![](https://www.madero.ca/content/product-beauty-image/Thresholds_Beauty1-variants/product_full/Thresholds_Beauty1.jpg)
![](https://www.madero.ca/content/product-beauty-image/KNCrowder_Beauty2-variants/product_full/KNCrowder_Beauty2.jpg)
1/2" Rise
CT-Series Extruded Aluminum Thresholds with 1/2" Rise
CT-9, 10, 11, 12, 32
All thresholds are supplied punched with No. 10 x 1-1/2" flat head self-drilling tap-con screws at no additional costs.
This top of the line product is available in almost any shape, dimension, colour, and pattern; special requests can be made available by contacting Penner.
K.N. Crowder is dedicated to supply products that meet or exceed requirements by Architects and Contract Hardware Consultants.
- Designs
- Specifications
- Downloads
![](https://www.madero.ca/content/variant-hero-image/1-2in-Rise_600x600-variants/madero_thumb_square/1-2in-Rise_600x600.jpg)
1/2" Rise
![](https://www.madero.ca/content/variant-hero-image/1-2in-Rise_600x600-variants/madero_full_tall/1-2in-Rise_600x600.jpg)
1/2" Rise
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Fire rated
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Extruded aluminum sill, 1/2" height
- Widths from 4" to 8"
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Max. lengths from 16' to 18'
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Wheelchair accessible