We had a 40 ft park trailer for 8 years at the Washington coast. Never left vents open due to high winds and rain. Got the covers and tested them while there and NO water came in. We than left them open year around and never had water come in. They held up to a 92mph wind. Neigbor said thats what he seen on his meter during a winter storm. Since I have them on 2 campers.
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2013 24RKSWE (27ft TT) Cougar 1/2 ton series SOLD 10-2021
2013 Ford F350 4x4 CC 6.7 engine, 8 ft bed, 3.55 rear end, lariat package
Retired from Oregon State Police in 2011 than worked another 9.5 years as a small town traffic cop:
As of 05-2020, I am all done with 39 years total police work. No more uniforms for me.
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