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Old 12-04-2021, 01:05 AM   #1
Junior Member
Brand: Thor Motor Coach
Model: Fourwinds Windsport 30Q
State: Texas
Posts: 10
THOR #21379
Repairing Dog House Heat Shield (insulation)

Hi. We need to repair the insulation underneath the engine dog house cover in our 2001 Windsport. Flipped it over to inspect it as part of our major Reno we are doing and some of it is falling down. Anyone know of the type of high heat adhesive that is typically used? It would need to tolerate high heat. Will the aluminum sticky back tape used in floor vents work for sealing the edges? Or is there something better? Went to AutoZone and didn't find anything. Thanks in advance for any ideas!

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Old 12-04-2021, 01:29 AM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 12,739
THOR #7035
Go to Amazon and search for Dynamat Hoodliner:

A search on this forum will lead to many people upgrading the doghouse insulation with Dynamat as well as other solutions.
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad
2020 Chevy Colorado Z71 Trail Runner Alternate Toad
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Old 12-04-2021, 01:34 AM   #3
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Brand: Thor Motor Coach
Model: Miramar 37.1
State: California
Posts: 2,317
THOR #12698
You might want to spray on an adhesive first to help hold it in place.

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Old 12-04-2021, 03:33 PM   #4
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Brand: Thor Motor Coach
Model: Chateau 24F
State: Ohio
Posts: 3,469
THOR #16721
Maybe use 3M-80 or 3M-90 spray adhesive. Do a search - either of those would likely work well. When I removed mine to install the Dynamat sound deadening, it looks like Ford used 3M-80 or similar. It was just attached in spots, and came off fairly easily without destroying it.

I applied the adhesive-backed Dynamat, then re-used the factory foil-backed heat insulation. It REALLY helped deaden the noise.
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adhesive, dog house, insulation

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