Roof Underlayment
FailBuyers convert on only 1.1% of searches, so Roof Underlayment is a Fail.
- Flapen Score
- 42 / 100Ranks 6,968 of 9,536 Tools & Home Improvement niches · −6 vs the category median of 4842
- Market size
- $59K/yr66K searches / yr
- 90-day growth
- +22.5%search demand this quarter
- Competition
- 62%top-5 click share · 18 brands · 51 sellers
Flapen Score
Roof Underlayment against its category
The dotted line is the Tools & Home Improvement average. Past it, Roof Underlayment is stronger. Inside it, weaker.
Market
The Roof Underlayment market on Amazon at a glance
Shoppers on Amazon United States searched for Roof Underlayment 66K times last year and spent an estimated $59K. The top 5 brands take 66% of clicks. Flapen scores it 42 out of 100, a Fail.
01 · Demand
1.1% of searches ended in a purchase last week.
Shoppers searched for this 66K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 1.1% of those searches ended in a purchase. Searches in the last 90 days moved +22.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $59K a year.
- Searches, last 12 months
- 66K
- Growth, 90 days vs prior 90
- +22.5%
- Conversion, latest week
- 1.1%
- Market size, estimated
- $59Ka year
- Peak month
- October1.7× the quietest month
- Top search term
- roof underlayment11K searches a year
02 · Price
A sale here is worth $78.30.
Listings sell for $78.30 on average, from $8.32 to $186.16. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $78.30 that is $0 to $8K a year per listing.
- Average price
- $78.30inside the $15 to $100 sweet spot
- Price range
- $8.32–$186.16
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$8K
- Returns
- 5.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
68% of listings pay for placement with sponsored ads. 59% ship with Prime. On an average day, 9.3% of listings are out of stock. The average listing ranks #1,254 within Flooring. It carries 90 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 68%
- Prime listings
- 59%
- Out of stock, average day
- 9.3%
- Average rank
- #1,254in Flooring
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 90per listing
- Listings tracked
- 22
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top Roof Underlayment products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Grip-Rite SL154250LWE 48 in. x 250 ft. (1000 sq. ft.) Synthetic Roofing Underlayment
- Price
- $60.01
- Rating
- 4.9/5
- Reviews
- 26
- Age
- 5y ago

SIPA 100 GSM Synthetic Waterproof Roof Underlayment 48 x 250 (1)
- Price
- $77.16
- Rating
- 4.4/5
- Reviews
- 149
- Age
- 5y ago

BXI SBS Modified Bitumen Waterproofing Membrane Roll 13 Inch x 8.2 Feet Thick Flexible Torch-on Asphalt Roofing Material Self-Healing Flashing Sealant Outdoor Roof Foundation Ice and Water Shield
- Price
- $38.41
- Rating
- 3.6/5
- Reviews
- 34
- Age
- 1y ago

Saint-Gobain FibaTape ADFORS Roof Repair Fabric - 6 inches x 25 feet - Black
- Price
- $8.32
- Rating
- 4.3/5
- Reviews
- 69
- Age
- 19y ago

ROBERTS 70-115 Moisture Barricade Underlayment Film for Vinyl Laminate SPC Engineered Wood Floors 6 mil. Thick Polyethylene 120 Sq. Foot Roll Black
- Price
- $21.78
- Rating
- 4.5/5
- Reviews
- 801
- Age
- 15y ago
Trending
90-day click momentum
GAP Roofing Black 216 sq. ft. #30 Roofing Felt
- Price
- $64.84
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 12y ago

GAP Roofing 15 lb. Black Roofing Felt
- Price
- $57.58
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 12y ago

Empire USA - Camel Billiard Worsted Speed Cloth/Felt - 8ft
- Price
- $135.80
- Rating
- 3.8/5
- Reviews
- 6
- Age
- 1y ago

HURDEX Breathable House Wrap & Roof Underlayment 40 in x 33 ft (108 Sq Ft) - 170 GSM Heavy-Duty Weather Resistant Barrier 3-Layer Waterproof Building Wrap for Sheds Garages Tiny Homes & Cabins
- Price
- $35.04
- Rating
- 3.3/5
- Reviews
- 2
- Age
- 1y ago

Tarco Std30 36X72 #30 Asphalt Felt Felt Asphalt Rolls
- Price
- $66.91
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 15y ago
Newest
by launch date
Pushglossy 1 Roll EPDM Rubber Roofing Membrane 39 x 10ft Butyl Self-Adhesive Waterproof Underlayment 50 Mil Butyl Rubber Backed Flat Roof Sheet Ice and Water Sheet for RV Shed Garage and Patio
- Price
- $73.08
- Rating
- 4.4/5
- Reviews
- 25
- Age
- 10mo ago

foriy Waterproofing Membrane 39.6in x 196.9in Self-Adhesive Roofing Felt Bitumen Waterproof Repair Tape Roof Underlayment Protector Roll Patch Seal Tape Roof Cladding for Roof Leak (3.3x16.4ft)
- Price
- $70.45
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 1y ago

FT Synthetics Platinum HT-SA Ice & Water Roofing Underlayment 41 mil 36 x 67 High-Temp Self-Adhering Nail Sealable UV Resistant ASTM/CSA Certified Lifetime Warranty
- Price
- $159.00
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1y ago

HURDEX Breathable House Wrap & Roof Underlayment 40 in x 33 ft (108 Sq Ft) - 170 GSM Heavy-Duty Weather Resistant Barrier 3-Layer Waterproof Building Wrap for Sheds Garages Tiny Homes & Cabins
- Price
- $35.04
- Rating
- 3.3/5
- Reviews
- 2
- Age
- 1y ago

HSS EPDM Waterproofing Membrane EasyStick - 52 Mil - Reinforced - Waterproof - self-Adhesive - Longlasting Waterproof Sheet - Black - 39 inch x 16 feet
- Price
- $129.43
- Rating
- 4.6/5
- Reviews
- 62
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 62% of clicks. Leaders hold, but buyers still shop past them.
Brands
18 flat
Sellers
51
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
62%
Top 20: 98%
Open market
28%
- Grip-Rite24%
- SIPA12%
- ADFORS11%
- BXI9%
- ROBERTS9%
- American Saturated Felt7%
Demand
Roof Underlayment search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top Roof Underlayment search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- roof underlayment11K/yr
- roofing paper11K/yr
- roofing felt11K/yr
- roofing underlayment9K/yr
- tar paper for roof8K/yr
- synthetic roofing underlayment3K/yr
- synthetic roof underlayment3K/yr
- roof felt3K/yr
- roofing tar paper3K/yr
- roof underlayment waterproof4K/yr
Reviews and returns
What reviews say buyers love and hate about Roof Underlayment
We read the reviews and the return reasons for every product selling here.
“Zero Stickiness, Unusable”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Roof Underlayment questions
Answered from the same tracked data.









