Importivity
Synthetic Underlayment, 110 gsmSave 14%
The 4 pallet minimum224 rolls
At wholesale
$9,050
Through us, DDP
$7,557
You save

$1,493

Synthetic Underlayment

Synthetic Underlayment, 110 gsm

The heaviest weight in the line. 110 gsm woven synthetic, 48 in. by 250 ft, 10 squares to the roll.

$34.78/ roll$40.4014% off

$5.62 below the typical distributor price for this category (estimated), every roll.

One pallet is 56 rolls at $1,947.684 pallet minimum
PalletsDiscountPer rollTotal
4 min3%$33.74$7,557.00
8+5%$33.04$14,802.40
12+8%$32.20$21,638.40
4 pallets, DDP$7,557.00

224 rolls at $33.74 per roll, 3% volume discount included

You save $1,493 at this quantity, 16% off distributor pricing

  • Freight, duty and tariffs in the price
  • Inspected before it ships
  • Any samples you want, $5

Product details

The heaviest synthetic in our line at 110 gsm. Specify it where the deck will be open for a while, where the crew is working a steep pitch, or where the job calls for a premium underlayment on the submittal.

Woven polypropylene with a high-tensile scrim, so it takes foot traffic and staging without tearing at the fastener. The embossed walking surface holds grip better than felt when the deck heats up. UV-stable for extended exposure before the shingle goes down.

Specifications

Size
48" x 250'
Weight
110 gsm
Coverage
1,000 sq ft per roll
Sold by
Roll
Per pallet
56 rolls
Min. order
4 pallets (224 rolls)
Terms
DDP, USD

How does this price compare?

Every bar is a delivered price for the same product and the same roll. Ours is landed and duty paid, so nothing gets added to it afterwards.

  • Importivity, DDP$34.78
  • Typical distributor price(est.)$40.40
You save 14%$5.62 every roll
On one pallet
$315
vs $1,947.68 through us
On the 4 pallet minimum
$1,493
vs $7,557 through us
$34.78per rollDDP

Delivered duty paid is the price to your yard, not the price at the factory gate. Nothing below gets added to it afterwards.

What this price includes

  • The product itselfEx factory, made to the spec on this page
  • Ocean and inland freightPort to port, then onward to you
  • Import duties and tariffsPaid by us, at the correct rate
  • Customs clearance and insuranceEntry filed and cargo covered in transit
  • Final delivery to your yardOffloaded at the address you give us

Estimated, not quoted. We hold no distributor price for this exact SKU, so this carries across the narrowest verified gap in the category: The Roof Store's delivered price for Underlayment 100 gsm. Send us your current delivered price and the roofing desk will confirm the real number against it. The per-unit and per-pallet figures are before the volume discount; the minimum-order figure includes it.

What this line costs you a year, and what you keep

Tell us how much work you put out in a year. We will size the order, apply the volume discount you would earn, and show what the same quantity costs at distributor pricing.

roofs
squares3,000 sq ft
rolls per year

330

Pallets to order

6 (336 rolls)

3% volume discount at this size

Your cost through us

$11,133

after $344 volume discount

Cost at distributor pricing

$13,332

$40.40 per roll, delivered

At wholesale
$13,332
Through us
$11,133
You keep, every year

$2,199

16% below typical distributor pricing on 330 rolls across 100 roofs, including your 3% volume discount.

Those are your numbers. Adding puts 6 pallets of Underlayment 110 gsm in your container, and the volume discount is applied at checkout.

Assumption: About 1.1 rolls per 10 squares, after course overlap. A square is 100 sq ft, so a 30 square roof is 3,000 sq ft. Both columns are priced on the same roll count. Change the inputs above and every figure updates. These are planning estimates for sizing an order, not a quote. Final DDP pricing is confirmed against your delivery address before anything ships. Estimated, not quoted. We hold no distributor price for this exact SKU, so this carries across the narrowest verified gap in the category: The Roof Store's delivered price for Underlayment 100 gsm. Send us your current delivered price and the roofing desk will confirm the real number against it.

Goes with this

The whole 2026 line card
Cap Nails, 1 in.Save 64%

Cap Nails, 1 in.

Our price, DDP
$9.94/ bucket

Freight, duties and delivery to your yard included

Per bucket
vs SRS Building Products
$27.75
You save
$17.81 / bucket

Plus up to 8% volume discount at checkout

See the full breakdown
Drip Edge, FHASave 23%

Drip Edge, FHA

Our price, DDP
$4.30/ piece

Freight, duties and delivery to your yard included

Per piece
vs wholesale, est.
$5.56
You save
$1.26 / piece

Plus up to 8% volume discount at checkout

See the full breakdown

Common questions

How much do I save on underlayment 110 gsm?
$5.62 every roll, which is 14 percent below the typical distributor price for this category. Across the 4 pallet minimum, which is 224 rolls, that is $1,493 on a single order, including the 3% volume discount that order size earns.
How does the volume discount work on this line?
It comes off automatically at checkout, on top of the price shown. 4 pallets or more takes 3 percent off, 8 pallets or more takes 5 percent off, 12 pallets or more takes 8 percent off. This line has a 4 pallet minimum, so the smallest order you can place already earns 3 percent, worth $234.
What is the minimum order on underlayment 110 gsm?
4 pallets, which is 224 rolls and works out at $7,557.00 delivered duty paid after the 3 percent volume discount. One pallet is 56 rolls at $1,947.68.
Is freight on top of this price?
No. $34.78 per roll is DDP: product, ocean and inland freight, insurance, customs clearance, import duties and tariffs, and delivery to your destination are all inside it. The distributor prices we compare against are delivered prices too, so the gap is like for like.

$1,493 is sitting in one order of this.

That is the gap on the 4 pallet minimum alone, before the volume discount. Not ready to commit? Samples are $5 for the whole order, so you can check the goods on your own gun first.

Back to the line cardTalk to the roofing desk