ICE & WATER UNDERLAYMENT

LAMA UL

Premium roofing underlayment providing protection against ice and water intrusion in residential roofing applications.

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ICE & WATER UNDERLAYMENT

At a Glance

Premium roofing underlayment providing protection against ice and water intrusion in residential roofing applications.

Dimensions
0.915 x 20m || 36"x65'
Top Surface
Sanded
Thickness
1mm || 40 mils, 1.2mm || 48 mils
Rolls Per Pallet
30
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Why Choose LAMA UL

Key Features

01

Bonds to wood, OSB, metal, and concrete substrates

02

Self-seals around nails and fasteners to block water intrusion

03

Designed to resist ice dams and wind-driven rain

04

Reinforced core for dimensional stability and wrinkle resistance

05

Slip-resistant top surface for safer installation

Technical Data

Specifications

Thickness Options
1mm || 40 mils, 1.2mm || 48 mils
Dimensions
0.915 x 20m || 36"x65'
Top Surface
Sanded
Bottom Surface
Split-Release Siliconized Film
Reinforcement
Fiberglass
Rolls Per Pallet
30

Use Cases

Applications

Eaves, rakes, and overhang protection on steep-slope roofs

Valley, dormer, and penetration waterproofing

Ice-dam protection in cold-climate regions

Transition zones between low-slope and steep-slope assemblies

Roof deck dry-in and temporary weather shield during installation

Perimeter and detail flashing for shingle, metal, and tile roofs

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