Roof valleys are a frequent source of leaks in older houses.
How to lead a roof valley.
Roof leaks are also very common in the winter when all the snow accumulating on a roof creates a potential for a roof leak to develop especially if a roof.
The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
There are occasions when a roof valley is in good condition but the cement holding the tiles in place has washed out or crumbled.
We will look here at the basic installation of an open lead lined roof valley.
Check the entire roof valley carefully to locate the source of these problems.
Step 2 remove the shingles.
When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.
Here we show you how to install a waterproof valley onto a roof with lead replacement wakaflex from monier redland.
The three methods to shingle a roof valley.
This recommendation includes iko s premium shingles.
You can purchase wakaflex here.
In these circumstances it may be possible to just leave the existing valley base in place and replace only the cement.
It is therefore worth asking the valley manufacturer for guidance on this.
Some grp valleys are sufficiently robust to enable them to be laid directly over the rafters rather than being supported on valley boards.
Preformed grp valleys in many ways the roof construction for a pre formed grp valley is the same as that for a lead lined valley.