Review of McNett Tent Sure floor sealant with foam brush, 8oz

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The urethane coating on the floor and bathtub sides of my 15 year old Kelty was starting to bubble and peel. After a call to Kelty, they recommended McNett Tent Sure Floor Coating to repair the failing urethane. It went on almost like water and it only took about 20 minutes to coat the entire 4-person-compact-dome inside floor and bathtub sides, plus two door panels: 68 sq ftfloor alone.. It was remarkably easy to apply: I used a wider brush as a previous reviewer had suggested. The preparation of the tent was another story.

The urethane had started to "flake" off leaving jagged little flag edges that were difficult to remove. I scrubbed the coating with a dry, stiff bristle deck cleaning brush and followed that up with a green Scotch Brite pad. Alcohol did not work well and rendered the existing coating into a goo on the sample spot I cleaned with alcohol.

After the dry brush, there were still little flags of urethane on the edges where the old coating came off, but I charged ahead. For the most part, the tiny flags were "glued" down with freah coating on top and bottom of the flags, and I don't expect a problem.

This product left a very thin urethane coating on top of the bare nylon material and integrated well with the existing coating that was full of checks and "cracks". After the 24 hour dry, I sprinkled after-shower body powder onto the floor and blew it around with a weed bower to prevent any tacky spots from sticking after I fold the tent up. I will report how it holds up after 10 day October and 10 day November 2011 trips.

On a secondary note, I bought a Eureka backpacking tent in 2009 and while it was new, I set it up and sealed all seams with McNett Seam Sealer. That took all of 20 minutes and was a remarkable product as well. Checked the seams in Aug 2011 during 6 nights at Sturgis and all treated seams looked as good as new (could not even see the McNett sealer). So while I was doing the floor of the Kelty anyway, after the 24 hour dry time, I sealed all the seams of the Kelty too. Very easy to do and used the little angled circular brush provided on the seam sealer bottle. It seems the product is similar but the seam sealer was dry in 2 hours (91 degrees ambient) while the floor seal was tacky after 2 hours.

Note to tent repairers: ALWAYS SEAL THE SEAMS FROM THE INSIDE, even though the bottle shows applying to stake out points on the outside. From previous seam sealing experience, when the sealer does eventually start to delaminate, it will create little funnels that direct water right into the needle holes and into your tent. You will not have that happen if you seal from the inside, even if the sealer delaminates. Years ago, I almost ruined an expensive tent applying seam sealer to outside of tent.

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I use this product to water-proof my 12x9 feet tent floor.

One bottle was enough for mine.

As the product name indicates, this sealant is for a flat surface.

It can be easily applied using a supplied sponge brush, and replacement brush can be found in local Michaels' or similar paper/craft stores (~$1 ea). Drying takes 1-2 hr but instruction says a good 24 hr for complete drying.

Once applied/dried, there is no visible film/residue. This may not be ideal as a seam sealer due to this.

However, treated tent floor is noticeable different even at the point of folding my tent.

Now floor sheet feels a little stiffer and becomes harder to fold without pushing trapped air out.

Once air is out, no problem with folding treated floor.

I think even air is less penetrable after sealing.

Now, I am waiting for next camping season to test out how effective this treatment is :

Updated-----------Jan 27,2012----------

This coating works definitely.

Most camping trips were dry but one in October Yosemite was worst of all.

My tent survived it.

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I purchased this product to waterproof my twenty year old tent. The product went on easily and dried well overnight. I had occasion to test it as it rained on a recent camping trip and the inside of the tent remained dry. Good Stuff!

Honest reviews on McNett Tent Sure floor sealant with foam brush, 8oz

I put this on a new 2 man tent I purchased for camping, some initial tests with a hose indicate that it does repel the water better than without it. But the 85sq ft the bottle is suppose to cover is more like 40sq.

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I put this stuff into my paint spray gun and lightly coated the floor on my tent three times, WOW did it come out great without waste and an even coat.