Tar Paper Under Metal Roof

The standing seam roof has no exposed fastenerss.

Tar paper under metal roof.

This is a roof membrane underlayment made up of either a rubberized asphalt or butyl based adhesive with a polyethylene carrier sheet. The purpose of our channel is to create informational videos. 40x60 metal building do you put tar paper under metal roofing. The very experienced contractor used resin paper under the steel.

Item 169827 model 5003002. Roof felt also known as tar paper was the standard underlayment for most new roofs as it is easy to work with somewhat durable and moderately inexpensive. With metal roofing its also a good idea to put a layer of red rosin paper between the felt or ice water shield and the metal that way it wont potentialy stick to it and cause oil canning and would allow for expansion. With this video ou.

For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades. It was easy to use durable and even had alignment lines to help with the shingle installation. This membrane should be labeled high temperature to withstand the surface temperature of the roof on a hot summer day.

It has an adhesive backing with a peel and stick feature. Synthetic underlayment started gaining popularity in the last decade. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Felt paper or not under metal rofing most codes and good roofing practice would require felt.

The material comes in rolls and is passed through a forming machine to produce the roof pans in the desired length. Of course times have changed for the better and now there are several roofing underlayment products available that are far superior to standard roofing felt.