Concrete Sloped Roof Design

From a structural standpoint low slump concrete is good.

Concrete sloped roof design.

Constructing a concrete slab for a structural roof is different from that for building a slab on the ground in that attention must concern two important objectives. Because roof terraces are typically located over internal spaces of the house ensuring the terrace is waterproof is the biggest. A few builders like mike and dustin king of ateg engineering are taking on incredibly complex roof designs with multiple hips valleys and ridgelines and constructing them out of concrete. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.

Forming for the roof begins with post or scaffold type shoring erected to support wood joists and stringers. For a mild slope such as the 1 in 20 slope required for a wheelchair ramp a 3 in. Many design professionals specify horizontal framing members with a sloped topping surface for drainage figure 4. Concrete roofing system inc was selected to reflect their concerns with homeowner safety and envi ronmental issues such as resource and energy conservation.

If you aren t sure just describe the job to the concrete dispatcher and they will tell you what slump to use. Thanks to innovative forming systems and improved design software sloped concrete roofs are easier now than ever before. For steeper slopes you will have to go to a 1 in. Three of the homes featured a gable roof design one a hip design.

Roof construction the sloping roofs are suitable for homes having masonry or concrete walls. Construction sloping roof concrete easy pour concrete step by step buiding skills. Each home was designed and constructed using an icf wall system and lite deck icf roof system. Roofs due to their complexity and the difficulties associated with overlooking provisions written into residential design codes.

The two homes with longer spans required 10 lite deck system the two shorter spans used 6 lite deck. These options allow concrete roofs to fit virtually any desired housing style though sloped roofs require a great deal more engineering and design. Contractors can cover the roof with any manner of finish tiles or shingles to help give it the desired look.