H Clips For Roof Decking
They are often used with roof sheathing to keep it from feeling spongy or soft at its edges.
H clips for roof decking. Space between plywood panels as recommended by the american plywood association. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather. Always ensure your work site is compliant with current osha regulations. Panel sheathing clips are used to brace unsupported panel edges when sheathing meets edge to edge without a rafter for support.
Some older h clips do not provide a built in gap. Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. This video may depict some work practices that do not meet current safety standards. Space between plywood panels as recommended by the american plywood association.
In washington most osb roof decking is 7 16 and requires h clips midway between trusses rafters if 24 inch oc spacing and most are 24 inch cevans chuck evans cmi trec 7657 june 10 2009 6 32am 8 i think it is generally up to the manufacturers. In either case the cost of the job is reduced. Avoid roof complaints with proper framing sheathing and roofing techniques. Quick installation no nails required keeps panels even for a level structural plane provides the 1 8 in.
H clips provide additional stiffness between bearing points for the unsupported edges of wood panel plywood or osb roof sheathing along with the necessary 1 8 gap for expansion as shown below illustrated on a bag of simpson h clips. Not always required but a good idea. H clips do not prevent wooden panels from buckling or warping. H clips may also allow builders to use thinner sheathing than they otherwise would be permitted to use.
Quick installation no nails required keeps panels even for a level structural plane provides the 1 8 in. Apa recommends 1 8 inch expansion gap at all edges unless mfr states otherwise. Produced by apa the engineered wood association formerly the american plywood association in 1989. Reduce frustration of clips falling off or spearing edge of sheet full length expansion bar gives you superior alignment and perfect expansion gap our plywood h clips will not poke holes in the underlayment a problem with some metal roofing clips.
Grip h clips are designed to make installing roof sheathing faster with better spacing. A builder who uses h clips may need fewer rafters to complete a project because the distance between them can be increased.