Uneven Roof And Deck Warping

Initially bad ventilation warped this roof deck.

Uneven roof and deck warping.

Otherwise wrinkling of the materials can create a warping effect. While a wavy roof is aesthetically unpleasing does it affect the performance of the roof. It immediately detracts from the appeal and look of a home. Why this should cause mold warping and uneven color i don t know.

One can see clearly lots of ripples bumps all over the roof but one section is much worse than the rest. If however the decking runs perpendicular to the house you ll have to raise every deck board to expose the ledger. Roofs buckle because either the roofing underlayment has wrinkled or the wood deck itself has shifted for some reason. To determine if a wavy roof is more than just an eye sore you must determine the reason for the wave.

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. 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 shingles on your roof serve a dual purpose. Simply pry up one or two rows of decking install the flashing and replace the deck boards.

They give the roof a finished look while forming a protective seal. Frost on the plywood. If you see even the slightest warping or wave to your shingles contact us as soon as possible. The plywood might also become warped itself if it becomes wet which could happen in the case of a roof leak.

Poor spacing between roof deck panels can also lead to the same problem. Movement of the roof deck. A wavy roof is an unsightly thing. Ripples or waves on the roof surface are a sure sign that the shingles or decking has probably buckled.

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. Occasionally the buckling is caused by poor workmanship wrong materials or possibly by a problem with the structure itself. Underlayment must be dry and flat for roofing to stay in place. Lumpy bumpy or curling shingles that do not.

Investigating a warped and wavy roof. Wood is soaked and leaking. Roof shingles are not lying flat. In some places the fascia boards warped to such an extent that the screws sheared off leaving a gap of over an inch.

An improperly installed roof deck or the sheets of plywood that are underneath your roofing material could result in the plywood shifting.