Duralast

I thought they were joking about the roof stretcher! After the old timers would say bring me the rubber stretcher or the left handed felt machine, but no it's real. This stuff welds great when clean, but for a tear off its garbage once it's dirty it won't come clean. Also not a fan of the plastic plates . I wouldn't roof my worst enemy's doghouse with it. None of the flashings were measured right, just not a fan of this system. What do you guys think ?

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I have been installing Duro-Last for 15 years.

The system is esay to install but a bit pricey. They do honor their warranty well. My biggest gripe is they are all for themselves and do not support their contractors. There are better supported TPOs and PVCs out there.

It's good to know I'm not the only one that has the opinion it's garbage. Lol my buddy likened it to a shower curtain. After his wife yelled at him she couldn't get the tar off her new shower curtain ad how thin the material was. I hope I never have to install that crap again.

Just like any other roofing system on the market, if it is installed with a high level of workmanship, it will (most times) perform as intended. That assumes the specifications are proper for the application. The stretchers make for a much nicer looking install. that thin pcv is very flexible, especially when compared to tpo. I think the reason most DL roofs fail is because they were installed over a roof that was saturated with moisture or that is completely deteriorated. This lack of a proper substrate effects not only the membrane and insulation but more inportantly, the fasteners. Plastic Plates are just silly.

The fibertite KEE sheets are almost another animal all together.

egg Said: I know next to nothing about singleply. But wouldnt this be better than TPO? At least a little better? Yes? No?

It would depend on the application. On a Fast Food joint, yes the DL will outperform TPO and most other low slope systems. Ever see what grease does to mod bit, bur or EPDM? TPO will resist the grease for a while, but eventually it will deteriorate rapidly. I know of a few consultants that are moving back to PVC from TPO in general. They arent crazy about TPO's performance.

I sell quite a bit of PVC but I don't sell much if any DL. I would probably sell a good deal more if they would sell me sheet goods and accesories. I dont need someone to send me a roof in a box with a puzzle diagram, to have my crews install a great roof. I understand they do this for companies that have one or two roofers and 3 laborers on the job. Easier for the roofers to do the welding, etc. For my purposes it doesn't do me any good.

TPO roofers usually have trouble welding the PVC at first. You have to heat it a lot hotter and go a bit slower to eliminate "cold welds". My crews struggled for the first few installs. Cleaning the laps is super important also. Cleaning them also takes some serious chemicals. MEK is what we mostly use. that stuff is super hot.

Thanks Mike

Egg, yes it would be.

TomB, No data, just experience. But let me temper it. Yes, I would have to tip my hat to an ex roofer with a good idea, Mr. Burt, who brought the ability to install a waterproof roof to a lot of roofers that otherwise would have not had the opportunity, and for leading the way to bastardizing the warranty side of the low slope roofing industry.

The issued a warranty and touted that included "interior damages", but never told you that it could only kick in after your own insurance ran out. I know of no one that actually collected on it.

In the beginning, it was manufactured by Seaman corp, the maker of Fibertite, and I would not be surprised at all if DL can point to some of those early roofs that are over 30 years old. But then their manufacturing went to CGT, and it was aweful. I cracked badly in about 12 years after the plasticizer leached out of the material. In time, and I'm not sure of the year, DL eventually began making their own product. It has not been in the market long enough for me pass judgement.

But as Mr. Gordon pointed out.... it's a helluva improvement over TPO, if those are your only two options.

I speak as an installer (from 94-96, all of which were replaced within 15 years) and observer of many durolast roofs.

I've installed a lot of Duro last. I always liked it. It pretty easy to work with and is cool to work on. Like everything if you put it on right it does a pretty good job. Its all in the welding

MikeH - Can you point me towards some data? I tend to accept your opinions, as you seem to be an experienced/knowledgeable sort....I would feel better if I could review some actual reviews/etc.....I've never used the stuff, however, just had a well-experienced roofing professional recommend, of all things, Durolast (?????) Thanks

I know next to nothing about singleply. But wouldn't this be better than TPO? At least a little better? Yes? No?

Once you put it on, could it be coated and run the years out that way?

LOVE IT !!!!!!

It makes me a lot of money in repairs !!!!

but like Mike said, its garbage !

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