It’s a simple fact: synthetic roof underlayment is very common roofing material. It’s used to line the top of a roof deck to protect it from the elements, and prevent water damage and leaks.

But as you’re probably aware, there are a lot of different types of synthetic roof underlayment available on the market.

And if you’re not sure which one to choose, or which one is the best, you’re not alone. That’s why we decided to research and compile a list of the 10 best synthetic roof underlayments available today.

So whether you’re looking for a cheap, but low-quality synthetic roof underlayment, or a high-end, durable one, you can find it here.

10 Best Synthetic Underlayments For Roofs

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Synthetic Underlayments For Roofs:

# Preview Product Price
1 Tyvek Protec 200 Roof Underlayment Roll - 4' x 50' - 2 Square Tyvek Protec 200 Roof Underlayment Roll – 4′ x 50′ – 2 Square $49.68 View Product
2 ArmorLay 25 Synthetic Roof Underlayment 4' x 250' ArmorLay 25 Synthetic Roof Underlayment 4′ x 250′ $69.99 View Product
3 SIPA Synthetic Roof Underlayment 48” x 250' (1) SIPA Synthetic Roof Underlayment 48” x 250′ (1) $68.00 View Product
4 Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment $148.96 View Product
5 SIPA Synthetic Roof Underlayment 48” x 250” Blue SIPA Synthetic Roof Underlayment 48” x 250” Blue $72.99 View Product
6 HydroShield 50 Year Synthetic Underlayment Single Roll HydroShield 50 Year Synthetic Underlayment Single Roll $110.46 View Product
7 Grace Tri-Flex 15 Synthetic Roofing Underlayment 7 mil, 48' x 250' Roll (1,000 Sq. Ft.) Grace Tri-Flex 15 Synthetic Roofing Underlayment 7 mil, 48″ x 250′ Roll (1,000 Sq. Ft.) $98.68 View Product
8 Tyvek Protec 160 Roof Underlayment - 4' x 250' - 1 Roll Tyvek Protec 160 Roof Underlayment – 4′ x 250′ – 1 Roll $136.88 View Product
9 HydroShield Lifetime Synthetic Underlayment Single Roll HydroShield Lifetime Synthetic Underlayment Single Roll $176.80 View Product
10 FT Synthetics Silver Synthetic Underlayment - Single Roll FT Synthetics Silver Synthetic Underlayment – Single Roll $84.49 View Product

Top Rated Synthetic Underlayments For Roof Reviews

Since we’ve mentioned 10 different models of Synthetic Underlayments For Roofs on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Synthetic Underlayments For Roofs below:

1

Tyvek Protec 200 Roof Underlayment Roll - 4' x 50' - 2 Square
Tyvek Protec 200 Roof Underlayment Roll – 4′ x 50′ – 2 Square

$49.68
View Product
Product Highlights:

  • Industry-leading walkability
  • Offers durability and high-performance under even the most demanding conditions
  • Ideal for sloped (>= 2:12) commercial and residential roofs, new construction and re-roofing applications
  • Easy to chalk
  • Wrinkle-free
2

ArmorLay 25 Synthetic Roof Underlayment 4' x 250'
ArmorLay 25 Synthetic Roof Underlayment 4′ x 250′

$69.99
View Product
Product Highlights:

  • 10 square roll covers 1,000 square feet
  • Meets performance characteristics ASTM D4869 and ASTM D226 Standards
  • 60 Day exposure to UV
  • Slip resistant polymer applied to the bottom surface. Unique textured fabric allows for steep slope walk-ability
  • Won’t buckle, warp, or crack , Water resistant
3

SIPA Synthetic Roof Underlayment 48” x 250' (1)
SIPA Synthetic Roof Underlayment 48” x 250′ (1)

$68.00
View Product
Product Highlights:

  • 10 square roll covers 1,000 square feet, 100GSM
  • Performance characteristics exceed – ASTM D4869, ASTM D226, TDI Listed CCRR #AC207, FBC Approved #FL17188
  • Ultraviolet Exposure for 60 days.
  • Ideal for for sloped Commercial and residential roofs and roofing applications under asphalt shingles or metal cladding
  • Won’t buckle, warp, or crack , Water resistant
4

Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment
Grace Tri-Flex XT 48-in x 250-ft 1000-sq ft Synthetic Roof Underlayment

$148.96
View Product
Product Highlights:

  • Stronger and more durable and can be left exposed for up to 180 days or 6 months.
  • Suitable for use under all major roof coverings.
  • Facilitates faster and easier installation.
  • Lighter and covers more area.
  • Improved Slip Resistant Coating.
5

SIPA Synthetic Roof Underlayment 48” x 250” Blue
SIPA Synthetic Roof Underlayment 48” x 250” Blue

$72.99
View Product
Product Highlights:

  • 10 square roll covers 1,000 square feet, 100GSM
  • Won’t buckle, warp, or crack , Water resistant
  • Ultraviolet Exposure for 60 days.
  • Performance characteristics exceed – ASTM D4869, ASTM D226, TDI Listed CCRR #AC207, FBC Approved #FL17188
  • Ideal for for sloped Commercial and residential roofs and roofing applications under asphalt shingles or metal cladding
Sale6

HydroShield 50 Year Synthetic Underlayment Single Roll
HydroShield 50 Year Synthetic Underlayment Single Roll

$110.46
View Product
Product Highlights:

  • 50-year warranty – guaranteed to shed water.
  • Pre-printed nailing pattern and overlap lines speeds installation.
  • Coverage: 10 Sq.
  • Roll Width: 48in.
  • Roll Length: 250 lineal feet; Weight Per Square: 2.0 lbs; Test Method/Compliant Codes: ASTM D-4869, ASTM D-5034, ASTM D-226, ASTM D-4533, ASTM D-7349, ICC ESR-4487.
7

Grace Tri-Flex 15 Synthetic Roofing Underlayment 7 mil, 48' x 250' Roll (1,000 Sq. Ft.)
Grace Tri-Flex 15 Synthetic Roofing Underlayment 7 mil, 48″ x 250′ Roll (1,000 Sq. Ft.)

$98.68
View Product
Product Highlights:
8

Tyvek Protec 160 Roof Underlayment - 4' x 250' - 1 Roll
Tyvek Protec 160 Roof Underlayment – 4′ x 250′ – 1 Roll

$136.88
View Product
Product Highlights:

  • Compatible with roofs with asphalt shingles, cedar shingles, tile, slate and metal roofs
  • Use for repair, re-roofing and new construction applications
  • Preserves the roof deck during installation and provides an effective secondary moisture barrier.
  • Trusted quality and durability from DuPont Tyvek, backed by a 40 year limited warranty
  • The unique embossed pattern allows for better traction and grip while walking on the roof
9

HydroShield Lifetime Synthetic Underlayment Single Roll
HydroShield Lifetime Synthetic Underlayment Single Roll

$176.80
View Product
Product Highlights:

  • Limited lifetime warranty – exceeds the needs of any final roof covering
  • Coverage: 10 Sq.
  • Roll Width: 48in.
  • Pre-printed nailing pattern and overlap lines speeds installation
  • Roll Length 250 ft., Weight Per Square: 2.8 lbs, Test Method/Compliant Codes: ASTM D-4869, ASTM D-5034, ASTM D-4533, ASTM D-226, ASTM D-779, ICC ESR-4487
10

FT Synthetics Silver Synthetic Underlayment - Single Roll
FT Synthetics Silver Synthetic Underlayment – Single Roll

$84.49
View Product
Product Highlights:

  • GRIPSPOT technology for superior slip resistance
  • Approved for installation over plywood with proper fasteners on roof slopes 2:12 and greater
  • Wrinkle-free and low-temperature flexibility for ease of installation
  • Fully synthetic
  • Excellent UV resistance

Video Overview

Roofing Underlayment 101 – Synthetic vs Tar Paper

So you’re looking for some basic information on #roofingunderlayment right? Well, look no further! We are going to explain exactly what roofing underlayment is, …

Final Words

So, these are all of the Best Synthetic Underlayments For Roofs available on the market. We hope this collection was helpful to find the right Synthetic Underlayments For Roof for the money. However, we recommend checking out the features, benefits, and problems of each of these Synthetic Underlayments For Roofs before taking your decision.