Available
SKU: BMMR4570
5″ Aluminum Inside Extreme Mitre
$0.00
Extreme Inside Box Mitres are installed with the 5"" k-style eavestrough to join 90° inside corners to continue the flow of water. It features a wider catch basin that results in more than double the volume of water flow which significantly reduces the risk of water overflowing.
- 10 pcs/ctn
- 0.032"" thick aluminum
- Large enough for a 4×4 downpipe and elbow to be installed in the middle to maximi
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Why Choose Buchner Aluminum Siding?
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Made in Ontario by a Canadian family business
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Fire-resistant, insect-proof, and won’t rot or warp
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Realistic woodgrain finish for authentic curb appeal
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Custom lengths available (8–16 feet) for faster, cleaner installs
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40+ pre-finished colours to match any exterior
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Easy to maintain—just rinse and go