A shed roof, also known variously as a pent roof, lean-to roof, outshot, catslide, skillion roof, and, rarely, a mono-pitched roof, is a single-pitched roof surface. This is in contrast to a dual- or multiple-pitched roof.

What is a pent style roof?

A pent roof has one sloping side only. The front of the timber building is most commonly the side with the highest point of the pent roof and it then descends to the back.

Is pent roof a flat roof?

What is a pent roof? Also known as a mono-pitched roof, shed roof or lean-to roof, a pent roof is often thought of as a flat roof, but it's actually a single-sloped roof. The slope allows water to fall gradually from the roof surface, preventing major flooding or damage to your garage roof.