How To Find Roof Rafters Under Shingles

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.

How to find roof rafters under shingles.

Finding roof rafters from the top of the roof can be difficult since regular stud finders have trouble penetrating the plywood shingles or slate tiles covering the rafters. An 1 8 gap is specified by manufacturers between sheets of plywood that are nailed side by side over a shared top chord of a roof truss or a rafter. Fortunately there are several ways you can find roof. But usually it just knocks granules off the surface.

If you need to complete roof repairs such as installing new shingles or tiles you must know where the rafters are. Intermediate rafter centers are then marked onto the tape the tape reference is translated through the use of alignment holes to the outside of the roof translation plates hold and reference the tape measure along the horizontal run on the outside of the roof where the marked rafter centers can now easily be transferred to the roof. That ll get you pretty. So this bracket slips up under the shingles and fastens through the roof.

During a reroof start at the peak of the roof and remove all shingles prying them up with a pitchfork working your way down the roof. Learn how to remove roof shingles here. The first is the use of the wrong type of fastener. In the photo below the impact depression is accompanied by a small hole.

About 500 people die each year in the united states as a result of falls from elevated places according to the centers for disease control. More granules fall off around the damaged spot and the bruise grows. Take a tip from professional roofers and use toe boards while doing the work. Pull up the felt paper underneath the shingles.

There are a few reasons that roof rafters or roof trusses would show through the shingles of a completed roof. Roof impact when a heavy object such as a tree branch drops on the roof it will cause a depression in the area and likely some structural damage to sheathing and roof trusses or rafters underneath. Working your way up the roof expose all of the rotted wood. When a shingle loses its protective layer of granules uv rays from the sun begin to destroy it.

If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. The roof rafters provide integral structural support to the roof. If this requirement is ignored and the sheathing is butted tight the wood has nowhere to go when the moisture makes it swell except to curl up along the shared seam. When you install roof sheathing plywood you are suppose to use at least a 2 1 4 inch ring shank full head nail.

If you feel comfortable using these you can check the fascia and try to find the nail heads where the fascia is nailed to the rafter tails then follow that line up the roof. When a large hailstone hits an asphalt shingle it can tear or even puncture the shingle.