Watch Mega Decks

The crew updates a rotting deck with enclosed, air-conditioned rooms.

A couple in Black Forest, Colorado, dislikes their home's small, exposed deck that leaves guests crowded in the tiny hearth room. Garth designs a deck that opens up the walls, triples the original deck footprint and adds a floor-to-ceiling fireplace and TV to create the ultimate party space.

The crew tackle a custom log cabin in the mountains of Breckenridge, Colorado and revamp a scrawny open-air deck that's only useful a few days a year.

The crew delivers side-by-side Mega Decks to neighboring couples in Denver.

A former customer buys a new house and needs a new deck.

In Parker, Colo., a couple's home needs a major deck overhaul to take advantage of the incredible views of the Rocky Mountains and downtown Denver; the crew designs a wrap-around deck, a floor-to-ceiling stone fireplace and an outdoor kitchen.

Garth travels to the Lone Star State to build a mega deck; he unifies a disjointed patio, doubling the floor space and quadrupling the covered living area; the $325,000 deck is finished with fire pits, a swim spa and a mesquite bar top.

In Colorado Springs, Colo., homeowners call on Garth to finish their deck; James leads the build, which includes a four-season room with a skylight, an outdoor kitchen, three fire features, ornamental steel railings, and a custom spiral staircase.

The crew transforms a 20-year-old wooden deck with views of Pikes Peak, Colo.; the team builds a 13-foot-tall stone fireplace and adds sliding glass panels, a gas fire pit, two dining areas, and a grill station complete with a kegerator.

In Castle Pines, Colo., the crew builds a contemporary-style deck with a curved fireplace, a steel pergola, a 70-inch television, a state-of-the-art grill, a pizza oven, and a fire pit; the crew is subjected to dangerous wintertime conditions.

In Idaho, Garth and his team brave sub-freezing temperatures to build a $590,000 multi-level deck with distinct living areas; the indoor-outdoor space features a pizza oven, a mezzanine-level bar overlooking the Snake River and an infrared sauna.

A mountain deck features a gable roof that's tied into the vacation home's architecture; a great room gets natural log siding and a floor-to-ceiling fireplace with custom masonry; the finishing touches include a bar-and-grill station and a hot tub.

In Conifer, Colo., a mountain home gets a deck with a wall-sized stone fireplace, a hot tub that seats 12 and a grill kitchen; a delivery truck crashes on an icy road.