You are here:

Roofing/SBS Torchdown Underlayment

Advertisement


Santi wrote at 2014-05-17 04:40:51
If you are doing a torch down roof , use base sheet underlayment nailed down with metal cap nails minimum @ 16" on center with 3" overlap on horizontal joins and 6" on vertical joins , use 9" mini roll around the perimeter then drip edge or low rise metal depends on the draining system , target all roof flashings  and one layer of granulated torch down  mat.  


Roofing

All Answers


Answers by Expert:


Ask Experts

Volunteer


Brad Zacharia

Expertise

All aspects of residential Roofing. This includes shingles and flat (low slope) roofs. I have knowledge in the installation as well as the design of roofs from an engineering standpoint.

Experience

I have been doing roofing for 40 years. This was my father's business and I took it over in 1980.

Publications
I have written responses to artcles that I felt needed a response to and those responses have been published in roofing trade magazines.

Education/Credentials
BSEE Drexel University
www.ZachariaRoofing.com

©2016 About.com. All rights reserved.