Box Gutter Expansion Joint Detail

It replaces the need to box the end of two adjoining gutters and also the need to form a bridge to span the boxed ends.

Box gutter expansion joint detail.

Expansion joint 10 ridge capping 10 raked roof 11 box gutter 11 barge gutter 12 barge capping 12 curved barge 12 parapet top 13 parapet to sheet connection 13 wall flashing mid wall connections 14 internal corner trim 15 internal corner moulding 15 external corner trim 16 external corner moulding 17 wall to eave s soffit 18 fascia purlin 18. Made of 9 wide ozone resistant epdm epdm rubber is encapsulated by expandable metal sides metal sides are 067 thick by 032 wide aluminum applications. Allows proper thermal expansion of box gutter. Permaspan roof to wall detail drawing dwg 1 06 mb permaspan roof to wall detail drawing dxf 243 6 kb.

Box gutter expansion joint our stretch and seal roof flashing system is ideal for square ducts chimneys skylights and more. Box gutters allowable width slope and length. Clearance for downspouts through the wood framing is a minimum 1 2 all around. Expansion allowances gutter specific expansion tables based on girth profile metal predicted annual δt expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion.

The biggest benefit other than ease of installation is that in the case of a blocked downpipe any water can flow across to the adjoining gutter eliminating flooding. The details shown are for the lining of a wood box gutter frame. If an expansion joint must be accommodated at the corner itself it should be constructed as shown in detail 10 3b. 8 commercial box gutter expansion joint in kynar 500 steel use an expansion joint every 40 50 lineal feet.

There is always some confusion as to how the slope affects the overall depth. Minimum width 300 mm for commercial construction and 200 mm for domestic construction. When lining a masonry cornice the edge strip can be secured to the masonry cornice with brass screws and lead shields 12 apart. Made of 9 wide ozone resistant epdm epdm rubber is encapsulated by expandable metal sides metal sides are 067 thick by 032 wide aluminum applications.

The expansion strip joint has been designed to install as an expansion joint for industrial box gutters.