Wavy Roof Sheathing

Poor framing practice is one of the more common reasons for roof waviness.

Wavy roof sheathing.

Tuftex multi wall 6mm panel clear 4 ft x 8 ft corrugated clear polycarbonate plastic roof panel. 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. If the plywood is sound it could stay but it would give your finished roof a wavy finish which may not be what you like. This is a bad move a roofing company should not lay new roofing shingles over shingles that are wavy.

This type of roof wave is usually only seen after a new installation. Check foundation for these 5 things. The carpenter may have failed to put all of the crowns up on site framed roofs. The problem is not the.

When some of the crowns are up and some are down then the roof has a wavy look but it is still structurally sound. When a homes foundation shifts is not level or damaged then the foundation issues may be reflected by a sagging bowed or wavy roof. A new roof will be required after stripping both layers of shingles to achieve a quality flat look. The best idea is to replace any sagging or water damaged plywood before putting on a new roof.

For pricing and availability. When referring to asphalt shingles felt paper is what is typically used in this application. If the plywood is in bad condition replace it. Having wet or poorly placed felt paper under your shingles can cause your roof to be wavy.

When someone walks on the roof the panels deform and have no internal strength to return to their old level which is why the roof looks wavy after the roofers finished. Underlayment is what we call the product placed between the decking and and the shingles.