Uneven Roof And Deck Warping

The shingles on your roof serve a dual purpose.

Uneven roof and deck warping.

It s also important to confirm that the ledger is bolted tightly against the house along its entire length. Those ripples bumps can be pressed down easily which suggests that there is space between the shingle and decking i e shingles are not properly supported by the decking where there are ripples. The thick duralife fascia boards should then be installed below the decking boards and fastened to the outer rim joists using 8 x 2 stainless steel capped. Poor spacing between roof deck panels can also lead to the same problem.

They give the roof a finished look while forming a protective seal. Wood is soaked and leaking. If a roofer installs a roof deck without ensuring the rafters are even warping often occurs. In some places the fascia boards warped to such an extent that the screws sheared off leaving a gap of over an inch.

2 roof deck is warped and the shingles are all wavy causing the water to leak under the shingles. If however the decking runs perpendicular to the house you ll have to raise every deck board to expose the ledger. Initially bad ventilation warped this roof deck. One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest.

Roof shingles are not lying flat. Simply pry up one or two rows of decking install the flashing and replace the deck boards. The plywood might also become warped itself if it becomes wet which could happen in the case of a roof leak. Deck boards including perimeter boards used for picture framing should be installed so they extend past the outer rim joists by less than 2 lengthwise and 1 width wise.

Movement of the roof deck. It immediately detracts from the appeal and look of a home. Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled. Lumpy bumpy or curling shingles that do not.

An improperly installed roof deck or the sheets of plywood that are underneath your roofing material could result in the plywood shifting. Frost on the plywood. While a wavy roof is aesthetically unpleasing does it affect the performance of the roof. Occasionally the buckling is caused by poor workmanship wrong materials or possibly by a problem with the structure itself.

Otherwise wrinkling of the materials can create a warping effect. If you see even the slightest warping or wave to your shingles contact us as soon as possible. Why this should cause mold warping and uneven color i don t know. Investigating a warped and wavy roof.

To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave.