Flat Deck On A Sloped Roof

Ideally your roof should have a positive slope with a fairly flat surface no indents.

Flat deck on a sloped roof.

Determine the minimum slope of the roof based on the roofing material. What causes flat roof decks to leak. However that isn t always the case. For those who desire a bit more shade and privacy while soaking up the rays however a deck roof may be in order.

They just require more thoughtful construction and maintenance. Two people can install a brand new deck in a weekend with little or no previous construction experience. Very often you can find ponding water accumulating on these deck roofs. Summer calls for sultry nights under the stars and sun drenched cocktail gatherings making the backyard deck the ultimate destination this season.

Instead a pair of beams rest on supports called sill plates to create a frame for the deck. Once you have your beams in place everything above them joists deck boards balusters and handrails is the same as for any other deck. The majority of flat roofing systems existing today cannot sustain constant ponding water and as a result water enters your house and destroys your possessions and property. It is optimal to have 1 4 per foot pitch on any flat roof.

Flat roof slope minimum according to the international building code the typical built up flat roof that uses tar or asphalt goes by the guideline that for every foot 12 inches of a flat roof a minimum of inch must step up or down. Building a deck on a flat roof is neither difficult nor time consuming. Flat roofs are incredibly versatile and many homeowners choose to transform their flat roof sections into roof decks. Inspect the roof to make sure it is in good condition and acquire any permits that may be required by the local zoning board.

Although sloped roofs are generally easier to maintain and provide more reliable insulation flat roofs are advantageous in their own ways. This is the basis for calculating the angle which is approximately a 1 19 degree slope. Foundations settle rafters bend or door openings are too close to the roof surface to increase the slope. Match the roofing on the covered porch with the main roof.

A deck on a sloped roof requires a different approach to the framing underneath the joists. Hardwood decking is then fastened to tapered pressure treated sleepers that rest on additional strips of epdm added to protect the roof from abrasion. The minimum pitch for shingles is 1 6 which is equivalent to 4. Ames contouring roof fabric.