H clips do create the expansion space required by sheathing manufacturers for their products we used to place a nail between panels to use as a spacing gauge.
H clips for roof sheathing.
20 gauge galvanized panel sheathing clip 250 qty grip rite grip rite 1 1 4 in.
Some older h clips do not provide a built in gap.
Other than some isolated residential building code roof sheathing clips are not required for structural purposes other than to increase allowable spans between supports in some cases.
Some other clips can poke holes in it and cause leaks.
Not always required but a good idea.
Simpson strong tie 1 2 r50 plywood clip 50 ct.
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.
Panel sheathing clips are used to support panels edge to edge when installing sheathing.
Offers quick installation no nails needed.
Thd sku 668932.
20 gauge galvanized panel sheathing clip 50 qty.
Help prevent sheathing warping our clips leave a precise 1 8 gap created from a full width spacer bar without this full gap sheathing can expand under moist conditions and you can end up with the sheathing.
Their size should match the thickness of the panels to which they are attached.
Smooth galvanized coil roofing nails 7200 pack simpson strong tie pscl 7 16 in.