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.

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Standard Horizontal Z

Provides clean and consistent horizontal transition between panels.

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Vertical Reveal

Designed to create a uniform, aesthetically consistent open vertical reveal between panel, lap siding, or other materials.

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Standard J Mold

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.

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Reveal Open Outside Corner

Provides a clean minimal set away open outside corner in an inset style which compliments the Vertical Reveal System.

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Reveal Inside Corner

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. 

Reveal Open Outside Corner

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

Specialty Profiles