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Old 03-05-2016, 01:38 PM   #11
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Join Date: Jun 2014
Posts: 299
Originally Posted by bbcutright View Post
I have a 2016 Heritage Glenn 312qbud. There are holes under the Cabinets where the wires and water come threw the floor. Its has become a highway for ants to come into the TT. Can I safety use spray-foam here to fill this void or will it affect the hoses and wires?
Another thing we do is after we get set up we take a can of ant spray, spray around tires shore power ants will stay away.

Myrle is offline   Reply With Quote
Old 03-05-2016, 10:04 PM   #12
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Join Date: Nov 2013
Location: Cape Cod
Posts: 14
Sealing Holes from "varmints" too

I spent a good part of a day plugging and sealing EVERY hole, oversized grommet, and any other seam or crack that mice, etc could get into my 2014 Flagstaff Emerald Edition 27RWLS trailer when it was new.
I was always told that any hole bigger then a nickel was an invitation for "chewed wiring" in this part of the country.
I used closed cellulose black landscape foam as well as electrical "duct seal" and made rubber seals that sealed the gear driven slide shaft against the frame when it was opened or closed as well as the shaft for manually opening that slide.
The "under belly" covering had areas that were not fully sealed and were addressed also..... especially were the rear trim under the rear bumper met the under belly covering around the frame ends.
I actually used some left over aluminum flashing from a residential skylight installation that happened to be the same color as the lower trim to fit in the frame ends. Looks like it came from the factory with the ends sealed off.
This is my second winter and after looking around in hidden spaces, so far no signs of "Creature Features".

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Old 03-06-2016, 10:53 AM   #13
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Join Date: Oct 2012
Location: Michigan
Posts: 45
I filled the area under our cabinets with Great Stuff with pest block which eliminated the problem I had with mice.
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Old 03-07-2016, 11:22 AM   #14
Join Date: Dec 2014
Posts: 55
Originally Posted by Mstrshop1 View Post
there are two main differences in foam
1. Open cell-- if used on RV where it can get wet will hold water and cause wood to rot
2. Closed cell seals over and will not soak up water
Most big box stores sell the open cell that is in aerosal can
I had to google closed cell foam to find a supplier on internet had to use it to seal repairs after a blow-out on one of the duels
Generally, high expansion spray foam is open cell, and low expansion foam is closed cell. This stuff is closed cell (it says so in the long product description further down the page):
CRC Minimal Expansion Foam Sealant

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