Description

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NOTE- *This fabric is NOW sold in 1 yard increments. Please enter a whole number of yards in the box up top. For example, if you want 7 yards total, enter "7" in the box.*

Waterproof/Breathable (aka WPB) fabric is exactly what the name implies - both waterproof AND breathable. To achieve this, WPB fabric uses a specially formulated laminate film that is highly resistant to water droplet penetration (i.e. rain) while also allowing moisture vapor (i.e. sweat) to pass through and escape.

Ultralight. Our 10 Denier WPB is the result of 8 months of development, testing, and pushing limits. While the even the lightest WPB currently comes in at over 2 oz, our 10D WPB breaks the mold with a finished weight of just 1.4 oz.

Performance. With waterproofness and breathability rivaling or besting the name brands such as Gore-Tex and eVent (see full lab test data), you don't compromise on performance. Go lighter and be more comfortable doing it.

The combination of waterproofness, breathability, and weight make this material excel in ultralight, high-performance rainwear. This variant is a 2.5 layer ultralight WPB, so it's best used in applications where you want the lightest weight and best performance possible, but not necessarily the highest durability.

Typical applications include jackets, over mittens, gaiters, pants, ponchos, bivy shells, and more.

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*Taping - For seam sealing, we recommend using our Cuben Fiber repair tape, which sticks quite well to the PU laminate. Seam-Grip can also be used on the PU laminate side, but is a bit messier and leaves a not so clean finish. For bonding layers (joints, seams, etc), we recommend using our double-sided Cuben Fiber adhesive tape.

*Cleaning - To ensure proper function of your WPB fabric, it is VERY important to keep it clean on both the inside (laminate) and face (10D ripstop nylon). We recommend wiping with a damp cloth periodically to remove dirt, oils, etc that build up over time. You can also purchase a product such as ReviveX Pro Cleaner for prep.

*DWR maintenance - Another key to proper function is periodic DWR maintenance on the face material (10D ripstop nylon). Although we use one of the highest quality 80/20 DWR formulations, deterioration does occur over time. We highly recommend the purchase and use of a DWR restorer such as ReviveX Durable Waterproofing spray.

Specs

Product Details
Width	~57" (selvedge removed)
Weight	1.4 oz/yd²(finished weight)
Denier	10D
Yarn	Nylon 6
Ripstop Grid	Box/square grid (2.5 mm x 2.5 mm)
Finish/Coating	DWR front with WPB PU membrane laminated backside
Laminate Type	2.5 layer proprietary PU laminate
Hydrostatic Head (waterproof rating)	> 9000 mm
MVTR (breathability rating)	> 27,000 g/m²/24 hr
Full Lab Test Data	CLICK HERE

(1) Actual material properties will vary. Values listed represent average values or estimates.

(2) Disclaimer - All information, data, recommendations, etc provided for Ripstop by the Roll products (the Information) is produced for reference only. Ripstop by the Roll assumes no liability arising from (i) the application, processing, or use made of the Information or products; (ii) infringement of the intellectual or industrial property rights of third parties by reason of the application, processing, or use of the Information or products by the Buyer. Buyer shall (i) assume such liability; and (ii) verify the information and the products.

Waterproof/Breathable Laminate/Composite Fabric