JOIST MOUNT
ADJUSTABLE JOIST Pre-formed, adjustable joists that provide a level sub structure ready to fix the decking of your choice
A rubber joist mount specifically designed to provide drainage and support floor joists over membrane decking or concrete floors
Manufactured from treated 3.2 LVL timber to Simple, cost-effective, easy-to-install avoid warping and twisting Engineered “fit for purpose” Comes pre-drilled, ready to fit with DECK Ideal for DECK CHAIR adjustable joists. CHAIR joist mounts Can be fitted to other timber or steel joists at Quick and simple installation saves time and a spacing of 450mm max. centres. money, delivers a perfect result every time Ideal for timber joists on elevated concrete Comes in 1200mm module lengths that decks or concrete balconies. See fig. 2 connect together
The DECK CHAIR system is not: An expensive aluminum substructure An expensive adjustable thread-type mount An expensive cradle to support unstable timber
1.5˚ D
ECK S
TY
PE
12 00
LOP E
OVE R
4.8m
A
T 12 YPE 00
B
12 00
TY
PE
C
USING THE
* Photograph smaller than actual size. Base Ø 85mm
T
YP 12 00 E
Drill a 13 mm hole, 12mm deep into the bottom of the joist. Glue the DECK CHAIR joist mount in place with Holdfast Carbond 940 FC
D
2˚ DE CK S
LOP E
TY
12 00
PE
OVE R
4.8m
A
TY
PE 12 00
B
TY
12 00
PE
To allow for the increased slope, each set of 1200mm DECK CHAIR adjustable joist modules are opened wider. The last module can be cut to required length to which the the boundary bracing support joist can then be affixed. (See installation specs over.)
C
Ply connecting plate (flitch)
TY
PE 12 00
D+
45 x 75mm H3.2 timber runner
© Copyright 2015 Deckchair Systems Ltd
INSTALLATION - (FOR FULL INSTRUCTIONS, SEE INSTALLATION GUIDES)
6 Place spirit level on top face, lift and adjust top flange to level to match first row of joists. 7 Repeat step 3.
4 Repeat Type A at 450mm max. centres along the face of the building.
TYPE
TYPE
C
195
45
12 Where the end of the DECK CHAIR adjustable joists will be visible, continue decking vertical face. Refer DETAIL 2
135
175
130
TYPE
B
115
A
85
TYPE
10 Trim last joist to suit width of deck. Provide nogging where required to provide lateral stability prior to decking being screwed on.
8 Repeat steps 5 & 6 as many times as necessary using Type C, D and D+ as required.
D
215
3 Screw off at 200mm centres. (Use 8g x 40mm stainless wood screw.)
155
2 Place spirit level on top face and adjust top flange to level.
11 Last joist can be supported on metal angle attached to solid balustrade where required over an internal gutter. Ensure fixings are 150mm above deck and do not penetrate membrane upstand. Refer DETAIL 1
9 Where runners are needed (Type D+), support runners on DECK CHAIR joist mounts at 450mm max. centres aligning with joists above. Runner spacing to be at 400mm max. centres
5 Position second joist (Type B) abutting end of first joist.
1 Position first joist (Type A) 12mm clear of cladding/ joinery.
45 45 45
1.5˚ DECK SLOPE OVER 4.8m 3
1200
TYPE
4
1200
TYPE
B
TYPE
C
163
2˚ DECK SLOPE OVER 4.8m 12
3
1200
D
3
1200
TYPE
A
3
1200
TYPE
B
1200
TYPE
C
D+
150 150
150
226
130
184
142
268
TYPE
1200
232
A
131
TYPE
4
1200
194
12
150 150
150 150
Ply connecting plates (flitches) provided 45 x 75mm H3.2 timber runner DETAIL 1: Internal gutter
12
DETAIL 2: Exposed edge
150mm min
50x50ea
© Copyright 2015 Deckchair Systems Ltd
For technical support call LESTER - 021 969 905 • GLENN - 0275 866 712 •
[email protected] • www.deckchairsystems.com
