Proper Tile Balcony Floor Flashing
Flashing must be installed like shingles flashing relies on physics to do its job properly.
Proper tile balcony floor flashing. In areas where snow may build up add a wide band of peel and stick membrane over the step flashing but under the sheathing wrap as shown. Sooo the sub hot mopped mortared and tiled. Often these proprietary systems are highly modified versions of the f103 system allowing precipitation to drain away from the tile. Install z flashing behind the bottom of the ledger and over the siding below.
In this case the large tile was 11 3 4 inches square and the small tile was 5 3 4 inches square. Not only should the surface of the tile be sloped to the respective drains at the rate of 1 4 per foot but the surface of the underlying peel and stick membrane should be sloped to a drain weep system at the rate of 1 4 per foot. This keeps water from wicking along the bottom of the ledger and getting behind the siding. The deck never leaked but the thicker deck surface didn t allow for proper flashing at the interface to the house.
Tile rated for outdoor use serves as an ideal balcony floor covering. Framing wall sheathing sheathing paper p t. Balcony s should be waterproofed like we do for shower floors. Balcony edge flashing concrete topping.
The architect had specified a membrane under the tile but the contractor wasn t familiar with this type of construction this was 18 years ago. Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. Usually but not always one tile in this pattern is twice as big as the other. The tcna handbook contains two details for decks f103 roof decks and f104 balcony decks.
Gap between the end of the ledger and the ends of siding and fill it with high quality exterior caulk to keep water from leaking behind the ends of the ledger. Wood strapping metal parapet flashing stucco cladding exterior caulking a a b b. Choose from stone products such as slate or traditional porcelain in a variety of colors and finishes. Additionally many manufacturers of setting materials also make roof deck drainage systems.
With a 1 4 inch mortar joint the size of the increments for the layout ended up an even 12 inches and 6 inches. Wood sloped blocking sloped blocking membrane flashing wall membrane flashing sheathing paper corner membrane flashing p t. Either a drain within the balcony or having it drain off the side of the balcony that has a drip edge flashing so it doesn t stain the side of the building. The tile floor has to be designed so water has a path to drain away either into a floor drain or off the edge of the balcony into a drain gutter or with some sort of drip edge flashing so the water doesn t drain over the surface of the exterior wall below it.