Roofing Nails Penetrate Soffit

Your contractor is correct in his interpretation of the national roofing contractors association standards as well as the ohio building code which state that nails must be long enough to penetrate through all roofing materials and extend through the underside of the deck or penetrate a wood plank by of an inch even if that surface is less than inch thick.

Roofing nails penetrate soffit.

Fasteners should be long enough to penetrate at least 3 4 19mm into wood decks or just through the plywood decks. Watch your head when your up there. When installing roofing nails always make sure the nail is flush to the shingle. When i installed the roofing on my house i did the same thing and in hind sight i could have used shorter nails but the building code in my area wants the roof nails to penetrate at least 3 4 inches into the sheathing.

However siding nail guns can t drive coil nails and need several refills for long duration jobs. A countersunk nail will rip the shingle and a nail that is not completely nailed down will eventually work its way out. The first thing that will happen here is the application of the building paper. This is a very thin black sheet that feels like a rough piece of wool.

Now comes the roofing installation. Roofing nail guns can drive coil nails and don t require frequent refilling. You need much more ventilation in the attic. Ice dams and moisture can ruin fascia boards that run along a roof line.

Use only zinc coated steel or aluminum 10 12 gauge barbed deformed or smooth shank roofing nails with heads 3 8 10mm to 7 16 12mm in diameter. This is a quick process and then the roofing material is applied. Both these two types of nail guns pneumatic ones are run by low pressure air compressors. It gives a roof s edge a finished look and serves as a mount for gutters.

The nails sticking through the roof sheathing is normal. The condensation is caused by warm air leaking through the insulation between the top floor and the attic. Building paper can turn water if it happens to penetrate the integrity of the roofing material. A fascia covers the front of a soffit.

Fasteners must be driven flush with the surface of the shingle. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves sidewalls and valleys etc.