No previous or existing leaks.
Roof overlay install.
Drive nails at high points on the underlying roof the bottoms of the shingles.
Class c roof assemblies and coverings can withstand light fires.
In general overlaying a new roof takes less time less labor and thus less money.
Install roofing paper membrane.
About an overlay roof installation.
In a traditional roof replacement the roofer completely removes the old shingles and tar paper.
Installation of class a or class b roof coverings is mandatory when any roofing work is carried out on 50 percent or more of the total roof area of the property.
Install drip edge eave trim and valley flashing.
At the eave and the rake install u shape drip edge flashing made for reroof jobs.
The two pieces should meet neatly at the corners.
And a roof with no sidewalls where flashing is needed to tie in the roofing material to the exterior walls of the home.
If you are looking for an affordable option for improving the quality of your roof talk with delta roofing inc.
Install the eave piece first then the rake piece over it.
Structures outside of fire hazard zones require at least class c fire retardant roof covering.
This process saves on time labor and overall costs.
Since an overlay roof is just put on top of the existing roof your roofer s crew doesn t have to tear off your existing shingles redeck the roof or do as much cleanup.
If you already overlayed a roof over an existing one your only option for another new roof is to remove everything that s there already.
When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.
This shortens the time it takes to install the roof and saves you a bit of money on labor.
In this video we provide details on how to install roof shingles over existing shingles.
Ashpalt shingle roofing installation labor basic basic labor to install asphalt shingle roof with favorable site conditions.
However if you overlay you cannot install an ice and water leak barrier as it has to adhere directly to the wood decking.
Layout fabricate overlap and secure asphalt shingles per manufacturer instructions.
Overlay installation skips several steps necessary for a completely new roof.
The roof then inspects and replaces the decking beneath if necessary.
And in fact that s the primary reason a homeowner opts for an overlay roof.
The best case scenario for an overlay is sound decking.
However this can only be done once.
You also need to add.