Description: Through-wall flashing is used to divert moisture, which has entered the wall, to the outside, before it can cause damage. This flashing method is considered the most satisfactory method of preventing leaks except in areas exposed to earthquakes. If your roof has many peaks, dormers, skylights, and chimneys, then you know that you need a considerable amount of flashing that will cost more than average.

Flashing damage is, without a doubt, an indicator that you may need roof repairs or an update, so regularly monitoring the quality of your flashing might save you big down the road. Coordinate work of this section with interfacing and adjacent work for proper sequencing. Ensure weather resistance and durability of work and protection of materials and finishes.

There are several parts of your roof that you may not even think about that require flashing, such as around your chimney or around your windows and skylights. Here are some of the main parts of your roof that you should consider applying flashing to: As a roofer or window installer, it’s important to select the correct flashing type that pairs with your roof window and roof material. Fabricate corners from one piece with minimum 18-inch (450-mm) long legs; solder for rigidity if required; seal non-soldered weather joints with sealant. Product data for flashing, metal, and accessories: Manufacturer's technical product data, installation instructions and general recommendations for each specified sheet material and fabricated product.

Cold rolled (to 1/8-hard temper) copper is recommended for most flashing applications. This material offers more resistance than soft copper to the stresses of expansion and contraction. Soft copper can be specified where extreme forming is required, such as in complicated roof shapes. Thermal movement in flashings is prevented or is permitted only at predetermined locations. [12] Aluminium– Arguably the most commonly used material, it is easy to form and shape as needed and is also lightweight. Regardless of your selection, keep an eye on the state of your flashing as it will prove to be an excellent indicator of the general status of your roofing. Flashing is vital to the protection of your home—by selecting the proper material and keeping tabs on your flashing’s quality, you make an excellent investment in avoiding serious damage and major costs for repairs down the road. Special Conditions: For areas where ice and snow conditions occur see the Design and Installation Considerations Section. DESIGN PROFESSIONAL IS RESPONSIBLE FOR DESIGNING SYSTEM, INCLUDING ANCHORAGE, FASTENER SIZE, AND SPACING.You probably are familiar with the shingles on your roof, or whichever other type of covering keeps your home dry and safe. However, amidst these popular materials is the perhaps less popular but equally important roof flashing material. THIS SECTION USES THE TERM "ARCHITECT." CHANGE THIS TERM AS NECESSARY TO MATCH THE ACTUAL TERM USED TO IDENTIFY DESIGN PROFESSIONAL AS DEFINED IN THE GENERAL AND SUPPLEMENTARY CONDITIONS. PART 1-GENERAL 1.1 SUMMARY Roofing accessories installed integral with roofing membrane are specified in roofing system sections as roofing work.