DIY Chatroom Home Improvement Forum

DIY Chatroom Home Improvement Forum (
-   Roofing/Siding (
-   -   ice and water shiled under metal roof (

meghan114 03-15-2010 11:07 PM

ice and water shiled under metal roof
I want to get a metal roof on my house. I have gotten several estimates, 3 include ice and water shield. I am wondering if I need ice and water shield. I live in SC, so we don't get ice. I do have a low pitched roof though, which is why I was told that I needed ice and water shield under my metal roof. Whats your thoughts?

Tom Struble 03-15-2010 11:14 PM

if it is the type of metal roof that has exposed screws i would definitely use a i&w type membrane,just make sure the installer uses one that can be used under metal roofing

meghan114 03-15-2010 11:18 PM

why does the exposed screws matter, thats where i got confused. what will ice and water shield do for those?

Tom Struble 03-15-2010 11:43 PM

because its just a matter of time before expansion and contraction is going to elongate the screw holes allowing water to get under the metal

the I&W will at least help keep it out of the house for awhile

imo your better off using a concealed fastener standing seam roof on a house and leave the exposed fastener metal roof on the barn where it belongs

tinner666 03-16-2010 06:13 AM

A properly done standing seam roof has no need for underlay of any kind.

The exposed fastener type will allow water in around the screws.

All times are GMT -5. The time now is 03:49 AM.

User Alert System provided by Advanced User Tagging (Pro) - vBulletin Mods & Addons Copyright © 2016 DragonByte Technologies Ltd.

Search Engine Friendly URLs by vBSEO 3.6.1