MarPec, Inc. is an innovative developer of commercial and residential building technologies.  Our product line includes the 5N1 brand gutter & fascia system with matching window and frieze board trims. Our Adjust-A-Fit brand product line includes roofing & gutter accessories, and the most durable aluminum garage door jambs in the market today. The new Retro Fit Gutter is available, the easy snap on design is a new revolutionary design that is easy to install while enhancing the look of the your project. 


The patented 5N1 Gutter System replaces at least five separate gutter related items that must be purchased and installed when completing a new construction building project.This includes the fascia cover, drip edge, gutter body, soffit receptacle, leaf guard, and decorative cove molding cover.The 5N1 Gutter provides a high end, industry leading, cost effective solution by replacing all of these items with a single product.This is a very heavy duty, extruded aluminum gutter, custom powder coated to precisely match the customer’s needs.