Drain holes

Interior · Windows, Skylights and Solariums · printed page 362 (PDF page 363)

Book index entries

Drain Holes in Windows Drain Holes Skylight – Window and Solarium from the Inside and Window and Skylight from the Inside Skylight and Solarium from the Inside

Text in the illustration

outside
inside
window sash and glass
drain holes
the drain holes can become plugged with debris allowing water to back up over the tracks, to the inside
water
sill

Generated explanation

The illustration shows a cross-section through window sashes and glass seated over a multi-track frame on a sill. Drain holes through the exterior-side tracks provide a path for water to escape toward the outside. A dashed arrow traces water flowing through these openings and off the exterior side of the frame. An annotation warns that debris can plug the drain holes, allowing water to back up over the tracks and enter the interior.

Related illustrations

2052

Window installed backwards

· p. 365

The illustration shows a cross-section of a window installed backwards, with the outside on the left and the inside on the right. Window sashes and glass sit above a sloped lower frame supported on a sill. The lower fram