If you come across a roofing company that does not install new skylights when they install a new roof it s in your best interest to look elsewhere.
Should flashing be replaced with new roof.
But if the nails at the base are missing or pulled free and the boot is in good shape replace them with the rubber washered screws used for metal roofing systems.
Replacing the boot will solve the problem and most likely not mean a complete roof replacement.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
Typically a roofer will replace step flashing on a new roof.
Installing new shingles is a major investment for most homeowners so it makes good sense to take steps to protect the integrity of the roof for as long as possible.
Gutter flashing should almost always be replaced unless you don t want to remove decorative guttering because it is attached with spikes or screws through the existing drip edge.
With any of these problems you should buy a new vent boot to replace the old one.
In fact after diagnosing roofing leaks for 15 years i can tell you that roofs rarely leak in the field of the shingles 90 of the time they leak where the roof stops starts or changes direction which means most of the time the problem is with a flashing.
Some roofing components such as the flashing are easier to install without the siding.
Some types of flashing like step flashing may be more challenging to reuse because it is harder to separate from the old shingles without denting or otherwise damaging it.
After all it keeps water out of the building.
Also your roofer should not layer new flashing on top of the old flashing.
Flashing serves a single.
Otherwise the siding installer will need to be extra cautious with the new roof.
In this sense it seems more practical to install the siding first.
For instance a typical asphalt shingle roof lasts 20 to 25 years while a roof installed over an existing layer of shingles should be replaced after 20 years.
Sometimes customers even try to salvage old worn out skylights so that they can save money too.
If this is the case with your home overlay the current drip edge with a new gutter apron and cut the bottom edge of it to accommodate the spikes.
The roof is arguably the most important component of your house.
The suburban skyline roof.