Which feature may be utilized to minimize water accumulation within a window trough?

The feature that effectively minimizes water accumulation within a window trough is a weep hole. Weep holes are small openings incorporated into the design of window frames and troughs. Their primary function is to allow any collected water to drain away, thus preventing water buildup that could potentially lead to structural damage, mold growth, or wood rot.

In the context of window design, if water were to accumulate in the trough without any means of drainage, it could compromise the integrity of the window and surrounding materials. Weep holes ensure that moisture can escape, enhancing the overall durability and moisture management of the window system.

Other options, while they may serve different purposes, do not perform the specific function of facilitating drainage like weep holes do. For instance, a cap might serve to protect the trough from debris but does not provide a drainage solution. A trough liner could help shape the trough or protect it from damage but doesn’t address water accumulation directly. A rain block may serve to prevent direct rainwater entry but does not facilitate drainage within the trough itself. Thus, weep holes are essential for minimizing water accumulation effectively.