Elevating Siding Aesthetics. Endless Design Possibilities.
XtremeTrim is the next generation of architectural trim, providing architects and builders with thousands of design and color options to dramatically improve building aesthetics and create the modern architectural lines preferred today.
Extruded Aluminum Trim
While Tamlyn has always led the way in solutions for fiber cement siding, we didn’t stop there. XtremeTrim is engineered to aesthetically trim almost any type of siding panel or plank product with a wide range of depth options.
Unmatched Versatility
Available in primed, clear anodized, or color-matched finishes to satisfy any project requirement.
Superior Quality
Our trim is sustainable, durable, non-combustible, and lightweight, offering easy installation.
Total Customization
Need a unique shape? Tamlyn has the in-house ability to provide non-extruded fabrication of any profile.
Expert Support
Our own team of in-house experts is ready to assist you in selecting the correct profile.
XtremeTrim Reveal Systems
While Tamlyn has always led the way in solutions for fiber cement siding, we didn’t stop there. XtremeTrim is engineered to aesthetically trim almost any type of siding panel or plank product with a wide range of depth options.
Provides clean and consistent horizontal transition between panels.
Designed to create a uniform, aesthetically consistent open vertical reveal between panel, lap siding, or other materials.
Provides a clean finish at openings, edges of panels or planks and at material transitions. Specifically designed to work in conjunction with other XtremeTrim® profiles.
Provides a clean minimal set away open outside corner in an inset style which compliments the Vertical Reveal System.
Provides a clean, open inside corner which compliments the Vertical Reveal System.
Standard Reveal System
The Standard Reveal System, embodied by the Tamlyn® XtremeTrim® profiles, is the core element used to define and accentuate modern architectural aesthetics on a building’s facade.
2 Piece System
The 2-Piece Reveal System by XtremeTrim® separates the trim into a base part and a cover cap, which offers significant installation flexibility compared to single-piece profiles.
Reveal Trims by categories
While Tamlyn has always led the way in solutions for fiber cement siding, we didn’t stop there. XtremeTrim is engineered to aesthetically trim almost any type of siding panel or plank product with a wide range of depth options.
2 Piece Profiles
Inside Corners
Outside Corners
Vertical Profiles
Horizontal Profiles
Termination Profiles

