RV Daily Tips Issue 447. August 12, 2014 | RV Travel

RVing Tip of the Day

Seal out the weather with putty tape
by Russ and Tiña De Maris
If you’re an RV do-it-yourselfer, chances are good you’ve already encountered “putty tape.” This sticky material is a regular performer between windows and walls, roof vents and roofs, and plenty of other places where a gasket-like substance is needed to help seal out moisture. Any time you install trim metal, a new roof access ladder, and just about anywhere else you’ll penetrate the outside surface of your rig, you’ll need this gunk on a roll.
For the RVer there are two types of “putty tape” in play: Regular putty tape is cheap and easy to work with, but it dries out over time. Butyl tape is much more expensive (nearly twice the price as the regular) and is harder to work with, but it doesn’t have the nasty way of drying out. Butyl tape is the only putty tape recommended for use in direct contact with EPDM (rubber) roofing material, as the regular tape oozes petroleum products which can damage EPDM.
How do you decide which to use? When working with EPDM, it’s a no-brainer. In other areas, the ease of working with the cheap stuff is a temptation. You can simply score the regular stuff, bend it over the score and break it off. The butyl resists this and usually requires a knife or shears to cut. When reinstalling windows (after the original putty tape dries out and leaks), we always use butyl tape; but popping, cleaning up and reinstalling RV windows is a real time-consumer!
A few tips with either type of tape: In warm or hot weather the tape may tend to stick to the backing material. Stick the roll in the refrigerator and chill it off. That will make it easier to peel the tape off the roll and the backing paper off the tape.
Whenever possible, apply the tape to the object, not to the rig. Example: Putty tape the flanges of a roof vent, working the tape down firmly on the flanges before removing the backing paper. Makes the job a whole lot easier, both in terms of eliminating waste, properly locating the tape itself and getting the backing paper off without a big mess.
If you’re not sure if the tape is thick enough for the job at hand — particularly true when reinstalling windows on a metal-sided RV — add another layer (or more), screw down the object and trim off the excess goop. When working with “peaks and valleys” in metal siding, this is the time to apply the tape to the RV — fill the “valleys” piece by piece with short strips of tape. Then cover the whole area (right over the top of the short strips) with one large piece.
A plastic putty knife will usually not scratch fiberglass or aluminum siding while doing such trimming. One old technician says he takes a plastic knife (“Check out the pic-a-nic basket, BooBoo”), files off the serrations and uses that as the tool of choice for working with the stuff.
Find putty tape at RV supply stores and at Amazon.com.
And I will agree with this, as I have spent the last 3 weekends cleaning up and rechecking and resealing a trailer that had never been touched since 2008. So keep an eye on your roofs and windows for any kind of water damage.
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About smokeycamping

Well let's see have lived in NY for my whole life, have always loved the outdoors (as long as it is warm out) have always hated the cold, and like a dummy have stayed in NY. But now with my second try my wife, we have been camping now for well over 25 yrs. We currently own a 2010 Cedar creek silverback 35TS and can not wait to get out on the highways and see this great country we all call home. Hope to see every National park before my medical issue becomes too bad to travel. I love my African gray parrot (she is my baby) and have two dogs at the time brother and sister mutts, but love them all the same. Have always been a big Nascar fan, love computers (have a number of certificates to build and work on them) am trying to learn photography, enjoy light hiking, being with good friends and folks. country music, pop music and just being outdoors. So I hope someday to meet some of the great people who like what I like and post out there in some great campground somewhere in the country, till then I will keep posting and I hope you keep liking.

Posted on August 13, 2014, in The world as i see it as a camper and who loves his country and tagged , , , , , , , . Bookmark the permalink. Leave a comment.

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