Aliner Ridge Seal (The "D"shaped seal)

Discussion in 'A-Frame PopUps' started by Anthony Hitchings, Apr 20, 2019.

  1. Anthony Hitchings

    Anthony Hitchings Well-Known Member

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    The "D" hollow ridge seal peels off far too easily if the roof erection is slightly out of sequence. IMO sticky tape is a pitiful method to hold the seal in place.

    Has anyone tried the following:
    Install aluminum flat bar inside the hollow ridge seal. Clamp to roof, drill "tap sized" holes at 12" OC thru the roof and thru the flat bar. Note which end is which then remove all parts and pieces. Drill holes in roof to clear new stainless machine screws. Tap the holes in the flat bar for threads of the same machine screws (maybe 1/4"-20 UNC).

    Slide flat bar back inside ridge seal and assemble in place, which machines screws now holding the flat bar which locks the D" seal in position.

    This would be much easier to do when changing the bungee cords - which I am about to do.
     

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  2. tombiasi

    tombiasi Well-Known Member

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    Sounds like a thorough job.
     
  3. Anthony Hitchings

    Anthony Hitchings Well-Known Member

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    UPDATE - wife and I went out side to measure up. IMO - and as an engineer - this "D" seal has no place up there - there is not a space for it - which is why it gets pushed out of the place it does not belong. The lip that needs a seal already has a foam seal !! So for now we tore out the "D" seal and re-erected the roof - which was easier. AND - with the rear roof in its proper position - the A walls now fall into their correct position and the A-wall toggle bolts can slide home without a big fight. We will not replace the problematic D-seal. We will replace the worn our roof foam seal with either new closed cell foam or a small D-seal on the inside face of the lip (flange) of the rear roof (circled in red on the attached photo).
     

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