Uneven Roof Sheathing

Shading pattern is visible on an asphalt shingle roof.

Uneven roof sheathing.

The sun was low so it was hitting the roof at a sharp angle which tends to accentuate these things more than when the sun is overhead. Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings. Thankx to my neighbor matt sheppard and contractor craig belmont i was able to straighten out the roofline without major reconstruction. Damaged framing frequently causes roofs to sag or dip.

What are the causes of an uneven exterior roof. Roofing nails are exposed. Tabs on asphalt shingles are not lined up. Btw if you need a.

Standing water on a flat roof. Sometimes new shingles are applied directly on top of old uneven shingles. Install osb textured side up avoid installing osb with the textured side down. Uneven sheathing on new construction roof.

Uneven roof sheathing causing visible irregularities in the roof surface. Ensure roof trusses are in proper alignment with no curves or uneven sections when installing osb to sheathe roofs. Roof shingles have blown off. A roof over or re roof is not recommended because it will certainly lead to buckling.

Rafters or joists are the primary supportive members of roof structures. Damage that causes an uneven roof might result. Temporary safety straps left on roof. Roof trusses ridges or rafters have bowed.