Two common alternatives to tar and gravel are two ply membrane assembly and standing seam hidden fastener metal panels.
Install metal roof over tar and gravel.
Remove debris like leaves twigs and rocks rake the gravel to get an even surface install a fiberglass base paper over existing gravel roof asphalt roof or epdm rubber roof install new metal edging on the perimeter.
If you have a tar and gravel low slope roof typical of constructions in many areas in montreal you may consider changing the roofing material to something else.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
The process is straightforward if you follow the nine simple steps listed below.
The only tricky part is the flashing.
3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
There are still hot tar and gravel roofs.
This is by far the most common way to install a metal roof.
Getting a new roof installed is a major investment especially in the case of tar and gravel flat roofing systems which many require significant maintenance or tar roof repair over the course of their existence which can extend for several decades.
The installation of this roof type consists of installing onto the roof alternating layers of plies and bitumen membranes with an extra layer of aggregate material stone or gravel.
I am installing it for it s aesthetic and for its heat reflective properties.
The easiest and most cost effective way to fix a leaky hot tar and gravel roof is to install a modified bitumen torch down roof over it.
Preparing and coating tar and gravel roofs can be extremely difficult with a traditional roof coating approach.
By leaving the old roof intact will save on labor and dumpster cost.
I ve researched the options and i m not interested in the other roofing materials available just trying to find ways to get the most out of the.
The number of layers can vary depending on your budget.
In fact a bur roof can have from three to five ply sheets of asphalt membranes.
Tar and gravel roofing is a low slope roof type.
I m planning on installing a mechanically seamed metal roof over the tar gravel roof of my 60s california ranch.