Most homeowners do not realize how important it is to check their roof on a regular schedule. The roof is the largest part of the home, and it is subjected to all kinds of weather conditions that can deteriorate the roof. The wind can blow water under the shingles that will rot the decking and then flow into the attic and down into the living areas. The condition of the roof cannot be assessed from the ground; a professional roofer must go up on the roof and examine it for these problem indicators: Curled shingles, Split shingles, Loose shingles, Flashing that is worn; Rotted decking, and Worn or leaking water barriers.
The professional roofer is the person to recommend repairs or a new roof after they have examined the critical areas. If a new roof is required, it is their job to recommend the appropriate moisture barrier, the correct decking if it needs replacing, and the type of shingles that are appropriate for the home’s location. There are some high quality and innovative moisture barriers on the market, and they product should be laid with overlapping edges. The roofer can recommend the best shingles for the job, and there are many available. There are also some new and innovative roof moisture barriers, and when these are laid they should run over the edge by 3/4 inch. A 68 gauge aluminum drip edge may be required to keep the wind from blowing moisture under the shingles. This will also provide protection from insects and wind damage while protecting the fascia. The Roofing Contractor in Columbia, MO will be able to recommend the best drip edge.
A starter strip should be installed along the rake edges with the adhesive strip up, and it should overlap the rake edges by 1/4 inch to 3/4 inches. This is definitely a more pleasant view when the homeowner looks up. The rake edge is an essential part of the roof. The roof area around vents and chimneys should be sealed before laying the shingles. The nail heads that hold the vents and flashing in place should be covered with tar for added protection.
Every home should have a ridge cap vent which is an opening at the peak. It should be covered with roof cap material and then covered by shingles. This is a nice look and works with the other attic vents to remove warm air.