How to make a DIY Asymmetrical hammock camping tarp: MYOG

This is an easy DIY hammock camping tarp with no seams. Super project for Scouts & DIYers looking for an ultra light tarp for moderate weather conditions.

How to make a DIY Asymmetrical hammock camping tarp: MYOG

This is the easiest DIY hammock camping tarp you can make because it has no seams. This DIY hammock tarp is an awesome project for Scouts and DIYers looking for a tarp that does not have a seam down the center (seams can leak).

Where to get the stuff to make a hammock tarp

How to make a DIY Asymmetrical camping hammock tarp: MYOG Hennessy Hammock has a line of Asym tarps. Standard on most hammock system models they sell.

Hennessy Hammock has a line of Asym tarps. Standard on most hammock system models they sell.

The steps are really this simple:
1) Measure and cut the fabric
2) Roll hem or apply grosgrain to the 4 edges
3) Add reinforcements to the four corners
4) Add your ridgeline lines.
5) Add your side lines.
6) Seam seal. Hmmm. Wait a second. There are no seams. Just seal the reinforcements.

DIY Asymetrical hammock camping tarp: MYOG Side view of Asym hammock camping tarp

Side view of Asym hammock camping tarp

Materials used for this Asym camping hammock tarp
-One piece of blue 1.1oz SilNylon measuring 65″ wide x 155″ long (you likely want to start with 132″ long for an 11′ tarp)
Lemon Yellow 1.9 SilNylon from Noah Lampart (use whatever color and material weight you like)
-About 40′ of 7/8″ grosgrain ribbon. I prefer to use 3/4″, but I had the 7/8″ on hand
-An unknown quantity of gutterman 100% polyester thread
-About 1 square foot of Lemon Yellow 1.9 SilNylon for main tie-out reinforcements
-Seam sealer or a small tube of 100% silicone caulk and a few ounces of mineral spirits

Steps in more detail:
1) Measure and cut the fabric
First you have to decide on the dimensions. Most folks use 5′ wide x 11′ long, as illustrated by BackWoodsDayDreamer:

How to make a DIY asymmetrical hammock camping tarp: MYOG BD Fair Weather Friend. Diagonal dimension is wrong. It is 12ft 1in on diagonal.

BD Fair Weather Friend. Diagonal dimension is wrong. It is 12ft 1in on diagonal.

I wanted to try a longer tarp, so I started with 155″ long, but may trim this down in the future.
Edit: 155″ long proved to be too long for this tarp design. Rather than cut it down, I added new side tie outs 2 feet from one end of the tarp. I use these to effectively shorten the tarp to 131″, which is still a touch on the long side. The 2 feet of tarp beyond the new attachment points hangs down and provides a nice additional privacy flap or wind-break.

2) Roll hem or apply grosgrain to the 4 edges
Either works fine. The goal is to protect the edge from fraying. You can do this by rolling it under itself and sewing, or by folding a grosgrain ribbon around the edge and sewing. My machine has a binding foot that makes attaching grosgrain ribbon relatively easy, so that is what I do most often.
I think that the grosgrain provides a more finished looking edge also.

3) Add reinforcements to the four corners

DIY Asymetrical hammock camping tarp: MYOG Ridgeline end corner reinforcement

Ridgeline end corner reinforcement Ridgeline end corner reinforcement

4) Add your ridgeline lines
There are a variety of ways you can do this. I use a simple system where I clip a line to the ridgeline loop on the tarp with a mini carabiner. I wrap the line around the tree and back to the hammock. I cut a piece of line about 13″ long and made a loop about 12″ around, or 6″ long. I use the loop to make a prusik knot around the free end of the line coming from the tarp. I clip the loop of line into the carabiner. This allows easy adjustment at each end of the tarp, and provides a gap for the hammock suspension line to pass.

DIY Asymetrical hammock camping tarp: MYOG Ridgeline tie out

Ridgeline tie out

5) Add your side lines
You can tie them directly to the corners of the tarp, or attach with short loops of shock cord to prevent damage if someone trips over the line, and to keep the tarp tight as the fabric stretches.

DIY Asymetrical hammock camping tarp: MYOG Side tie out

Side tie out

6) Seal the reinforcements
Use a seam sealer that is compatible with your chosen fabric. For SilNylon, I brush on a solution of 1 part 100% silicone caulk to 4 parts mineral spirits.

I provide more detailed assembly instructions with pictures of how to sew on reinforcements, etc. in the post “How to make a DIY camping hammock tarp

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Other hammock projects you might like:

There are more pictures in the gallery at the bottom of this page…

About Jeff

Jeff is the Editor in Chief of Gear Report and a National Shooting Sports Foundation Media member. He reports on the outdoor industry, reviews gear for camping, hiking, shooting, hunting, paddling, backpacking and other active pursuits. A USAF veteran, Jeff earned a MBA in Marketing and Health Services. He specializes in consultative selling and internet marketing. As the VP of BD & Marketing, Jeff provides sales and marketing leadership to MGECOM, Inc. and helps http://MGECOM.com acquire new clients in need of solutions for online merchants in need of Affiliate Marketing program management. Jeff founded and manages Cress Sales & Marketing LLC, offering online sales and marketing consulting and services to online merchants and service providers.