Sheet Metal Roof Expansion Joints

Standing seam roof systems were designed to allow roof movement and should be specified when roof movement is expected to be a problem due to the design of the building and secondary structurals.

Sheet metal roof expansion joints.

The science thermal expansion occurs when heat is added to most materials causing the material to expand. We were working with sheet lengths up to 29 3 metres so thermal expansion was an issue. Browse roof expansion joint and roof expansion joint covers today. Uniquely addresses wall joint to roof joint interface uv stable tpv or pvc for broadest liquid and sheet membrane compatibility what s different.

The waterproofing elements of roof expansion joints currently are looped membranes. Also the continuous cleat protects the perma tite expansion joint from wind driven rain. Exterior cap is available in 24 prefinished kynar 500 colors. Roof to roof version.

We do a lot of long length roofing and while fixing the sheets is a pretty quick process expansion joints can take time especially if you haven t got a good system to use. 4 apply a generous bead of waterproof roof caulk to both edges of every 6 inch wide. Technical paper architectural sheet metal manual. Presents practical troubleshooting and corrective tips for typical problems of roof panels gutters downspouts fascia copings flashing ridges and hips valleys expansion joints penetrations fasteners and soldering.

Anodize finish available upon request. Standard sizes to fit expansion joint opening of 2 3 or 4. The loops either hang down into the joint in the case of metal cover systems or are humped up by means of. Flat seam roofs used in low no slope areas or areas subject to flooding or standing water typically made from 20 x 28 sheets relative geometry is important fro expansion and contraction sheet use efficiency and wind load.

Get moisture protection from the top down with roof covers from construction specialties. The expansion joint prevents condensation by insulating against internal building temperatures. Sheet metal components enable low cost design variations in size to fit job conditions. Tear the tape off at the start of the seam and begin taping again on the opposite side of the metal sheet.

Our roof covers have extensive model options for flat and built up roofs. Copper or stainless steel is recommended lock and seal all joints solder joints on slopes less than 3 12.