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Right Start® UDL Underlayment

Right Start® UDL Underlayment

Malarkey Roofing Products

Right Start® UDL Underlayment

Underlayment for Tile Roofs

Made with our industry-leading NEX® Polymer Modified (Rubberized) Asphalt technology, Right Start® UDL is our go-to, dependable underlayment for withstanding the extra weight of tile roofs.

Underlayment for Shingles and Tile Roofs

A new roof requires more than just shingles. It’s a cohesive, coordinated system of 5 parts: 1) shingles, 2) underlayment, 3) ice and water barrier, 4) starter shingles, and 5) hip & ridge shingles.

Underlayment sits under the shingle and provides a vapor barrier covering the entire roof.

Malarkey offers two underlayments tailored to asphalt shingle roofs. Right Start® UDL is a superior underlayment, also suitable for tile roofs.

Specification

Technical Specs
SKU: UDL
Length: 66′
Width: 39-3/8″
SQ/Roll: 2
Thickness: 50 mils nominal
Testing Compliance
ASTM D4869
ASTM D4601
ASTM D226
ASTM D6757
ASTM E108
FBC Approval #14807
FBC Approval #15214
Shipping Specifications
SQ/Roll: 2
Rolls/Pallet: 30
Rolls/Truckload: 600

Technical specification

Unique ref.right-start-udl-underlayment
Product familyAccessories
Product groupShingle Underlayments
TypeObject (single object)
Date of publishing2025-03-03
Edition number1

Links

Product urlhttps://www.malarkeyroofing.com/products/accessories/right-start-udl/
Installation instructionshttps://www.malarkeyroofing.com/app/uploads/2021/05/right-start-udl-installation-guide-malarkey.pdf
Technical descriptionhttps://www.malarkeyroofing.com/app/uploads/2021/05/right-start-udl-tech-data-sheet-malarkey.pdf

Related

Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryConstruction - Roof
IFC classificationRoof
ETIM CodeEC011784
ETIM NameBituminous roof shingle
Uniclass 2015 CodePr_25_57_08_71
Uniclass 2015 DescriptionReinforced bitumen membrane perforated underlays
CSI MasterFormat 2014 Code06 16 26
CSI MasterFormat 2014 TitleUnderlayment
OmniClass Number23-13 39 13
OmniClass TitleRoof Underlayment

Region availability

North America
Canada
United States

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