Although the underlayment should protect against water infiltration the felt paper can easily tear or blow loose making your home vulnerable to rain damage.
Partial roof tearoff require permit.
If you already have two layers of shingles you cannot add on to it.
Many people are attracted by the idea of overlaying existing asphalt shingles especially if the price quoted is lower and the contractor seems confident you don t need to tear off your old roof.
To determine this all you need to do is contact your local building inspections department.
E home we may require a sheathing inspection to verify the condition of the roof sheathing 2.
Asphalt shingles are required to be class 4 impact resistant that meet ul 2218 test and installed.
Too many layers if a roof has more than one layer of roofing the roof should be torn off.
3 a letter addressed to you from the contractor s insurance carrier confirming that the specific project is covered under the roofer s worker s.
Submit a completed permit application.
If a contractor is used s he must be licensed with the village.
Laying new shingles over old shingles is easily prone to leaks and reduces the life of the new shingles.
If work encroaches onto city property proof of insurance and a public right of way use permit is required.
The following inspections are required.
2 a written contract that specifies all of the agreed to details products and costs of the project.
1 most towns require a building permit for a roofing project.
Before starting the tear off get a building permit and check local building codes.
A permit is required for roof repair or replacement exceeding one square of covering 100 sq.
Keep the time between the tear off and reshingling to a minimum and wait until clear weather is forecast.
In most cases this is a code requirement.
Codes rarely permit more than two layers of roofing.
The roof must be replaced.
Plus your roof warranty is likely void if you don t get the permit.
Roofing contractors are often required to perform a tear off before installing new shingles either legally or for the purpose of manufacturer warranties.
Roof covering must be class a public right of way permit must be obtained before work can commence.
Existing roof deck system shall be subject to pre inspection.
Three documents are essential.
Sheathing inspection depending on the age of th.
This can help to ensure that your contractor follows building code.
Homeowners and buyers should avoid jumping conclusions about whether a permit is required or not for there may be consequences.
After hours work is not permitted in residential areas.
They may also be required when reroofing depending on the local building jurisdiction.
In most cases more than two layers of roofing shingles does require a tear off.
