Metal Roof Deck Expansion Joint

These covers are for sealing and waterproofing of high expansion interfaces common in roofing parking garages large concrete decks.

Metal roof deck expansion joint.

The expansion joint material is set at the top of the curb and out onto the wall. Standing seam roofsare limited by the range of the sliding clips. 25 mm expansion joint a space of at least 2 in. Depending on the manufacturer it is in the range of 150 to 200.

Expansion joint detail for 1 25 mm joint to provide adequate clearance between metal flanges and bellows for a 1 in. For application to curbs style ej important sizing note. 51 mm should be left between curbs or the curb and wall. Where the type of deck material changes.

At the expansion joint chord interface you typically attach one side of the joint to the chord and allow the other one to move laterally. Where expansion or contraction joints are provided in the structural system. Where separate wings of l u t or similar configurations exist. For example where a precast concrete deck and a steel deck abut.

Joint opening plus curb widths must be considered for. Where steel framing structural steel or deck material change direction. Expansion joint 1 3 4 temporary expansion joint at 80 intervals wall bottom plate typical wall studs typical wood structural panel floor deck after building is closed in nail floor deck and fill expansion joint with wood strip or non shrink grout provide 1 8 spacing at panel ends and edges. Our expansion joint covers are factory manufactured flexible weather proof exterior covers for structural expansion joint openings and are effective closures for a wide variety of special applications.

Does anybody out there have any practical guides for determining whether an expansion joint is necessary required for a bar joist and steel deck roof. Nov 10 2017 metal roof deck expansion joint metal roof deck expansion joint john p thayer ymca firestone building products latin america 2200 x 1700 auf metal roof deck expansion joint. 16d common nails at 16 inch oc. A metal termination bar is then set over the roof to wall expansion joint at the top of the wall flashing and at the bottom of the curb flashing.

A practical limit between expansion joints for tfr is in the range of 100 to 200 when these roofs are attached to light gage cold formed purlins. The chord itself is unbroken. My building in question is 172 wide x 304 long. The national roofing contractors association nrca 2015 gives the following recommendations for the location of roof expansion joints.

Watertightness is achieved through positive integration with the roofing membrane and a purpose designed system for transitioning between the joint in the roof and joints in walls. The beveled expansion joint is set over the opening between the deck and the wall.