Securing Clips Roof Sheathing After Shingles Installed

Keep these tips in mind when roofing in hurricane areas.

Securing clips roof sheathing after shingles installed.

H clips are also necessary for other wood panel thickness and span combinations. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. These should be installed at every roof sheathing seam between trusses or some other method of support should be used. For best appearance use heavier weight shingles or laminated or textured.

Install roof shingles according to manufacturer recommendations shingle hints. This will provide time for roof sheathing to adjust to humidity and moisture conditions. I would hope the the roof sheathing is a minimum of 1 2 inch nomimal thickness. However when the shingles reach the end of their life it might be inadvisable to install another layer of shingles at that time because of the weight already on the roof.

If using asphalt or fiberglass shingles postpone shingle installation as long as possible. Install osb panels on aligned roof trusses. If this is true then h clips or solid blocking would be required. Both metal and shingle roofs are great options for your next roofing project.

This roof was installed in april 2013 in northern texas. Things to know about metal over shingle roof problems. Thus a tear off would. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm.

Three years after a reroofing job the asphalt shingles buckled due to movement in the sheathing below. The apa table has a span rating for the sheathing installed with or without h clips and the span rating is the same both ways. A low slope roof below 2 12 pitch at the same span is an exception however and an h clip is specified. This video shows how some roofs fail under heavy winds in uplift situations.

After all you ll be making a significant and long term investment. There is visible warping three years following the installation as seen in the attached images. H clips installed h clips are metal clips that are centered between two roof trusses and support the roof sheathing edges to prevent sagging see photo below to see an h clip. Sheathing panel lines showing through shingles i would guess from your example that the rafters roof trusses are spaced at 2 foot on center.

The shingles are tamko 20 year 3 tab.