Replace Box Gutter With Overhang

Hang the new gutter next to the old one and then slide the patch under the seam.

Replace box gutter with overhang.

Cut a replacement piece from pressure treated lumber. Built in gutters also called box or hidden gutters are actually a type of rain gutter and can replace the latter especially when the conspicuous appearance of the rain gutter is the main issue. A vertical pipe where water goes through from gutters and roof catchments to the drainage. The foundation of most box gutters is wood that is then covered with thin sheet metal such as tin copper lead stainless steel.

Box gutters are valley like troughs at the edges of roofs which are concealed in appearance and don t draw attention from the beauty of the house. Screw the rafter to the chimney cleat as well. When you buy your new gutter section make sure you order either an inside or outside box miter at the same time. Rainhead overflow or specific box gutter overflow must be at least 30mm below the height of the back of the box gutter.

I fall or slope box gutters to be installed with a minimum uniform fall of 1 in 200 towards the outlet. Remove an area of the roof shingles from the edge of the roof to the upper line of the overhang using a 16 inch nail bar and hammer to pull the roofing nails. A box gutter is actually built into the bottom of the roof or into the roof overhang. Hang the gutter lower the top of the bead must be 20mm below the top of the fascia to allow water to overflow safely over the bead.

Boards under the high point and just above the roof framing. Subscribe to this old house. The cleat helps support the new overhang. Section from the box miter with a tin snips and you ve got yourself a custom slip joint.

Clamp a 1 by backing board in place and screw the new rafter to it. A box gutter does not hang onto the edge of a roof or on the edge or side of a house as many modern pre formed metal gutters do. Ask this old house general contractor tom silva installs an alternative to a gutter when a traditional one does not work. If your home center or hardware store doesn t sell pre bent flashing ask an aluminum siding contractor or local sheet metal fabricator to bend some for you.

Use a powder actuated nailer to attach a 2x4 cleat to a brick chimney. Attaches the gutter to the downspout. This effectively states that all box gutters must allow for 30mm of freeboard which is from the overflow point eg. You can make your own from a box miter and box miters are available in every color gutters are made.

Use a 10mm spacer this creates a gap behind the gutter so water can overflow freely. The vba has provided several options for plumbers to make an installation compliant.