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-   -   Torch down info (http://www.diychatroom.com/f9/torch-down-info-12326/)

sjacobso 10-12-2007 04:14 PM

Torch down info
 
I know the general feeling about helping amateurs with torch down, but let me explain myself. I have done a small amount of torch down in the past with successful results. It's been quite a while, but I think I remember the important parts. The roof I'd like to do now is a small (3 1/4 square) piece with no vents or anything to worry about. the roof has a slight pitch so I don't have to worry about draining. I'd like to do it myself as a local roofing contractor has quoted me $1200. That is more than I have invested in the rest of the roof as I am doing it myself (I was a roofer for a summer so I've done a bit of comp professionally).

My biggest question is in regard to getting a torch. What kind of torch do I want? Are there specific brands, or is just any weed-burning type torch ok?

Another question: what kind of torch down do you prefer? Do you usually use a granulated topsheet, or just the black smooth stuff? I'd like to get something that somewhat matches the rest of the roof (silverwood) but I don't know how many colors are available.

Last question: the torch down is on a patio that is exposed underneath. I didn't think about the nail poke through problem. Is it possible to get short nails (5/8-3/4") or do I just have to deal with nails poking through?

Thank you much for any info you can give.

Sam J

Ed the Roofer 10-12-2007 05:25 PM

Find either an ABC Supply, Bradco, or Allied Building materials facility near you and they will carry the torch that you require and also the granulated surface APP Modified Bitumen torch down product as well.

The granulated is better than the smooth surface and make sure you buy a bag or bucket of matching color granules to cover the bitumen lap flowage.

Be safe!

Have a garden hose and an ABC Rated fire extinguisher on hand at all times and stay around the roof for a minimum of 1 hour after your last torching detail is done.

Ed

the roofing god 10-13-2007 11:30 PM

check for certainteed black diamond self adhered base sheet for underlayment and you can get away without using nails,except at the perimeter(for metal edgings),then torch apply a granulated top sheet ,Certainteed Flintlastic should have a close enough match--I use a MAGNUM torch setup----but why torch at all,look into Certainteed Flintlastic self adhered base and cap sheet

sjacobso 10-22-2007 01:20 PM

One more question
 
I just picked up my granulated topsheet (which I had to special order due to being in a small town with no specialty roofing store) and it was left out in the rain for a couple of days. Do I need to take it back and wait another week for them to reorder it, or can I let it dry out and still use it. I'm always less than impressed with our local lumberyard.

the roofing god 10-22-2007 09:42 PM

if it`s torch down(app),dry it off and use it,if it`s self adhered sbs you need to see if the glue is sticky

sjacobso 11-14-2007 04:03 PM

All went well
 
Just wanted to post and say that all went well with my torchdown. I ended up buying a magnum torch; it worked very well. The thing that I remembered about the granules is that there generally isn't enough squeeze out to really worry about. It leaves a small black line, but it's only a quarter to half an inch, so I'm just not worried about it. In general you can't see a flat roof anyway, so who cares what it looks like?

Thanks for the help given by the roofers here. You are truly an appreciated resource.

tinner666 11-14-2007 04:35 PM

Glad it went well.

Ed the Roofer 11-14-2007 06:06 PM

Quote:

Originally Posted by sjacobso (Post 73894)

The thing that I remembered about the granules is that there generally isn't enough squeeze out to really worry about. It leaves a small black line, but it's only a quarter to half an inch, so I'm just not worried about it. In general you can't see a flat roof anyway, so who cares what it looks like?

Thanks for the help given by the roofers here. You are truly an appreciated resource.

If that is the amount that oozed out of the side laps, you did very good. That is how it is supposed to be. :thumbup:

Glad you responded back with the progress report too. It gives us all a "Warm Fuzzy" to hear that we helped out.

Ed

abieslas 07-24-2012 02:54 PM

almost 5 years later, thank you Ed the Roofer!
 
Ed the Roofer, I was just googling to find colors of granulated torch down - no one in my area has a color chart, but I'm about to have it done. Had chosen black only because of the inevitable (I was told) black lines, and the roof is visible on the approach to the cabin. Thankfully google brought me right to this thread, and your advice about the granules. I just called my roofer and he said yes, he knew about that, but needed an extra person to lay down the granules. I can do it! So I'm switching to a dark brown that is much prettier and will match all the needles that fall on the roof.
I hope you're still here, I remember your name from a few years ago. Thank you so much for your help!
Diane


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