Roof Underlayments  (619 products)

Filter By

See All
See All
See All
See All
See All
See All
See All
(FE1000) No. 15 Plain Felt ASTM D-226 - 4 SQ. Roll

Hal Industries

(FE1000) No. 15 Plain Felt ASTM D-226 - 4 SQ. Roll

(FE2000) No. 15 Underlayment ASTM D-4869 - 4 SQ. Roll

Hal Industries

(FE2000) No. 15 Underlayment ASTM D-4869 - 4 SQ. Roll

(FE1400) No. 30 Plain Felt ASTM D-226 - 2 SQ. Roll

Hal Industries

(FE1400) No. 30 Plain Felt ASTM D-226 - 2 SQ. Roll

(FE2025) P40 No. 15 Asphalt Felt - Non-perforated - 4 SQ. Roll

Hal Industries

(FE2025) P40 No. 15 Asphalt Felt - Non-perforated - 4 SQ. Roll

4' x 250' Advantage-30 Synthetic Roofing Underlayment - 10 SQ. Roll

WaterBlock

4' x 250' Advantage-30 Synthetic Roofing Underlayment - 10 SQ. Roll

Polystick® MU-X Self-Adhered Film-Surfaced Roof Underlayment

Polyglass

Polystick® MU-X Self-Adhered Film-Surfaced Roof Underlayment

15# Felt ASTM D-226 - 4 SQ. Roll

GMC

15# Felt ASTM D-226 - 4 SQ. Roll

15# Felt ASTM D-4869 - 4 SQ. Roll

GMC

15# Felt ASTM D-4869 - 4 SQ. Roll

30# Felt ASTM D-226 - 2 SQ. Roll

GMC

30# Felt ASTM D-226 - 2 SQ. Roll

30# Shake Felt ASTM D-226 - 1 SQ. Roll

GMC

30# Shake Felt ASTM D-226 - 1 SQ. Roll

36" x 67' Rainproof 40™ High Performance Roof Underlayment

Protecto Wrap

36" x 67' Rainproof 40™ High Performance Roof Underlayment

4' x 250' ShingleLayment-15® Synthetic Roofing Underlayment - 10 SQ. Roll

Grip-Rite

4' x 250' ShingleLayment-15® Synthetic Roofing Underlayment - 10 SQ. Roll

#30 18" ASTM D226 Split Felt - 2/3 SQ. Roll

United Roofing Manufacturing

#30 18" ASTM D226 Split Felt - 2/3 SQ. Roll

3.1' x 145' Roofing Underlayment

SafeGuard30

3.1' x 145' Roofing Underlayment

(FE1725) P20 Plain Felt - Non-Rated - 2 SQ. Roll

Hal Industries

(FE1725) P20 Plain Felt - Non-Rated - 2 SQ. Roll

VulcaSeal ASTM UL™ 15# Perforated Saturated Felt Underlayment - 4 SQ. Roll

Fontana Paper Mill

VulcaSeal ASTM UL™ 15# Perforated Saturated Felt Underlayment - 4 SQ. Roll

Synthetic Underlayment - 10 SQ. Roll

Generic

Synthetic Underlayment - 10 SQ. Roll

18" #30 Split Roofing Felt Underlayment

Warrior Roofing Manufacturing

18" #30 Split Roofing Felt Underlayment

MaxFelt XT Synthetic Roofing Underlayment - 5 SQ. Roll

Max Roofing Products

MaxFelt XT Synthetic Roofing Underlayment - 5 SQ. Roll

ProtecTite® Superior Synthetic Roofing Underlayment

Epilay

ProtecTite® Superior Synthetic Roofing Underlayment

CoverPRO® 2000 Synthetic Roofing Underlayment - 4 SQ. Roll

System Components

CoverPRO® 2000 Synthetic Roofing Underlayment - 4 SQ. Roll

48" x 250' Synthetic Guard Underlayment - 9.2 SQ. Roll

TAMKO

48" x 250' Synthetic Guard Underlayment - 9.2 SQ. Roll

48" x 250' Synthetic Guard Plus™ Underlayment - 9.2 SQ. Roll

TAMKO

48" x 250' Synthetic Guard Plus™ Underlayment - 9.2 SQ. Roll

TW Self-Adhering Roofing Underlayment - Summer Grade - 2 SQ. Roll

TAMKO

TW Self-Adhering Roofing Underlayment - Summer Grade - 2 SQ. Roll