Gutter Expansion Joint Detail

Gutter ends are flanged then riveted and soldered into the gutter sections.

Gutter expansion joint detail.

There are a couple of options when it comes to expansion joints in gutters. Expansion joints are a component in seamless rain gutter systems designed to protect the gutters from the effects of thermal expansion. Thermal expansion is the tendency for a material to expand and contract when exposed to changes in temperature. Wind resistant offset gutter detail drawing dxf 137 17 kb wind resistant offset gutter detail drawing pdf 44 89 kb coping systems.

An expansion joint cap is placed on top over the gutter end flanges and the cover plate. Two downspouts per roof section. Do not caulk the cover plate. Click on picture for details.

At the end of the forth 4th gutter and prior to its installation install a gutter expansion cover plate to center the joint. 7 30 am 4 00 pm central time. Rubber expansion joint for 5 6 gutter. P o box 38 barnes city ia 50027 0038.

Allows proper thermal expansion of box gutter. For the lap type gutter expansion joint a gutter end is recessed 2 1 2 minimum into the gutter on one gutter section and fitted flush on the other. Permaspan roof to wall expansion joint. The traditional solution was to use the metal in short lengths increasing the need for outlets or incorporate expansion steps into the gutter.

In general long straight runs should have joints spaced a maximum of 48 feet apart. Expansion joints in copper gutters must be provided to allow for the natural expansion and contraction of copper caused by thermal changes. Permaspan roof to wall detail drawing dwg 1 06 mb permaspan roof to wall detail drawing dxf 243 6 kb. Built in gutters poses greatest risk of water intrusion soldered or welded joints only stainless steel and copper recommended use high quality membrane underneath as a secondary underlayment specific shapes address water freezing attention to expansion allowances design min.

The expansion joint consists of a self adhesive rubber strip to cover a 1 gap joint between adjoining sections and an exterior cover plate. For 5 6 gutter. Expansion joints may also be required at changes in gutter width or depth at corners and at end conditions. 8 commercial box gutter expansion joint in kynar 500 steel use an expansion joint every 40 50 lineal feet.