Roof To Masonry Wall Flashing

Flashing strategies for concrete masonry walls tek 19 4a national concrete masonry association 2008.

Roof to masonry wall flashing. Wait until the sealant becomes hard before you proceed to the next step. Building code requirements for masonry structures aci 530 asce 5 tms 402 reported by the masonry standards joint committee 2002 and 2005. This detail shows the use of copper cap flashing extending over copper base flashing at the intersection of a shed roof with a masonry wall. Dge 2 lb two ply base flashing for lb masonry wall counter flashing.

Use a good masonry sealer and spread it over the area where you are going to place the metal roof flashing. Dge 2 base flashing with surface mounted counter flashing. At the base of walls a sheet metal flashing assembly that extends from the face of the backup wall through the masonry should be used to form a drip outside the wall. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.

The cap flashing is set in the mortar joint between bricks. International code council 2003 and 2006. Open valleys have metal flashing to protect this critical area of the roof. Dge 1 lb masonry with nailing facilities.

This sealer will help the adhesive stick to the mortar much better. Wall intersection at shed roof. Dge 3 lw base flashing for wood wall 24. Model edl c06 0000b.

Jamsill guard sill pan flashing 4 5625 in x 40 in plastic step flashing. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

Proper roof wall flashing example. Step 3 seal masonry wall. A sheet waterproofing membrane or water resistive barrier is utilized to flash over the back leg of the metal flashing see figure 4. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.

Use a regular paintbrush to apply the sealer to the brick. Dge 3 hw base flashing for wood wall 24 inches with coping. The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing. The usual distance between expansion joints can therefore be lengthened.