BGC Fibre Cement · BGCFibre Cement 1:25 @ A4 DATE SCALE DETAIL NO. PROFILE DETAIL 6WUDWXP )L[LQJ 6HWRXW %*& 6WUDWXP DQG 6WUDWXP 'XR ST-02 800mm 800mm 600mm 600mm 600mm 30 x 1.6mm

Jan 2014

Batten fixing

points

800m

m M

ax. N

og spacing

600mm stud crs

50m

m

BGC Stratum™ Batten Fixing setout

Note:

No horizontal Structural timber

Cavity battens required at nogs

300m

m

All intermediate

battens to be

50x20mm structural

timber. Refer to fixing

specification

Polypropylene tape

at 300mm crs fixed

horizontally and

drawn taut

BGC Vermin proof

vent strip or similar

Horizontal Structural Timber

Cavity Batten 50x20mm H3.1

Structural SG8 Timber Cavity Batten (50x20mm for

butt joint, 70x20mm for express joint) H3.1, fixed

over Durabarrier™ or approved breather type

building underlay & framing with 65x2.8mm

RounDrive ring shank galv nails or 60x2.8mm Galv

Jolt Head nails at 300mm centres staggered 12mm

either side of centre line

GCB Fibre Cement

1:25 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Batten Fixing Setout

BGC Stratum™ and Stratum™ Duo

ST-01

800m

m800m

m

600mm 600mm 600mm

Plank joint

Plank

overhang

50m

m

Jan 2014

800m

m M

ax. N

og spacing

75m

m

600mm stud crs

50m

m

Plank

overhang

BGC Vermin proof

vent strip or similar.

Ensure tight fit

between battens

BGC Stratum™ Fixing setout

Typical

Note:

Polypropylene tape

omitted for clarity

3mm max gap butt joint OR

16mm max gap express joint

12mm12mm

All intermediate

battens to be

50x20mm structural

timber. Refer to fixing

specification

Structural SG8 Timber Cavity Batten (50x20mm for

butt joint, 70x20mm for express joint) H3.1, fixed

over Durabarrier™ or approved breather type

building underlay & framing with 65x2.8mm

RounDrive ring shank galv nails or 60x2.8mm Galv

Jolt Head nails at 300mm centres staggered 12mm


Stratum Fixing options:

30 x 1.6mm C Series Stainless steel brad

GCB Fibre Cement

1:25 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Stratum™ Fixing Setout


ST-02

800m

m800m

m

600mm 600mm 600mm

30 x 1.6mm C Series

Stainless Steel Brad

concealed fix to each

stud

30 x 1.6mm C Series


face fixed fix to each

stud 50mm from base

of board.

50m

m

50m

m

ST-03

Cavity Batten Note:

Refer to cavity batten

layout for batten sizes,

types, spacing's & fixings

Durabarrier™ or

approved breather

type building

underlay

65x2.8mm Roundrive ring

shank nail at 300mm centres

staggered 12mm ether side of

centre line

stud

H3.1 treated SG8 timber cavity batten

BGC Stratum™ with all cut

edges sealed with BGC edge

sealer or similar before fixing

30x1.6mm C Series Stainless

Steel Brad

Cladding fixing note:

Refer to cladding fixing

layout for all fixing types

& spacing's

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

DETAIL

BGC Stratum™ and Stratum™ DuoPROFILE

Intermediate Stud Fixing Cavity

Construction

Stratum™ adhered to

batten with cont.

6mm bead of Bostik

seal 'N' Flex FC

Jan 2014

Jan 2014

stud

65x2.8mm Roundrive ring shank

galv nail at 300mm centres.

Fixings to be staggered 12mm


50x20mm vertical timber cavity

batten. H3.1 treated SG8 timber




Cavity Batten Note:





Steel Brad

12mm

12mm

3mm max gap.

Stratum™ adhered

to batten with cont.

6mm bead of Bostik

Seal 'N' Flex FC to each

plank

Durabarrier™ or

approved breather

type building underlay




& spacing's

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Vertical Joint Cavity Construction


ST-04

Bostik Seal 'N' Flex

FC

Jan 2014

stud


galv nail at 300mm centres.

Fixings to be staggered 12mm


70x20mm vertical timber cavity





Cavity Batten Note:




12mm

12mm

Stratum™ adhered

to batten with cont.

6mm bead of Bostik

Seal 'N' Flex FC to each

plank

Durabarrier™ or

approved breather





& spacing's

16mm max gap.


Steel Brad

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Alternative Express Vertical Joint Cavity

Construction


ST-05

2-3mm of Bostik

Safe Seal.

Jan 2014

Cavity Batten Note:




Timber framing




65x2.8mm Roundrive ring shank nail at

300mm centres staggered 12mm either

side of centre line


50




& spacing's

Durabarrier™ or approved

breather type building underlay


Steel Brad

~ 20° to 45° cut to batten ends to

ensure that moisture runs to

exterior.

~ Prime the cut ends with dulux

Acraprime 501 /1 acrylic sealer or

Resene Quick Dry.

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Joining of Structural Cavity Batten


ST-06

50

15

50

Jan 2014

Cavity Batten Note:

Refer to cavity batten layout

for batten sizes, types,

spacing's & fixings.

Timber framing


shank nail.





GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Horizontal Joint


ST-07




Steel Brad

Express joints only - vertical 6mm

bead of Bostik Seal 'N' Flex FC in

laps at board ends

15m

m

50m

m

Jan 2014

H3.1 treated timber SG8 cavity batten

35

Flexible flashing tape or building underlay

lapped over flashing upstand.

Continuous Vent strip or similar set to

give 15mm min drip edge to cladding.

35

min cover

min cover

Aluminium inter-storey "Z"

flashing with 15° slope.


shank galv nail at 300mm

centres


breather type building underlay.

Mid floor structure

Mid floor flooring - finish

10mm back from external

wall framing.

Note: Drained joints must be used to limit

cavities to maximum 2 stories or 7m in height

in accordance with NZBC acceptable solution

E2/AS1 Paragraph 9.1.9.4

Cavity Batten Note:




Stratum™ adhered to batten with

cont. 6mm bead of Bostik Seal 'N'

Flex FC (not shown for clarity).

BGC Stratum™ with all cut sheet

edges sealed before fixing.

5

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Interstorey Drainage Detail

Cavity Construction


ST-08


Steel Brad




& spacing's

Jan 2014

100m

m m

in to perm

anent

paving or 175m

m m

in to

unprotected ground

Apply cont. 6mm bead of Bostik

Seal 'N' Flex FC adhesive sealant

(not shown for clarity).

Timber Bottom plate

on D.P.C.

H3.1 treated SG8

timber cavity batten

BGC Vermin proof


Concrete Slab or

block work

Finished ground

level.

15

50m

in

Cavity Batten Note:





breather type building

underlay






& spacing's


Steel Brad

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Foundation Detail

Cavity Construction


ST-09

Jan 2014

100m

m m

in

Timber Bottom plate

on D.P.C. (concrete

floor only)

Enclosed deck

structure

BGC Vermin proof


mem

brane upstand

Floor structure

150 m

m

Waterproof decking

membrane to carry up

behind building underlay

past wall framing bottom

plate.

H3.1 treated SG8


Corner

fillet



underlay

Cavity Batten Note:






GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Enclosed Deck Detail

Cavity Construction


ST-10


Steel Brad

50m

m m

in

50m

m




& spacing's

15

Jan 2014

Cavity Batten Note:




GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Internal Corner Aluminium Trim

Cavity Construction


ST-11

H3.1 treated SG8 timber cavity


galv nail at 300mm centres

staggered 12mm either side of

centre line

Timber framing as indicated


edges sealed before fixing

Stratum™ adhered to flashing

with cont. 6mm bead of Bostik

Seal 'N' Flex FC

BGC Internal Aluminium

Corner flashing



Seal 'N' Flex FC



continuous around corner

10mm min


Steel Brad

batten

Jan 2014

Cavity Batten Note:




GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Internal Corner Mitre

Cavity Construction


ST-12

H3.1 treated SG8 timber cavity


shank galv nail.






Seal 'N' Flex FC



Seal 'N' Flex FC



continuous around corner

10mm min

Note:

Join mitre cut boards with

Bostik Seal n Flex FC.

Push hard together and cut

off excess once cured


Steel Brad

Join mitre cut boards with Bostik

Seal 'N' Flex FC. Cut off excess

once sealant has cured

90x90 0.7 galv or PVC flashing

(100mm wide each side)

batten

Jan 2014

Cavity Batten Note:




Durabarrier™ or

approved breather type

building underlay

continuous around

corner

Timber framing.


flashing with cont.

6mm bead of Bostik

Seal 'N' Flex FC


shank galv nail.






Seal 'N' Flex FC

BGC External Aluminium

Corner flashing

10m

m m

in

GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

External Corner Aluminium Trim

Cavity Construction


ST-13

30x1.6mm C Series


Jan 2014

Cavity Batten Note:




GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

External Corner Mitre

Cavity Construction


ST-14

Durabarrier™ or

approved breather


continuous around

corner

Timber framing.


shank galv nail.




10m

m m

in



Seal 'N' Flex FC

90x90 0.7 Galv or PVC flashing



flashing with cont.

6mm bead of Bostik

Seal 'N' Flex FC

Join mitre cut boards with Bostik

Seal 'N' Flex FC. Cut off excess

once sealant has cured

Note:

Join mitre cut boards with

Bostik Seal n Flex FC.

Push hard together and cut

off excess once cured

30x1.6mm C Series


30x1.6mm C Series


Jan 2014

H3.1 treated timber

cavity batten.

35mm min flashing

cover.

Air seal over

backing rod.



sealer or similar before fixing.

Apply cont. 6mm bead of Bostik



BGC Vermin proof


Additional layer of flexible

flashing tape or building underlay

lapped over head flashing.

PC Aluminium window

joinery.

PC Aluminium head flashing

with 15° fall with stop ends.

Temporary timber

packer removed

after fixing.

Timber framing.

Cavity Batten Note:




35m

m m

in

7.5m

m m

in

10m

m m

in

15m

m m

in

5m

m gap

Note where Durabarrier™ is used

flashing tape must be applied to the

entire opening

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Head Detail

Cavity Construction


ST-15

Durabarrier™ or approved breather

type building underlay flexible

flashing tape to opening corners.




& spacing's

For wind exposures Very High and

above, sealant to be installed

between underside of head flashing

and top edge of window head flange

Jan 2014

20mm Min overhang of

head flashing.

Line of head flashing over.

H3.1 timber packer.

Air seal over backing rod.

7.5mm Min.

Aluminium window joinery.

H3.1 treated timber cavity batten

Cover

BGC Stratum™

with all cut sheet

edges sealed

before fixing.

Durabarrier™ or

approved breather


Note. Where Durabarrier™ is used


entire opening




10mm Min cover to Stratum™ by

aluminium window joinery.

BGC J flashing

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Jamb Detail

Cavity Construction


ST-16

Timber framing.

Foam seal tightly

finished against J

flashing

Durabarrier™ or building underlay and

flexible flashing tape. Flexible flashing

tape to be continuous along sill, 100mm

min. up each jamb and 50mm onto face

of building underlay.

Cavity Batten Note:







& spacing's

10mm min20mm

Jan 2014


H3.1 timber packer.

Air seal over

backing rod.

7.5mm Min.

Durabarrier™ or building underlay and flexible

flashing tape. Flexible flashing tape to be

continuous along sill, 100mm min. up each jamb

and 50mm onto face of building underlay.


Sill support bar.




type building underlay.



entire opening


aluminium window joinery.

Stratum™ adhered to batten with cont. 6mm

bead of Bostik Seal 'N' Flex FC (not shown for

clarity).

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Sill Detail

Cavity Construction


ST-17

Cavity Batten Note:







& spacing's

Compressible foam seal tightly finished against

cladding or Bostik Seal 'N' Flex sealant.

Jan 2014

Flashing tape over wall

underlay fitted around

corner as shown

H3.1 treated SG8 timber

cavity batten.




Flashing tape over

flashing (alternatively

use extra layer of wall

underlay)

Timber lintel

BGC Vermin proof


Head flashing with 15° min

slope 5mm min gap below

Stratum™

Cut head flashing to

continue past window

opening

Timber framing.

H3.1 treated

SG8 timber cavity

batten.

Cavity Batten Note:






entire opening

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Head/Jamb Junction Detail

Cavity Construction


ST-18




& spacing's



flexible flashing tape to corners.

Fold ends of head flashing

to form stop ends

Jan 2014

Flashing tape over wall

underlay full width of

opening


cavity batten.






underlay

H3.1 treated SG8

timber cavity batten.

Cavity Batten Note:




50m

m m

in lap

5

0

m

m

m

i

n

l

a

p



entire opening

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Sill/Jamb Junction Detail

Cavity Construction


ST-19




& spacing's

Window support bar

100m

m m

in lap

Jan 2014

H3.1 treated SG8


Polythene bond breaker

tape.

Nog - offset to

block airflow into

roof space.

Timber framing.

H3.1 treated timber

packer -continuous.

Durasheet™ soffit lining

on H1.2 framing.



underlay.

BGC Stratum™

with all cut sheet edges

sealed before fixing.

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Soffit Detail

Cavity Construction


ST-20

12 m

m

8m

m

Bostik Safe Seal or

similar BRANZ appraised

sealant over bond

breaker

30x1.6mm C Series


Cavity Batten Note:







& spacing's

H3.1 treated SG8


Nog - offset to

block airflow into

roof space.

Timber framing.

H3.1 treated timber

packer -continuous.

Durasheet™ soffit lining

on H1.2 framing.



underlay.

BGC Stratum™

with all cut sheet edges

sealed before fixing.

12 m

m

H3.2 timber scotia

30x1.6mm C Series


Sealant option

Scotia option

Jan 2014

50mm

H3.2 timber fascia of width to suit

spouting brackets and falls by others

Spouting

Eaves flashing by roofer as required in

accordance with NZBC Acceptable Solution

E2/AS1 Fig 45

Min overhang of roofing beyond fascia

Roofing underlay draining into spouting

Solid blocking

Internal linings

Ensure that

Stratum™ projects

above top of fascia

Ensure that Stratum™

projects above top of

fascia

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Eaves With No Soffit Detail

Cavity Construction


ST-21



Cavity Batten Note:







& spacing's

15m

m


breather type wall underlay

Jan 2014

35mm Min upstand

to head flashing

Colorsteel head

flashing with 15° fall

& 20mm stop ends

20mm vertical timber cavity


Wall underlay dressed into

opening with flexible flashing

tape to corners

Flashing tape lapped over head

flashing

Timber framing

BGC Continuous vent strip

Meter box by others

15mm Min overhang

5mm Min gap

10mm Min flashing cover

35

Air seal over PEF rod

H3.1 timber packer

7.5mm Min.

10

5

15

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Meter Box Head Detail

Cavity Construction


ST-22



Cavity Batten Note:







& spacing's



entire opening

Jamb sealant to extend

to top of continuous

meter box angle

Metal angle. Angle to

be continuous around

meter box. Screw fix

and seal.

Jan 2014

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Meter Box Jamb Detail

Cavity Construction


ST-23

10 min cover

Timber framing

Wall underlay dressed

into opening with flexible

flashing tape to corners


batten. H3.1 treated SG8

timber


H3.1 timber packer

7.5mm Min.

Line of head flashing over

Meter box by others

Metal angle. Angle to

be continuous around

meter box. Screw fix

and seal.

Continuous sealant over bond

breaker to extend up to top of angle



Cavity Batten Note:







& spacing's



entire opening

Optional 40 x 18mm

H3.2 precut timber

scriber

20 mm

Head flashing to extend 20mm

past meter box angle

Jan 2014

7.5mm Min.

10 M

in.


H3.1 Timber packer

Meter box by others

Aluminium angle. Angle to be

continuous around meter box.

Screw fix and seal.

Continuous silicone sealant

over bond breaker

10mm Min cover of

weatherboards to metal angle

fixing

Continue wall underlay

around framing

Wall underlay and flexible

flashing tape



GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Meter Box Sill Detail

Cavity Construction


ST-24



Cavity Batten Note:







& spacing's



entire opening



15m

m

Jan 2014

Cavity Batten Note:




Timber framing

Durabarrier™ or

approved breather


H3.1 treated SG8


Saddle flashing

behind cladding

Corner flashing

behind saddle flashing

and cladding

Two lines of sealant to

capping and flashing

BGC Stratum™ with

all cut edges sealed

with BGC edge sealer

or similar before fixing.

BGC Stratum™ with

all cut edges sealed

with BGC edge sealer

or similar before fixing.

Lower edge of cladding

Rivet through sealant

Capping flashing

Timber framing

Durabarrier™ or

approved breather


Battens behind

saddle flashing

and corner flashing

Flashing tape to separate

metal capping and

treated timber packer

1

0

0

m

m

m

i

n

50mm min

5° min

slope

5

0

m

m

m

i

n

Two lines of

sealant to

capping and

flashing

SADDLE FLASHING

Flexible flashing tape

dressed min. 50mm down

face of battens

Flexible flashing tape

dressed up and securely

adhered to building

underlay at rear of cavity

Timber framing

Cavity battens positioned

to form clear channel

between sloped timber

capping and batten

Sloped packer to

extend across cavity

at wall junction

Flashing tape continuous

around corner over building

underlay (100mm wide

each side)

5° min

slope

FLEXIBLE FLASHING INSTALLATION

H3.1 treated timber

cavity batten set 40mm

back for corner



GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Enclosed Balustrade-Wall Junction 3D

Detail Cavity Construction


ST-25

Jan 2014

Metal flashing with 5° slope on

flashing tape or roof underlay

to separate metal capping and

treated timber packer. Fix

through sides only.

Metal flashing to have birds

beak fold if used as inside

face for enclosed desks



H3.1 timber framing.



Flashing tape continuous around

top of framing over building underlay

Sloping H3.1 treated

timber packer to form min

5° slope.




cavity batten

Cavity Batten Note:




Z

Z

Note:

Z = Refer to NZBC E2 / AS1 Table 7 for flashing cover requirements

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Enclosed Balustrade/Parapet Detail

Cavity Construction


ST-26




& spacing's

40 x 2.8mm Fibre Cement Nail

15m

m

Jan 2014





90x90 0.7mm galv flashing



Seal 'N' Flex FC

Flashing tape continuous

around corner over

building underlay (100mm

wide each side)


shank galv nail.



position 40mm from corner

Line of sloping H3.1 treated

packer above shown dashed

Cavity Batten Note:




40mm min

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Enclosed Balustrade-Wall Junction Detail

Cavity Construction


ST-27




& spacing's

30x1.6mm C Series Stainless Steel Brad

40 mm min 40 mm min

150mm min to face of window

or door jamb stud

Jan 2014

f

a

l

l

External gutter to

be kept 10mm

clear of cladding

Parallel apron flashing

formed with stop end to

deflect water into gutter

Parallel apron flashing to

extend over two crests







cavity batten.

Cavity Batten Note:




GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Gutter to Wall Junction

Cavity Construction


ST-28

Flexible flashing tape lapped over

apron flashing upstand

Transition tray flashing

to underside of roofing

in accordance with

NZBC E2/AS1

Fascia with transition

tray flashing

Jan 2014

Support nog

Underlay carried up

face of framing

behind upstand

flashing

Timber framing

35m

m

min

5mm gap max for notched

downturn

BGC Continuous vent strip

110mm upstand flashing

with 10mm hem & cover of

two crests

110m

m

75m

m

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Parallel Apron Flashing Detail

Cavity Construction


ST-29



Note:

x = Refer to NZBC E2 / AS1 Table for

flashing cover requirements

Cavity Batten Note:







& spacing's

x

15m

m



underlay or flexible flashing

tape lapped over apron

flashing

Jan 2014

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Transverse Apron Flashing Detail

Cavity Construction


ST-30

x

Support nog

Timber Framing.

Underlay carried up face of

framing behind upstand flashing.



125

35

15

Continuous vent strip

Apron flashing 125mm upstand

flashing with hem.

Roof framing.

min

Note:

x = Refer to NZBC E2 / AS1 Table for

flashing cover requirements

Selected roofing material with

upturn

Cavity Batten Note:







& spacing's

75



underlay or flexible flashing

tape lapped over apron

flashing

Solid backing around pipe

penetration

Air seal all round

Wall underlay

Pipe with 5° slope


batten. H3.1 treated timber

Sealant with backing rod

Where possible, provide

outwards fall to pipework for

water run-off

Air seal all round

Wall underlay

Flexible flashing tape adhering around

pipe and onto building underlay (100mm

lap to underlay and 25mm to pipe)

Flange to protect sealant from exposure

to sunlight


batten. H3.1 treated SG8

timber

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Pipe Penetration Detail

Cavity Construction


ST-31



Cavity Batten Note:







& spacing's

Jan 2014

ST-32 Omitted

GCB Fibre Cement

1:2 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

External Boxed Corner -

Cavity Construction


ST-33

May 2019

Cavity Batten Note:




Durabarrier™ or approved breather type

building underlay continuous around

corner

Timber framing.


shank galv nail.

H3.1 treated vertical timber cavity batten



19

90

109

19

Corner trim nail fixed.

Trim to be either

NuLine Weatherboard

cut to suit or timber

50 x 10g SS CSK Wood

Screw @ 300 ctrs

H3.1 Timber Scriber cut to

profile of weather boards

90x90 0.7 Galv or PVC flashing


Stratum adhered to flashing with

continue 6mm brad of

Bostik Seal 'N' Flex FC


Join miter cut boards with Bostik Seal 'N' Flex FC.

Cut off excess once sealant has cured

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Head Detail - Facing

Cavity Construction


ST-34

May 2019

Cavity Batten Note:




35

7.5



entire opening




& spacing's




Apply continue 6mm bead of Bostik




type building underlay flexible

flashing tape to opening corners.

H3.1 treated timber cavity batten.

Timber framing.

Temporary timber packer

removed after fixing.

Air seal over PEF backing rod.

PC Aluminium window joinery.

PC Aluminium head flashing

with 15° fall with stop ends.

BGC Vermin proof


Additional layer of flexible flashing

tape or building underlay lapped

over head flashing.

Selected facing to suit.

Timber blocking to suit.


10

5

15

15mm Min overhang

5mm Min gap


70mm H3.1 timber packer

trimmed to suit

7.5mm Min


GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Jamb Detail - Facing

Cavity Construction


ST-35

May 2019

BGC Stratum™ with all

cut sheet edges sealed

before fixing.



entire opening




Foam seal tightly

finished against J

flashing

Durabarrier™ or building underlay and

flexible flashing tape. Flexible flashing

tape to be continuous along sill, 100mm

min. up each jamb and 50mm onto face

of building underlay.

Cavity Batten Note:







& spacing's

10

20


H3.1 timber packer.

H3.1 timber cavity packer.


BGC J flashing.

Line of head flashing over.


aluminium window joinery. 10mm

cover to window joinery by facing.

20mm min overhang of head flashing.

Timber framing.




batten(s) H3.1 treated timber

H3.1 timber BGC precut scriber

Selected facing to suit - fixed at 400

CTRS (staggered)

Selected timber packer to suit

65x2.8mm Roundrive ring shank galv nail.

H3.1 timber packer.


7.5mm Min.

Durabarrier™ or building underlay and flexible

flashing tape. Flexible flashing tape to be

continuous along sill, 100mm min. up each jamb

and 50mm onto face of building underlay.


Sill support bar.





underlay.



entire opening

8mm Min cover to Stratum™ by aluminium

window joinery.

Stratum™ adhered to batten with cont. 6mm

bead of Bostik Seal 'N' Flex FC (not shown for

clarity).

GCB Fibre Cement

1:5 @ A4

DATE

SCALE

DETAIL NO.

PROFILE

DETAIL

Window Sill Detail - Facing

Cavity Construction


ST-36

Cavity Batten Note:







& spacing's

Compressible foam seal tightly finished against

cladding or Bostik Seal 'N' Flex sealant.

May 2019


Jamb Facings

Sill facing to suit, fixed at 400mm crs (staggered)

Sill facing 15° slope

65x2.8mm Roundrive

ring shank galv nail.

Documents

BGC Fibre Cement · BGCFibre Cement 1:25 @ A4 DATE SCALE DETAIL NO. PROFILE DETAIL 6WUDWXP )L[LQJ 6HWRXW %*& 6WUDWXP DQG 6WUDWXP 'XR ST-02 800mm 800mm 600mm 600mm 600mm 30 x 1.6mm