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MATRIX UL ROOF UNDERLAYMENT

Synthetic Roofing Underlayment Membrane

SYNTHETIC. SUPERIOR.

Made from polyolefin and finished cool gray, Matrix UL™ is an unique roofing underlay that meets the most stringent building codes. Resistant to climate and weather, it does not stretch or warp, so the accuracy of its imprinted grid pattern is maintained. Matrix UL™ retains its strength and flexibility even during cold wintertime construction.

Matrix UL being installed

THE EASY CHOICE.

This roofing underlayment features a printed cross-hatch pattern that serves as a visual guide for quick and accurate alignment during installation. It’s highly weather-resistant and includes UV inhibitors for added protection. With an exceptional strength-to-weight ratio, it’s easy to transport and handle on-site. Compared to traditional 30# felt, it’s nine times lighter, five times stronger in tensile strength, and offers 40% greater nail pullout resistance, making it a superior choice for both performance and ease of use.

Cross-Hatch Pattern

Printed pattern line markings that make it easy to install the underlay square to the roof ridge so it becomes a template for quick and accurate roofing

Weather Resistant

Doesn't hold water or degrade when wet with no dry-out time needed. Treated with UV inhibitors for extra protection

Strength

Extraordinary strength-to-weight ratio making it easier to transport and handle on the site

Compared to 30# Felt

9 times lighter, 5 times the tensile strength, and 40% greater nail pullout resistance than traditional 30# felt roofing underlayment

TECHNICAL SPECIFICATIONS

Product CodeMaterialColorUnit Weight
(ASTM D3776)
Application
Matrix ULPolypropylene nonwoven, coated on two sides with polyethyleneGrey4.5 oz/yd2 (151 g/m2)Roofing Underlayment with cross-hatch grid pattern
Matrix XLBreathable membrane laminate made from polypropylene nonwovenGrey5.4 oz/yd2 (183 g/m2)Premium, Breathable Roofing Underlayment
Matrix VIEHDPE tapes coated on one side with LDPEBlack with blue lace coating2.5 oz/yd2 (86 g/m2)For Protected Membrane Roofing Systems (PMR)

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