With the help of a helicopter to deliver a spiral staircase, the team transforms a small deck into a year-round outdoor space complete with skylights and a custom kitchen.

The team works to install four fire features on a tiny, cramped deck, but a detailed concrete pour proves challenging and less-than-ideal soil conditions are an unwelcome surprise.

The team tears down a dilapidated deck to make room for a $200,000 rustic retreat, but when an engineer nixes part of the design, the crew has to think quickly on their feet.

With a half a million-dollar budget, this deck spares no expense. But the tight 12-week deadline puts a ton of stress on everyone, especially with features like an elevator, mahogany decking, three skylights, and glass walls.

The Mega team overhauls an ugly and dangerous deck disaster. They face challenging weather, rotting wood and even an infestation while transforming two separate and unusable spaces into a sprawling, year-round retreat.

Mega Decks takes on its biggest demo ever in Colorado, creating 1,500 square feet of luxury outdoor living that includes a pergola with skylight, gable roof and staircase

The team turns a sunroom, concrete patio and dirt landing into a cohesive zen-style space with a covered deck, pond and a fire pit.

The Mega Decks crew transforms a young family's hazardous wooden deck into a two-story masterpiece including a stone kitchen and bar.

The team builds their biggest and most expensive masterpiece over four months on a $750,000 budget. Big problems start after finishing the deck, when freezing temperatures put an indefinite hold on finishing the pool.

The team has big plans to knock down a cramped deck and create a larger, enclosed space. But as the crew uncovers a retaining wall below, the plans for expansion come into question.

The crew transforms a 1970s-era sunroom and disjointed deck into one cohesive space where the family can eat, entertain and stay warm together.

Garth and the crew turn a wrap-around porch into a four-season deck with a log cabin feel. The team is thrown for a loop when the homeowners change the design with just three weeks to spare. Can they finish the job in time?

The team transforms a small and shabby two-level deck into a double-decker party zone with all the familiarities of home. 18-foot high ceilings, glass panels and audio / visual elements all come together to create one mega deck.