The second way to install a metal roof over a shingle roof is with the use of purlins or battens.
Putting tin on roof.
To keep it strong for many years to come make sure that you have the right support systems for your roof.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.
Lay the first piece of tin roofing in a bottom corner of the roof.
However with a seamed or crimped roof style you won t need screws.
Place corner pieces where panels will meet bends at the edge of the roofing.
Before you install metal roofing repair any damage to the wood under the shingles.
Advantages of metal roofs in general.
Step 2 take measurements.
There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles.
Slide a washer onto a 1 1 2 inch wood screw and drive it through a low.
The purlins are screwed or nailed down to the roof deck depending on how the metal roofing manufacturer has testing for their roofing panels and then the metal is installed to the purlins.
If you re considering buying a metal roof or you already have one installed you know that this is a strong roofing material.
It provides a solid flat surface to attach the new metal roof to.
If a proper roof inspection isn t done the 1x4 s could be installed over rotten plywood which means the screws could pull out.
Finally install the metal panels image 1 placing metal closures on the top and sides of the roof structure to hold the panels in place.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
It creates an air gap between the back of the metal and the shingle roof which allows for airflow.
Step 1 select a tin roof type decide what type of tin roof you want by selecting either an r panel or v crimp style.
This method has its benefits as well.
For instance you ll.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
Metal roofs have increasingly become a more popular option for homeowners due to their reputation for longevity and curb appeal.
A metal roof can be durable but it needs gutters to help prevent damage from rainwater.
For an r panel style you will need to install it with 5 16 inch lap screws.
Position it so it overhangs the edge at least 4 inches.