Keystone Bullet Roof Trusses

[busterbrown]

Anyone know the spacing on the roof trusses for these aluminum-framed trailers? I'm going to fabricate roof support boards covered in carpet to help support my weight while I'm up there inspecting. I know these light weights units aren't considered "walkable" as the underlayment is extremely thin. I would like my boards to cover at least 2 trusses to support my 190lbs.

[slow]

I believe mine are on 16 inch centres.

I use two pieces of 2 inch thick pink foam insulation. Each is 2' x 4' that I cut from a 8' length. Better than carpet because it grips and does not slide and is also light weight.


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[busterbrown]

Originally Posted by slow

I believe mine are on 16 inch centres.

I use two pieces of 2 inch thick pink foam insulation. Each is 2' x 4' that I cut from a 8' length. Better than carpet because it grips and does not slide and is also light weight.


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The foam really supports your weight? I read about using foam on the roof on another forum but didn't think it would have the integrity to support 200 lbs. The TPO membrane agrees with it, you say? No scratches or abrasiveness to the foam on the roof?

[slow]

Originally Posted by busterbrown

The foam really supports your weight? I read about using foam on the roof on another forum but didn't think it would have the integrity to support 200 lbs. The TPO membrane agrees with it, you say? No scratches or abrasiveness to the foam on the roof?

The 2 inch thick rigid foam supports my 195 lbs without any problems, scratching, or abrasiveness. The brand I use has the pink panther on it.

[Mr30RLI]

Here's how I do it today http://www.keystonerv.org/forums/sho...4&postcount=11

But I like the foam board idea.

Frank