I searched and ordered a replacement roof for my 5er on line.... found lots of suppliers... I personally bought a product almost 50% thicker than the OE roof with the understanding it would resist some damage....
If you go to Vegas and sit in one of the towers and look down to the casino roof's, you'll notice that the whole roof is an EPDM membrane glued/welded together with walkways across the roof so that the staff going to HVAC and electrical panels don't walk on the surface.... they easily get 25 years on the roof... or so the guys I've talked to have shared...
They say its all about the quality (thickness) of the product and the adhesive that stays flexible so when needed they can pull it back and do repairs...
There are a lot of great u-tube videos on the replacement... my 32 ft of membrane, adhesive, seam tape (insurance) and USP was about $600. I thought a good value..
You used to find .045 and .060 in 12 widths at Lowes and Home Depot but I've not seen it in a few years...
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Retired Business Owner, Re-manufacturing HD Clutches, Brake Shoes, Air Compressors, Sales & Installation of PacBrake and other Industrial Friction
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