Roof Underlayments  (619 products)

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#15 ASTM Felt - 4 SQ. Roll

Mid-States Asphalt

#15 ASTM Felt - 4 SQ. Roll

Z-Felt 30 Shingle Felt

Mid-States Asphalt

Z-Felt 30 Shingle Felt

Polystick® TU PLUS Self-Adhered High Temperature Roof Underlayment

Polyglass

Polystick® TU PLUS Self-Adhered High Temperature Roof Underlayment

18" #30 Jumbo Split Felt Shake Underlayment

G.A.P Roofing

18" #30 Jumbo Split Felt Shake Underlayment

VulcaSeal G40 Fiberglass Modified Tile & Metal Roof Underlayment - 2 SQ. Roll

Fontana Paper Mill

VulcaSeal G40 Fiberglass Modified Tile & Metal Roof Underlayment - 2 SQ. Roll

VulcaSeal ASTM D226 15# Felt Shingle Roof Underlayment - 4 SQ. Roll

Fontana Paper Mill

VulcaSeal ASTM D226 15# Felt Shingle Roof Underlayment - 4 SQ. Roll

VulcaSeal ASTM 15# Perforated Built-Up Roofing Underlayment

Fontana Paper Mill

VulcaSeal ASTM 15# Perforated Built-Up Roofing Underlayment

VulcaSeal ASTM 30# 18" Shake Felt Underlayment - 1 SQ. Roll

Fontana Paper Mill

VulcaSeal ASTM 30# 18" Shake Felt Underlayment - 1 SQ. Roll

VulcaSeal ASTM 30# 22" Shake Felt Underlayment - 1 SQ. Roll

Fontana Paper Mill

VulcaSeal ASTM 30# 22" Shake Felt Underlayment - 1 SQ. Roll

VulcaSeal Organic Felt Base 40# Tile & Metal Roof Underlayment - 2 SQ. Roll

Fontana Paper Mill

VulcaSeal Organic Felt Base 40# Tile & Metal Roof Underlayment - 2 SQ. Roll

18" 30# Felt ASTM - 1 SQ. Roll

GMC

18" 30# Felt ASTM - 1 SQ. Roll

22" 30# Felt ASTM - 1 SQ. Roll

GMC

22" 30# Felt ASTM - 1 SQ. Roll

No. 30 Specification Felt Underlayment

Tarco

No. 30 Specification Felt Underlayment

TAMKO Slate Surfaced Roll Roofing - 1 SQ. Roll

TAMKO

  • Weathered Wood
  • Rustic Black
  • Rustic Cedar
  • White
  • Empire Green Blend
  • +1 more

Slate Surfaced Roll Roofing - 1 SQ. Roll

No. 15 Specification Felt Underlayment

Tarco

No. 15 Specification Felt Underlayment

48" x 250' FelTex® Underlayment - 10 SQ. Roll

System Components

48" x 250' FelTex® Underlayment - 10 SQ. Roll

48" x 250' Sharkskin Comp Underlayment - 10 SQ. Roll

Kirsch Building Products

48" x 250' Sharkskin Comp Underlayment - 10 SQ. Roll

LeakBarrier EasyLay Underlayment - 4 SQ. Roll

Tarco

LeakBarrier EasyLay Underlayment - 4 SQ. Roll

Gorilla Guard® 30 Engineered Felt Roof Underlayment - 4 SQ. Roll

Atlas Roofing

Gorilla Guard® 30 Engineered Felt Roof Underlayment - 4 SQ. Roll

TileSeal™ HT Self-Adhered Modified Asphalt Roofing Underlayment

Westlake Royal Roofing Components

TileSeal™ HT Self-Adhered Modified Asphalt Roofing Underlayment

18" Z-Felt #30 Split Underlayment - 108 Sq. Ft.

Mid-States Asphalt

18" Z-Felt #30 Split Underlayment - 108 Sq. Ft.

#30 Plain ASTM #4869 Felt

G.A.P Roofing

#30 Plain ASTM #4869 Felt

#15 Plain ASTM #4869 Felt

G.A.P Roofing

#15 Plain ASTM #4869 Felt

46" x 130.5' Sharkskin Ultra SA Self-Adhered Underlayment - 5 SQ. Roll

Kirsch Building Products

46" x 130.5' Sharkskin Ultra SA Self-Adhered Underlayment - 5 SQ. Roll