Quick Answer: How Many H Clips Per Sheet Of Plywood?

Are H-clips required for roof sheathing?

H-clips are referred to in the APA Guide as “edge support.” For the most common roof sheathing in our area, which is 1/2” nominal (7/16” actual) sheathing over trusses or rafters at 24” on center, there is no requirement for H-clips. One or two H-clips will often allow a longer span between roof trusses/rafters.

Do you need plywood clips on 5/8 plywood?

According to the table in response #9, they’re only required for 5/8″ OSB with support spacing between 32″ and 40″. Obviously, adding them would make the sheathing stiffer than without them, at any span.

When did roof sheathing require H-clips?

The 2006 edition of the International Residential Code (IRC) requires the use of H-clips in construction, but not all jurisdictions comply with IRC regulations.

Are plywood clips required by code?

Anyone installing 7/16″ OSB or plywood on 24 inch spans without end supports (clips) is in violation of “commonly accepted building standards” (the IRC) unless your jurisdiction has chosen to exclude that requirement by law.

Should I use OSB or plywood for roof?

OSB takes longer than plywood to get saturated, but also takes much longer to dry out. When used as roof sheathing, this tendency to hold moisture means it will degrade faster than plywood when exposed to chronic leaks.

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What are plywood clips for?

A panel edge clip (often called an “H-clip” or “plywood clip”) is typically a small piece of galvanized metal that is placed between adjacent wood structural sheathing panels at a location between supporting joists or trusses and/or rafters to provide support to panel edges.

What are hurricane clips?

What is a hurricane clip? Hurricane Ties, also known as rafter ties, truss ties, or hurricane clips, are used for deck or roof framing to secure rafters, trusses, or joists to the wood framework. This is done to resist uplift and lateral forces, like those that come from a hurricane or severe storm.

Where do plywood clips go?

The clips are inserted over the edges of the adjacent plywood panels to reduce deflection of the panel edges between the framing members and are most commonly used for roof sheathing. Plywood clips are inserted by hand and the procedure is done in conjunction with installation of the sheathing.

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