10-18-2022, 06:14 AM
#1
New Member
Join Date: Jul 2022
Location: Orlando
Posts: 6
M.O.C. #31336
Roof cavity vents
2018 385BR HC
Good morning. I have two “vents” on the roof. The covers have become brittle as seen on the one which is white.
I believe they are roof cavity vents as there is no inside vent and I can see insulation through one.
I have been unable to locate a source for replacement … every search returns typical RV vent covers for vent fans etc.
Thanks in advance.
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10-18-2022, 07:14 AM
#3
Seasoned Camper
Join Date: Oct 2010
Location: small town
Posts: 88
M.O.C. #10849
Do a search for mushroom vent or mushroom attic vent and there will be lots of posts. They get very brittle and break easily from UV.
My previous Montana I couldn't find them so I took 6 inch PVC cap, cut it down like the original, drilled a hole in the center and mounted it. It was still in good shape when I traded that camper in.
Now you can find them on the web, some just the cap, some the whole vent, but all you really need is a new cap.
10-18-2022, 10:16 AM
#4
Montana Master
Join Date: Jun 2017
Location: Northern Illinois
Posts: 525
M.O.C. #19994
I couldn't find just the cap, had to buy the whole vent and sacrifice it.
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The "Black Pearl"-2017 3731FL Legacy Package
2017 F-450 Platinum, 6.7 PSD
10-18-2022, 01:46 PM
#5
New Member
Join Date: Jul 2022
Location: Orlando
Posts: 6
M.O.C. #31336
Thanks everyone for the input.
10-18-2022, 05:42 PM
#6
Montana Fan
Join Date: Nov 2018
Location: Virginia Beach
Posts: 281
M.O.C. #23051
I just received 2 caps that I ordered on ebay
Shop anywhere with the eBay app
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2019 Montana High Country 331RL
2017 Ford F250 Super Duty, 6.7 PSD
10-18-2022, 07:30 PM
#7
Montana Master
Join Date: Jun 2018
Location: Folsom, California
Posts: 553
M.O.C. #21903
I sprayed at least 10 coats of white rattle can paint before I installed my replacements. The paint prevents uv rays from destroying the plastic.
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'05 F250 6.0 Bullet Proofed - Sold
'17 F350 6.7 Lariet
'02 Montana 3280RL Upgraded a bunch.
10-18-2022, 08:43 PM
#8
Montana Fan
Join Date: Jan 2021
Location: Coloma, Wisconsin
Posts: 202
M.O.C. #28036
This is an exact replacement I used recently when my cap was the victim of hail damage.
RV Roof Mushroom Vent w/water guard Used on Keystone RV Trailers
https://a.co/d/cMPjhV3
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Chuck
2019 3121RL 35 ft., 2020 3500 Dodge Ram SRW, Cummins 6.7 HO, Air Bags - Air Lift BT Wireless Compressor, Coloma, Wisconsin
10-19-2022, 05:10 AM
#9
Montana Master
Join Date: Oct 2019
Location: Jacksonville
Posts: 2,152
M.O.C. #25165
Just replace mine last month. Here's the ones I got on Amazon.
https://www.amazon.com/gp/product/B0...e?ie=UTF8&th=1
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Robert & Diana McNeal
2019 Montana Legacy 3791RD 20th Anniversary Edition
2014 F350 4x4 6.7L SRW
10-19-2022, 08:50 AM
#10
Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,270
M.O.C. #30417
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Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
10-19-2022, 09:09 AM
#11
Montana Master
Join Date: Jun 2018
Location: Folsom, California
Posts: 553
M.O.C. #21903
Quote:
Originally Posted by
Foldbak
Those will work on black and grey rank vents. Won't fit for the attic vents in this thread.
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'05 F250 6.0 Bullet Proofed - Sold
'17 F350 6.7 Lariet
'02 Montana 3280RL Upgraded a bunch.
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