How to Install Polystick MTS Plus Underlayment | Tile Roofing Guide

If you couldn't already tell, we REALLY like this underlayment!

In this video I’ll show you how to install Polyglass’s Polystick MTS Plus. It’s a self-adhere underlayment that works great for tile roofs and will last for years. The most important thing to remember when installing this underlayment is that it should cover all the plywood because it’s going to be the best waterproofing method on your tile roof.

0:00 Intro
0:10 explanation – what is self-adhering underlayment?
1:22 install and prime the drip edge
2:41 install layer of underlayment around penetrations
4:21 installing underlayment on the roof field
5:10 how much you should overlap at the end laps
5:27 installing the primary layer around a curb or skylight
6:19 when to use asphalt primer
7:18 using a rubber roller for adhering the underlayment
7:38 how to install underlayment at the side laps
8:42 installing underlayment at a pipe penetration

This video is from our latest series, “Tile Roofing Guide,” where we will walk you through every step of the process when installing a brand new tile roof. From the tiles themselves to bird stops and eave risers, we will give you all the details on how to install a tile roof properly.

We are a licensed and insured roofing contractor based in Burbank, CA, so keep that in mind when you watch our videos, as roofing regulations are different across the country.
We service the Los Angeles area, and if you’re looking for a trusted roofer, be sure to contact us today for a free estimate!

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