Wavy Roof Sheathing

It immediately detracts from the appeal and look of a home.

Wavy roof sheathing.

Roofs may become wavy over time or they may be built that way to start with. Tuftex multi wall 6mm panel clear 4 ft x 8 ft corrugated clear polycarbonate plastic roof panel. Tuftex polycarb 2 17 ft x 12 ft corrugated gray polycarbonate plastic roof panel. While a wavy roof is aesthetically unpleasing does it affect the performance of the roof.

I m going to replace at least two boards. The old shingled roof was just removed and new shingles installed. From that low resolution photo it appears that the lines trace the ends of the osb panels the 4 foot ends of the panels and not particularly the truss lines. Poor framing practice is one of the.

To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave. Osb roof sheathing wavy with truss lines visible the third photo is more telling than the other two photos. The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem. The original rafters of this home had not become disconnected at the ridge nor at the top plate.

Is there a rule of thumb on when you recommend replacing it. A wavy roof is an unsightly thing. Wavy or sagging roofs can be a warning sign that there are foundation problems with a house however there are a number of other reasons for a roof to sag or be wavy as well. When also combined with thin 1 4 plywood or 3 8 thick roof sheathing we also sometimes find sagging even between rafters.

But the roof rafters and thus its surface had sagged badly enough to be noticeable from outdoors as a rather wavy roof. Not sure if that s the right technical term i didn t realy notice it before tearing off the shingles but some of the sheathing is a little wavy. The problem is not the roofers but the fact that your sheathing. Most that become wavy do so over time.

We will highlight the 4 main causes of a wavy or warped roof. For pricing and availability. Which is why the roof looks wavy after the roofers finished. To avoid having a wavy roof use a licensed roofer and not just a.

Potentially it could be caused if the shingles were not properly aligned or not nailed fully. For instance put a straight edge on it and if you find a 1 2 dip then replace it. A roof can only be as good as its roof deck and your roof sheathing is the sheet material which forms the surface that the shingles are nailed to. Ultimately there is no single answer for why a roof may look wavy but could be a combination of factors.