Roof Parapet Details

Parapet Walls

Walls that extent above the roof of a building Used primarily where “store front” design is

desired Used in conjunction with balloon framing

– Balloon framing withstands wind & seismic forces structurally better than platform framing

Deters fire from spreading between buildings

Parapet Wall Construction Materials

Wood Frame– Balloon frame typical

Concrete– Poured in place– Tilt up panels

Masonry– Solid masonry

short wall extends above the finished roof– common in store

fronts– generally

incorporates balloon framing

Wood Parapet Walls

WOOD

Preventing Water Leakage (Wood Design)

Metal Coping– galvanized iron/aluminum

or baked enamels finishes– 10’ soldered joints or

mastic sealants Reglet

– metal member fastened to studs which allows flashing to snap into place

Flashing– metal member near roof

line, building paper raps up the wall under flashing

Concrete Parapet Walls Concrete Poured

in place Concrete Tilt up

slab

CONCRETE

Masonry Parapet Wall

concrete/metal cap(called coping)

waterproofingregletflashingbuilding papercant striproofingsheathing

roof joistjoist hanger

wood ledgerbond beam

Terms to Know

1--Coping

2--Reglet

3--Flashing

4--Cant strip

5--Ledger

bolt

Coping Materials Preformed cast concrete

– single or double sloped top surface (wash)

Brick paver – special design with

sloped top edge Metal caps

– Aluminum – Baked enamel

finished metal– Galvanized sheet metal

Reglet Applications and Details

Reglet Applications and Details

Reglet Applications and Details

Drafting A Detail More Notes Parapet Wall Detail

Omit all (OR AS REQUIRED) portions of notes on drawing

26 GA GI METAL COPING 26 GA GI FLASHING 30# BUILDING PAPER 5/8” CDX PLYWOOD SHEATHING 2X10 ROOF RAFTERS @ 24” OC R19-6 1/2” CRAFT FACED FGL

INSULATION 4X8 WOOD LEDGER W/ 3/8” X 8”

AB 4” MIN EMBEDDED @ 32” OC