3/8 inches wide by 33 feet long.

Q: What is the product made of?
A: Polymer-modified (rubberized) asphalt with a mineral granule surface.

Q: Can this be used under tile roofs?
A: Yesmanufacturer descriptions note it can be used as a roof covering or as a fire-rated underlayment for tile roofs.

Q: What installation method is it intended for?
A: Manufacturer web data references adhered application for this product family; follow the official installation guide for approved methods and details.

A refined, resilient roof layer with a richly textured finish

Theres a quiet luxury in materials that do their job beautifullythis granule-surfaced SBS cap sheet brings a softly textured, mineral finish that reads both purposeful and polished. Layered beneath tile or used as a finished cap, it adds a confident shield against sun exposure and the everyday abrasions that wear a roof down. Pair it with warm, earthy exterior palettes for a seamless, grounded look that feels intentional from every angle. Its the kind of behind-the-scenes essential that makes a home feel effortlessly well-composedand truly protected.

Choose Malarkey 350 Premium SBS to add durable, UV-resistant cap-sheet protection to your low-slope or tile-roof assembly.

Installation