1.1 oz Silpoly PU4000

Purchased this to sew up custom ground cloths for my tarps. It sewed up so easy. Fabric is great to deal with. And the ground covers / stuff sacks are really nice. Love this stuff.

This was my first MYOG project and I made a custom ground sheet for my odd shaped tent. The PU silpoly was extremely easy to work with and the project turned out great. Even had enough to make a small stuff sack for it. RSBTR is awesome! Shipping was fast, the site has all the info you need to get started, and they have an awesome selection that’s hard to find elsewhere.

This turned out to be the perfect material for a custom poncho sized to fit over my backpack, obviating the need for a pack cover. Finished weight is 7.8 ounces, which is less than a Frog Toggs poncho weighs, yet it offers more coverage. The new poncho got a tough workout the first two weeks in March on a 10-day, 120 mile section hike of the AT in North Carolina and Georgia where it kept me and my gear dry during two days of torrential rains and high winds. This fabric is an excellent choice for anything you want to keep dry.

Bought this to use as reinforcement on my tarps as its bit stronger than the normal 1.1oz Eco silpoly which is the main fabric that I use. Works beautifully. Also speed of packaging and delivery is superb. I live in the UK and it could not be simpler.

I purchased this to make a Philmont compliant tarp that would weigh substantially less than the crew gear one provided. Tarp was 10x12 with grosgrain loops to as tie outs. I laminated an additional reinforcement layer at each tie out (PU side to PU side) using Seam Grip +WP that I thinned with toluene and applied with a brush. No delamination after 12 days at Philmont with rain for a few hours to all day on 10 of those days. This material is essentially rainproof and will actually hold standing water. Things remained dry after 12+ hours of driving rain at over 8000 ft of elevation. I have not weighed the tarp alone, but with stakes and line it was just under 2 lbs.
Fabric was super easy to work with compared to membrane silnylon and is much stronger at resisting thread pulling through the fabric when under tension.

Used for a bathtub floor for a tent. The PU coating reduces the slip of normal silpoly making it a lot easier to sew.

Great product. Bought for footprint and rain fly for my tentFoot print was completed before trip. Rain fly not, but used straight from roll material, with 6 stones tied in corners and mid with chalk line for quick and super effective fly to keep Labrador, CAN rain at bay. 👍
RWR

I have made a few free standing tents over the last 2 years and I found out silnylon is a slip and slide when used as a tent floor. This Silpoly PU4000 has enough urethane to create some traction and still stay pretty light. I just wish RSBTR would update their projects page so the DIY community can continue to share and inspire

I recently purchased some silpoly 1.1 Oz pu 4000 to make a pack cover. The material it is a little heavier than regular soap Ali 1.1 Oz but it works great as a pack cover.

Great materials and excellent service, with super prompt delivery to Australia.

The Silpoly PU4000 is perfect for my tarp use! Easy to work with and is nice and lightweight. Will be putting it to the test this June on an 8 day trip to the Golden Trout Wilderness area.
The folks at RBTR got my order to me in good condition, with reasonable shipping and in a timely manner. I live in Hawaii so thats a big plus.

Loved the ability to pick the perfect fabric type and color for this easy project. Saved big $$ over buying ready made.

I have not used the material yet, but was impressed by the efficient despatch and the short delay before it arrived. I plan to order more for my small personal use.

Best

The fabric is as expected. Can be bonded with seamgrip wp or fc.

I made a 9 x 9 flat tarp with the sil/pu poly fabric. Easy to work with, looks to be very waterproof. Quite pleased.

cool fabric, low stretch and surprisingly resistant to pulling forces

Happy with my purchase

I was really happy with the products and services of your business. However, it was a big shop and a considerable amount of tax and vat charged by Irish customs. Maybe you put that on your web site but I wouldn't have bought the products if I had realised what I would be liable for. A real pity because I couldn't source the products I wanted in Europe

This was my first diy tarp project. I wanted a tarp that would better cover my hammock and weigh less than my eno tarp. So I started my search on YouTube and like always found more videos than I could ever watch. But the important thing was I found out about Ripstop By The Roll. So I found what I wanted on their website and 3 days later I was using my wife's sewing machine in the living room making a mess as well as a tarp. I was able to get great coverage for the hammock and I lost 10 ounces of weight. I couldn't have been happier. Until my son came by and ask me where I bought my new tarp. Now not only am I happier but I'm very proud of the job I've done making my newest piece of light weight gear. Thank you Ripstop By The Roll for being there for folks like myself. And of course the folks that actually know what they are doing.

All of the Silpoly fabrics are astonishingly durable despite their featherweight appeal. They seem to retain their full integrity and hydrophobic properties over time. I made a minimalist bivy tent a year ago in the .93, and it held up well over ten months of periodic misuse throughout Central Asia. The 1.1 in particular is resistant to tears in any direction. Its a marginal weight penalty over the .93 membrane, but feels significantly more substantial. No matter your choice, you'll find it to be as slippery as a politician, but even as a blind novice with an aptitude for learning through failure, I eventually figured out how to work effectively with it. Now from all my toils, and after unleashing a couple cursing storms, I have (proudly) procured another larger tent, two rain jackets for my girl and myself, and numerous drawsacks of varying shapes and sizes. Thank you guys for stoking the flames of a new hobby/obsession!

Very nice fabric, fairly easy to work with and sew. Just finished building a tarp, so can’t comment on durability or waterproofness yet.

Full disclosure, I'm still finishing my project, so I can't comment on field performance yet. Fabric arrived the correct size, and is very uniform and easy to work with. The stickier in-side of this fabric make it much easier to use than silnylon options in my opinion. Unfortunately the reason for my 3 star review is that the colors bleed/rub off quite easily. I folded my project shiny side in with Orange sections touching Blue sections. After only 1 week of being stored like this, the blue bled into the orange, giving my orange panels a now permanent dusting of blue sections. This is likely not a problem for colors that are more closely matched, and also doesn't impact the function of my tent. But this was disappointing to me none the less.

Great material, fast delivery, order is always correct and complete. Just a great company to deal with.

easy to work with

RBTR initially sent me the wrong fabric, but they quickly made it right by sending the PU4000 without asking for the other fabric back, which was greatly appreciated- points for that. The material seems solid, however it is actually 1.8oz/yd instead of the 1.4 that was claimed. Disappointing, as it adds a good amount of weight to my tent.

This strong fabric is great for a durable ground cover. Highly recommended.