Roof Flashing Details Index

Transcription

Roof Flashing Details Index
FD01
Interior Roof Drain Detail
2
FD02
Interior Drain with Gravel Stop Detail
3
FD03
Scupper Roof Drain Detail
4
FD04
Gutter Roof Drain Detail
5
FD05
Roof-Top Equipment Curb Detail
6
FD06
Roof-Top Metal Air Shaft Curb Detail
7
FD07
Roof-Top Wood Air Shaft Curb Detail
8
FD08
Roof Skylight Detail
9
FD09
Roof-Top Chimney Pipe Detail
10
FD10
Roof-Top Plumbing Vent Pipe Detail
11
FD11
Sheet Metal Pipe Enclosure Detail
12
FD12
Roof-Top Pipe Roller Support Detail
13
FD13
Structural Roof Deck Penetration Detail
14
FD14
Metal Covered Expansion Joint Detail
15
FD15
Premanufactured Expansion Joint Detail
16
FD16
Roof Area Divider Detail
17
FD17
Raised Metal Roof Edge Detail
18
FD18
Gravel Stop Metal Roof Edge Detail
19
FD19
Post Supported Roof Deck Flashing Detail
20
FD20
Wall Supported Roof Deck Flashing Detail
21
FD21
Concrete Wall Counterflashing Detail
22
FD22
Metal Wall Cap Flashing Detail
23
Fields Roof Systems Manual • (253) or (800) 627-4098 • www.fieldscorp.com
FD01 Interior Roof Drain Detail
Coverboard insulation
Thermal insulation
A 30” sq min, 1.5 lb to 4 lb lead, or 16 oz copper flashing adhered
onto finished roof with M300 RubrMastic. Prime top surface of
metal flashing with M400 RubrPrime and install M60 RubrPoly
flashing sheets
Drain strainer
M60 RubrPoly flashing sheets
Roof deck
Tapered insulation
Clamping ring
Deck clamp
Drain bowl
Fields roof membrane sheets, metal flashing, & M60
RubrPoly flashing sheets all under clamping ring
Fields M300 RubrMastic
Fields roof membrane sheets
Side View
A 30” sq min, 1.5 lb to 4 lb lead, or 16 oz copper flashing
adhered onto finished roof with M300 RubrMastic. Prime
top surface of metal flashing with M400 RubrPrime and
install M60 RubrPoly flashing sheets
Clamping ring
Drain strainer
M60 RubrPoly
flashing sheets
Fields roof
membrane sheets
Tapered insulation
Fields roof membrane sheets, metal
flashing, & M60 RubrPoly flashing
sheets all under clamping ring
Notes
1. Metal deck sump pans are prohibited.
2. Type 1 dead level asphalt is prohibited in the drain
sump area.
Roof deck
Drain bowl
Thermal insulation
Deck clamp
FD02 Interior Drain with Gravel Stop Detail
A 30” sq min, 1 1/2 lb to 4 lb lead, or 16 oz copper
flashing adhered onto finished roof with M300
RubrMastic. Prime top surface of metal flashing
with M400 RubrPrime and install M60 RubrPoly
flashing sheets
A 1” x 4” sheet metal gravel stop, 36” sq min
adhered in place with M300 RubrMastic
M60 RubrPoly
flashing sheets
Drain strainer
4”
Thermal
insulation
Coverboard
insulation
Roof deck
Tapered insulation
Clamping ring
Deck clamp
Drain bowl
Fields roof membrane sheets, metal flashing, & M60
RubrPoly flashing sheets all under clamping ring
M300 RubrMastic
Side View
A 30” sq min, 1 1/2 lb to 4 lb lead, or 16 oz copper flashing adhered onto
finished roof with M300 RubrMastic. Prime top surface of metal flashing
with M400 RubrPrime and install M60 RubrPoly flashing sheets
Clamping ring
Drain strainer
A 1” x 4” sheet metal
gravel stop, 36” sq min
adhered in place with
M300 RubrMastic
M60 RubrPoly
flashing sheets
Fields roof
membrane sheets
M60 RubrPoly
flashing sheets
Tapered insulation
Notes
Fields roof membrane sheets, metal
flashing, & M60 RubrPoly flashing
sheets all under clamping ring
1. Metal deck sump pans are prohibited.
2. Type 1 dead level asphalt is prohibited in the
drain sump area.
Roof deck
Drain bowl
Thermal insulation
Deck clamp
FD03 Scupper Roof Drain Detail
High domed, capped, & gasketed
fasteners 18” oc, depending upon wind
zone and local conditions
Bead of sealent
Sheet metal scupper
See “Raised Metal Roof Edge Detail FD17”
for sheet metal fascia counterflashing
A .75” x 3” min L shaped
gravel guard secured to the
scupper flange & notched to
permit drainage
4” min
4” min
2” min
Sheet metal
conductor head
Slope to the drain
Scupper fastened to blocking with fasteners 3” oc &
staggered. Flange adhered into M300 RubrMastic &
primed with M400 RubrPrime before installing M60
RubrPoly flashing sheets
M60 RubrPoly
envelope sheet
Treated wood nailers
Thermal insulation
M60 RubrPoly sheet extended
below blocking
Roof deck
Side View
Sheet metal scupper
Notes
1. This detail shall be installed only where the deck is
supported by the outside wall.
A .75” x 3” min “L”
shaped gravel guard
secured to the scupper
flange & notched to
permit drainage
Sealant
See “Raised Metal Edge Detail FD17” for
sheet metal fascia counterflashing
Scupper fastened to blocking with
fasteners 3” oc & staggered. Flange
adhered into M300 RubrMastic &
primed with M400 RubrPrime before
installing M60 RubrPoly flashing sheets
2. This detail may be adapted to roof edges as shown in
Interior Roof Drain Detail FD01.
Fields roof membrane
sheets
3. Roof surfaces shall be sloped for positive drainage.
sloped to the drain
4. Attach wood nailer to wall with suitable fasteners.
Thermal insulation
5. Wood blocking shall be slotted for venting wet filled
decks.
6. Scupper opening through roof edge shall be 2’ or less.
Roof deck
M60 RubrPoly envelope sheet
Sheet metal
conductor head.
M60 RubrPoly sheet extended below
blocking
FD04 Gutter Roof Drain Detail
Sheet metal edge flashing with gravel stop lip.
Flange primed with M400 RubrPrime before
installing M60 RubrPoly flashing sheets
M60 RubrPoly
envelope sheet
Fasteners 3” oc & staggered
Gutter spacers alternately spaced from
brackets
M60 RubrPoly flexible sheet closure into
gutter
Roof deck
Continuous cleat
Wood nailers
Gutter brackets supported 12” to 36” oc
depending upon conditions
Sheet metal gutter
Turn down
Continuous sheet metal closure
fastened 18” oc
Flange adhered into M300 RubrMastic
M60 RubrPoly sheet extended to
overlay metal closure
Side View
M60 RubrPoly flashing
sheets
Notes
1. In climates where the winter temperature
remains below freezing for extended periods of
time, install Raised Metal Roof Edge Detail
FD17 and interior drains, or through curb
scuppers to drain the roof.
Sheet metal edge flashing with gravel
stop lip. Flange primed with M400
RubrPrime before installing M60
RubrPoly flashing sheets
M60 RubrPoly flexible
sheet closure into gutter
Continuous cleat
Fasteners 3” oc staggered
Gutter spacers alternately
spaced from brackets
Fields roof membrane
sheets
M60 RubrPoly envelope
sheet
Turn down
2. Gutter brackets are required to be at least one
gauge heavier than gutter stock.
Sheet metal gutter
3. Attach wood nailer to wall or deck with suitable
fasteners.
4. Gutter expansion joints shall be installed at
appropriate intervals commensurate with the type
of metal.
Roof deck
Wood nailers
Gutter brackets supported 12” to
36” oc depending upon conditions
Continuous sheet metal closure
fastened 18” oc
M60 RubrPoly sheet extended to
overlay metal closure
FD05 Roof-Top Equipment Curb Detail
Sheet metal cover with receiver
for counterflashing
Install bolts into sealant
10” nominal
flashing height
Neoprene pad
Removable sheet metal counterflashing
High domed, capped, & gasketed fasteners 18” oc,
depending upon wind zone and local conditions
Fasteners 8” oc
Fields roof membrane sheets extended 2” min above
top of cant
Wood cant fastened to wood nailers
M60 RubrPoly flashing sheets extended to a min
height of 8”
Wood curb
Wood nailers
Thermal insulation
Roof deck
Side View
Sheet metal cover with receiver for
counterflashing
Install bolts into sealant
Noeprene pad
Notes
High domed, capped, & gasketed
fasteners 18” oc, depending upon
wind zone and local conditions
Removable sheet metal
counterflashing
1. This detail allows for roof maintenance around
supported equipment. The continuous support
design shall be installed in light weight structural systems so as to distribute the equipment
weight across two or more structural support
members. A min of 2’ of horizontal clearance
shall be provided for removal and replacement
of roofing and flashing between parallel supports. A min of 3’ of vertical clearance from
roof surface to bottom of supported equipment
shall be provided.
2. Attach wood nailer to deck with suitable fasteners.
10” nominal
flashing height
Fasteners 8” oc
extended 2” min above top of cant
extended to a min height of 8”
Wood curb
Wood nailers
Wood cant fastened to
wood nailers
Thermal insulation
Roof deck
FD06 Roof-Top Metal Air Shaft Curb Detail
Sheet metal flashing receiver
Sealing material
Min of 2 high domed, capped, & gasketed
fasteners 18” oc per side, depending upon wind zone and
local conditions
10” nominal
flashing height
Equipment mounting curb
Wood nailer
Fasteners 8” oc
Fields roof membrane sheets extended 2” min above top of
cant
M60 RubrPoly flashing sheets extended to a min height of
8”
Alternate curb
bearing location
for heavy weight
loading conditions
Equipment
Thermal insulation
Base of unit shall extend
.5” min beyond top of curb
Roof deck
Sealing material shall be
continous on top of the curb
Install a min of 2 high domed,
capped, & gasketed fasteners
18” oc per side, depending upon
1” min below top of curb
Flashing receiver
Fasteners
Wood nailer
Side View
Sealing material
counterflashing
Wood nailer
Fasteners 8” oc
sheets
extended a min of 2” above top
of cant: Not shown for clarity
Insulation
10” nominal
flashing height
Counterflashing
Notes
1. The top wood nailer of the curb & the seal strip
shall be supplied by the curb manufacturer.
2. Attach the treated wood nailer to deck with
suitable fasteners.
3. Mechanical units shall be installed after the roof
membrane and flashings have been installed.
Alternate curb bearing
location for heavy
weight loading conditions
Thermal insulation
Roof deck
FD07 Roof-Top Wood Air Shaft Curb Detail
Sealing material
10” nominal
flashing height
Wood curb
Min of 2 high domed, capped, & gasketed fasteners 18”
oc per side, depending upon wind zone and local
conditions
Wood nailers
Fasteners 8” oc
Wood cant to
brace curb
Fields roof membrane sheets extended 2” min above top
of cant
M60 RubrPoly flashing sheets extended to a min height
of 8”
Equipment
Thermal insulation
Base of unit shall extend .5” min
beyond top of curb
Roof deck
Side View
Sealing material shall be
continous on top of curb
Sealing material
1” min below top of curb
Min of 2 high domed, capped, &
gasketed fasteners 18” oc per
side, depending upon wind zone
and local conditions
Flashing receiver
Fasteners
Wood nailer
counterflashing
Counterflashing
Fasteners 8” oc
10” nominal
flashing height
of cant: Not shown for clarity
Notes
1. Attach wood nailer to the deck with suitable
fasteners.
2. The equipment shall be set after the roof
membrane and flashings have been installed.
Wood cant to
brace curb
Wood nailers
Thermal insulation
Roof deck
FD08 Roof Skylight Detail
Double dome skylight installed by others
Skylight frame with weep holes
Min of 2 high domed, capped, & gasketed fasteners 18” oc
per side, depending upon wind zone and local conditions
10” nominal
flashing height
Fasteners 8” oc
Fields roof membrane sheets extended 2” min
above top of cant
M60 RubrPoly flashing sheets to a min height of 8”
Thermal insulation
Wood nailers
and curb
Roof deck
Wood cant to
brace curb
Side View
Double dome skylight installed by others
Skylight frame with weep holes
fasteners 18” oc per side, depending upon
wind zone and local condition
10” nominal
flashing height
Fasteners 8” oc
Fields roof membrane sheets extended a min
of 2” above top of cant
M60 RubrPoly flashing sheets extended to a
min height of 8”
Thermal insulation
Note
Roof deck
1. Attach treated wood nailer to deck with suitable
fasteners.
Wood cant to brace curb
Wood nailers and curb
FD09 Roof-Top Chimney Pipe Detail
Temperature appropriate elastomeric sealer
Drawband or weld umbrella to stack
Insulate void for cold stack
10” nominal
flashing height
wind zone and local condition
Fasteners 8” oc
Fields roof membrane sheets extended 2”
min above top of cant
Metal or
gypsum liner
Varies
Thermal insulation
Roof deck
Side View
Temperature appropriate elastomeric sealer
Drawband or welded umbrella to stack
Metal or gypsum liner is required
Insulate void for cold stack
counterflashing
Notes
1. This detail allows the opening to be completed
before the stack is placed.
10” nominal
flashing height
Fasteners 8” oc
of cant
2. The clearance necessary between the gypsum or
metal liner and the stack, and the need for
insulation, will depend on the temperature of
the material emited through the stack.
3. Attach treated nailer to the deck with suitable
fasteners.
Wood nailers & curb
Thermal insulation
FD10 Roof-Top Plumbing Vent Pipe Detail
Form top of flashing 1” down into pipe
Soft metal pipe flashing
Plumbing vent stack
Apply M300 RubrMastic at juncture of pipe
penetration through roof membrane
6” min flange
4” min
4” min
Thermal insulation
Roof deck
Adhere flange with M300 RubrMastic.
Prime top of flange with M400 RubrPrime
before flashing with M60 RubrPoly
Side View
Form top of flashing 1” down
Plumbing vent stack
Soft metal pipe flashing
Apply M300 RubrMastic at juncture of
pipe penetration through roof membrane
Adhere flange with M300 RubrMastic.
Prime top of flange with M400
RubrPrime before flashing with M60
RubrPoly sheets
Notes
1. Soft metal pipe flashing:
Minimum sheet lead of 2.25 lb per sq ft or
Minimum sheet copper of 16 oz per sq ft
n
nf
mi
6”
mi
4”
4”
2. If using copper flashing over an iron or steel
pipe, insert a separator sheet wrapped around
pipe, to separate the copper flashing from direct
contact with pipe so as to reduce galvanic
reaction.
mi
n
lan
ge
3. Vent stacks and other pipes shall have a min of
12” clearance on all sides from walls, curbs, and
other projections to facilitate correct flashing &
maintenance.
Thermal insulation
Roof deck
FD11 Sheet Metal Pipe Enclosure Detail
Slope sheet metal enclosure for drainage
Insulate void to prevent condensation
Sheet metal or flex tube collar
10” nominal
flashing height
Slope pipes down and away from hood
Install sheet metal flashing receiver
Min of 2 high domed, capped, & gasketed fasteners 18” oc
per side, depending upon wind zone and local conditions
Fasteners 8” oc
Wood cant
to brace curb
Fields roof membrane sheets extended
2” min above top of cant
Min 4” clearance from
pipe to top of curb & min
2” between pipes
Side View
Thermal insulation
Roof deck
Slope sheet metal enclosure for drainage
Sheet metal or flex tube collar
Slope pipes down and away from hood
Min 4” clearance from pipe to top of curb
& Min 2” between pipes
10” nominal
flashing height
Fasteners 8” oc
Notes
Fields roof membrane sheets extended a
min of 2” above top of cant
M60 RubrPoly flashing sheets to a min
height of 8”
1. This detail eliminates pitch pockets for
piping penetrations through the roof.
Pitch pocket installations are prohibited.
2. Attach treated wood nailer to deck with
suitable fasteners.
Thermal insulation
Roof deck
FD12 Roof-Top Pipe Roller Support Detail
10” nominal
flashing height
Adjust vertically and horizontally
See “Roof-Top Equipment Curb Detail
FD05” for curb construction
Install bolts in sealant
Notes
1. It is required that pipes & conduits be installed
in other locations other than on the roof.
However, where pipes and conduits are absolutely necessary on the roof, a pipe roller support
is required.
2. This detail is designed to eliminate roof damage
due to expansion and contraction of pipes &
conduits.
FD13 Structural Roof Deck Penetration Detail
Structural member
Welded plate sealed watertight
10” nominal
flashing height
Min of 2 fasteners 18” oc per side, depending upon
Removable sheet metal counterflashing.
Fasteners 8” oc
Fields roof membrane sheets extended a min of 2”
above top of cant.
height of 8”.
Thermal insulation
Roof deck
Side View
Structural member
Welded plate sealed watertight
Notes
1. This detail eliminates pitch pockets for
structural penetrations through the roof.
Pitch pockets are prohibited.
10” nominal
flashing height
Fasteners 8” oc
height of 8”
2. This curbed system allows for movement in
the structural member without damaging the
roof system membrane.
Thermal insulation
Roof deck
suitable fasteners.
FD14 Metal Covered Expansion Joint Detail
Flexible vapor retarder to
serve as insulation retainer
attached to top of curb
Sheet metal expansion joint cover
Drive cleat or standing seam joint
Install compressible
insulation
Extend M60 RubrPoly flashing sheets
10” nominal
flashing height
Install flexible waterproof membrane closure
Min of 2 high domed, capped, & gasketed fasteners
18” oc per side, depending upon wind zone and
local conditions
Fasteners 8” oc
Bevel top of both wood curbs to drain to one side
Fields roof membrane sheets extended 2” min
above top of cant
height of 8”
Thermal insulation
Side View
Roof deck
Sheet metal expansion joint cover
Flexible waterproof membrane closure
Bevel top of both wood curbs to drain
to one side
Fasteners 8” oc
Flexible vapor retarder to
serve as insulation retainer
attached to top of curb
gasketed fasteners 18” oc per side,
depending upon wind zone and local
conditions
10” nominal
flashing height
M60 RubrPoly flashing not
shown for clarity
Notes
height of 8”
Compressible insulation
1. This detail allows for building movement in
both directions.
Thermal insulation
2. Flashing requirements are the same for both
sides of expansion joint.
Roof deck
suitable fasteners.
Wood nailers & curb
FD15 Premanufactured Expansion Joint Detail
Extend M60 RubrPoly
flashing sheets
Premanufactured expansion
joint cover
10” nominal
flashing height
Flexible vapor retarder to serve as
insulation retainer
Fasteners 8” oc
Bevel top of both wood curbs to drain to
outside.
Fields roof membrane sheets extended 2”
min above top of cant.
M60 RubrPoly flashing sheets extended to
a min height of 8”
Install compressible insulation
Thermal insulation
Roof deck
Side View
Premanufactured expansion joint cover
sheets not shown for clarity
10” nominal flashing
height
Flexible vapor retarder to serve
as insulation retainer attached
to top of curb
Notes
to outside
Fasteners 8” oc
conditions
Compressible insulation
1. This detail allows for building movement in
both directions.
Thermal insulation
2. Flashing requirements are the same for both
sides of expansion joint.
suitable fasteners.
Roof deck
Wood nailers & curb
FD16 Roof Area Divider Detail
Sheet metal area divider cover
10” nominal
flashing height
Fasteners 8” oc
Bevel top of both wood curbs to drain to outside
Fields roof membrane sheets extended 2” min above
top of cant.
Thermal insulation
Roof deck
Side View
Install sheet metal area divider cover
to outside
Notes
1. An area divider shall be designed as a raised
double wood member attached to a securely
fastened wood base plate that is anchored to
the roof deck. Area dividers shall be located
between the roof ’s expansion joints at about
150’ to 200’ intervals, depending upon
climatic conditions. Area dividers are
prohibited from restricting the flow of water.
10” nominal
flashing height
Fasteners 8” oc
conditions
2. The flashing requirements are the same for
both sides of the area divider.
3. Attach the treated wood nailer to the deck
with suitable fasteners.
Thermal insulation
Roof deck
Wood nailers & curb
FD17 Raised Metal Roof Edge Detail
f
ho
t
g
len al
ch met
a
e
r
eet g
x fo er sh shin
a
t
fla
’m e
12 erim nter
p ou
c
Sheet metal counter flashing
fasteners 18” oc per side, depending upon wind
zone and local conditions
1/2” gap
Fasten M60 RubrPoly
flashing sheets 8” oc
Sheet metal joint cover plate in 2 beads of sealant
Fasten wood cant to
blocking
4
mi ”
n
M60 RubrPoly flashing sheets extended a min of
4” beyond base of cant
1” min below blocking
First M60 RubrPoly flashing sheet extended
below the blocking
Thermal insulation
Roof deck
Side View
Continuous cleat
Sheet metal counter flashing
First M60 RubrPoly
flashing sheet
extended below
the blocking
Fasten M60 RubrPoly flashing sheets
layer a min of 8” oc
conditions
4”
minimum
1. Attach the treated wood nailers to the wall or deck
2. Wood blocking shall be slotted for venting wet filled
decks.
3. This detail shall be installed only where the deck is
supported by the outside wall.
1” minimum below blocking
Notes
extended a min of 4” beyond base of
cant
Thermal insulation
Roof deck
Wood cant to blocking
Continuous cleat
FD18 Gravel Stop Metal Roof Edge Detail
of
th
g
n
h le tal
eac et me
r
e
fo
ax ter sh shing
m
a
’
e
12 erim ter fl
p oun
c
Sheet metal joint cover plate a minimum 6”
wide installed in 2 beads of sealant
1/2” gap
Flange 4” min width
3” min width
Fasteners 3” oc &
staggered
3” min width
4”
mi
When installing a mineral sheet as the reflective
surfacing, install metal flange and associated M60
RubrPoly sheets beneath the mineral cap
n
Sheet metal gravel stop adhered in M300
RubrMastic. Prime flange with M400 RubrPrime
before installing M60 RubrPoly sheets
Thermal insulation
Roof deck
One M60 RubrPoly sheet extended
below blocking
Side View
Continuous cleat
Sheet metal gravel stop, installed in M300
RubrMastic. Prime flange with M400
RubrPrime before installing M60 RubrPoly
flashing sheets
Notes
Fasteners 3” oc staggered
1. Rigid metal flanges are prohibited from being
installed between the roofing sheets. See “Raised
Metal Roof Edge Detail FD17” for perimeter
construction.
3. Attach treated wood nailer to the wall with
suitable fasteners.
4. Wood blocking shall be slotted for venting wet
filled decks.
5. Frequent nailing of sheet metal flange is required
to minimize thermal movement.
2. This detail shall be installed only where the deck
is supported by the outside wall.
When installing a mineral sheet as the
surfacing, install metal flange and associated
M60 RubrPoly flashing sheets beneath the
mineral cap
Tapered coverboard
insulation edge
Thermal insulation
Roof deck
One M60 RubrPoly sheet below the
blocking
Continuous cleat
FD19 Post Supported Roof Deck Flashing Detail
Continuous through wall flashing installed by others
Weep holes installed by others
Tooled polyurethane sealant installed by others
Fasteners 24” oc
Sheet metal reglet
Lap 3” with bead of sealant
Lap 3” at joints
Secure & adhere M60 RubrPoly sheet closure to wall
2” wide clip 30” oc
M60 RubrPoly flashing sheets extended
Fasteners 8” oc
Fields roof membrane sheets extended a min of 2” above top of cant
Flexible vapor retarder with compressible insulation
M60 RubrPoly flashing sheets extended to a min height of 8”: Cover
top of flashing sheets with M60 RubrPoly vapor retarder
Treated wood cant to brace curb
Side View
Thermal insulation
Roof deck
Sheet metal reglet
Fasteners 24” oc
Secure & adhere M60 RubrPoly sheet closure to wall
Notes
Fasteners 8” oc
1. This detail should be installed where there is any
possibility that differential movement will occur
between the deck and a vertical surface. The wood
members should not be fastened to the wall.
2. The joints in the sheet metal counterflashing
shall not be soldered.
fasteners.
above top of cant
height of 8”: Cover top of flashing sheets with M60
RubrPoly vapor retarder
Thermal insulation
Roof deck
Install treated wood cant to brace curb
4. This detail is not for use with lightweight fills.
Flexible vapor retarder with compressible insulation
FD20 Wall Supported Roof Deck Flashing Detail
Weep holes installed by others
Fasteners 24” oc
Sheet metal reglet
Lap 3” with bead of sealant
Lap 3” at joints
Seal top of flashing with a 3 layer application: 2 layers of M300
RubrMastic and 1 layer of P74 PolyWeb
Fasteners 8” oc
Prime masonry with M400 RubrPrime
M60 RubrPoly flashing sheets extended to a min height of 8”
Thermal insulation
Side View
Roof deck
Fasten treated wood cant to nailers
Sheet metal reglet
Fasteners 24” oc
Seal top of flashing with a 3 layer application: 2 layers
of M300 RubrMastic and 1 layer of P74 PolyWeb
Fasteners 8” oc
2” wide clip approx. 30” oc
Notes
Fields roof membrane sheets extended a min of 2” above top
of cant
1. This detail shall be installed where the deck is
supported by the wall.
2. The joints in the sheet metal counterflashing
shall not be soldered.
3. A fiber cant may be adhered in ambient or hot
asphalt in place of wood cants.
Thermal insulation
Roof deck
Wood cant to nailers
FD21 Concrete Wall Counterflashing Detail
Exposed smooth concrete surface shall be
waterproofed by others
Sealant at wall joints installed by others shall be
compatible with counterflashing sealant
Apply polyurethane sealant & tool to facilitate water run off
Expanding shank fasteners a min of 12” oc depending upon wind
zone & local conditions
Lap 3” at joints
Sheet metal counterflashing
Compressible elastomeric tape to span irregularities
2” wide clip a min of 30” oc
Seal top of flashing with a 3 layer application: 2 layers of M300
RubrMastic and 1 layer of P74 PolyWeb
Prime concrete with M400 RubrPrime above wood nailer and
below top of counterflashing
Fasteners 8” oc
Bevel cut top of wood curb to drain
Fasten wood cant to nailers
Side View
Thermal insulation
Roof deck
Wood nailers
Exposed smooth concrete surface shall be waterproofed
by others
Apply polyurethane sealant & tool to facilitate water
run off
Expanding shank fasteners a min of 12” oc, depending
upon wind zone & local conditions
Compressible elastomeric tape to span irregularities
Seal top of flashing with a 3 layer application: 2 layers of
M300 RubrMastic and 1 layer of P74 PolyWeb
Sheet metal counterflashing
Notes
Fasteners 8” oc
1. This detail shall be installed where the deck
is supported by the wall.
2” wide clip approx. 30” oc
2. Attach the treated wood nailer to the deck
3. A fiber cant may be adhered in ambient or
hot asphalt in place of wood cants.
above top of cant
Thermal insulation
Roof deck
4. Counterflashing detail shall be a 2 piece
reglet and counterflashing.
Fastened wood cant to nailers
Bevel cut top of wood curb to drain
FD22 Metal Wall Cap Flashing Detail
f
ho
ngt ap
e
l
ch
lc
r ea meta
o
f
t
x
ma shee
12’ rapet
pa
Sheet metal joint cover plate min 6”
wide set in 2 beads of sealant
.5” gap
Sheet metal parapet cap
High domed, capped, & gasketed fasteners 18” oc, depending on wind zone and local conditions
Continuous membrane liner
Extend M60 RubrPoly flashing sheets
Seal top of flashing with a 3 layer application: 2 layers of
M300 RubrMastic and 1 layer of P74 PolyWeb
Install fasteners 8” oc
Install continuous beveled cedar siding tapered shim
Install treated wood nailers
Prime concrete with M400 RubrPrime
Extend Fields roof membrane sheets a min of 2” above top
of cant
Install M60 RubrPoly flashing sheets
between 8” min to 14” max height
Thermal insulation
Wood cant fastened to nailers
Side View
Roof deck
Sheet metal parapet cap
1/2” gap
Continuous membrane liner
Continuous beveled cedar siding tapered shim
Notes
1. This detail shall be installed when the roof deck
is supported by the wall. See “Post Supported
Roof Deck Flashing Detail FD19”.
fasteners.
High domed, capped, & gasketed fasteners 18” oc
depending on wind zone and local conditions
Fasteners 8” oc
above top of cant
Thermal insulation
Roof deck
3. A fiber cant may be adhered in ambient or hot
asphalt in place of wood cants.
Wood cant fastened to nailers
Continuous cleat

Roof Flashing Details Index

Transcription

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