CONSTRUCTION

GUIDELINES
5040

18mm
30 20 10

(11/16”)
mm
Health and Safety:
All installation and maintenance work must be carried out by an Authorized Stiltz Dealer or service technician.

If you have any questions not covered in the Installation Manual, please contact your Authorised Stiltz Dealer or
contact Stiltz directly. Our contact information is outlined at the end of this Installation Manual.

The following health and safety risks should be considered when installing and maintaining a Stiltz Trio homelift.

Manual Handling Falling Hazards Falling Object Risk

Prevent back injury. Work at a safe distance. Workers overhead.

Bend knees to lift. Use barricades. Watch out for falling objects.

Trip Hazard Electrical Hazard Pinch Point

Watch your step. Risk of direct or indirect Keep hands clear of moving parts
electrical contact. which can cause crushing injury.

It is highly recommended that each installer utilises the following personal protective equipment where required.

Eye Protection Ear Protection Hand Protection Foot Protection

2
Disclaimer:

Please note that;

(a) This document is designed to be used as a guide only. You

should seek independent engineering or construction advice
to determine that the desired and/or proposed alterations
to a home are suitable to the specific existing structure.

(b) All building/construction work must be carried out by a

licensed contractor where required by code or law.

3
4
Table of Contents
SECTION 1:
Aperture Preparation in a Wooden Floor...................................7

SECTION 2:
Installing Insert in a Wooden Floor..........................................23

SECTION 3:
Method 1 - Aperture Preparation Poured Concrete Floor.........29

SECTION 4:
Method 1 - Installing Insert in a Concrete Floor.......................39

SECTION 5:
Method 2 - Aperture Preparation Poured Concrete Floor.........45

SECTION 6:
Method 2 - Installing Insert in a Concrete Floor ......................53

SECTION 7:
Installation in a Shaft...............................................................59

5
 !
DANGER
Asbestos

IF, ON SURVEYING THE

PROPERTY, THERE IS
ANY INDICATION OF THE
PRESENCE OF ASBESTO
STOP STOP IMMEDIATELY AND STOP
REPORT TO THE ASBESTOS
SPECIALIST TEAM
SECTION 1: Aperture Preparation in a Wooden Floor

Agree position of lift with customer..................................................................................8

Support ceiling with Acrow props.....................................................................................8
Roll carpet back.................................................................................................................9
Lift floorboards and inspect for pipes and/or cables........................................................9
Position and mark using insert as template....................................................................10
Cut pipes, cables and joists.............................................................................................10
Double up joists...............................................................................................................11
Frame build dimensions - Duo Classic.............................................................................11
Frame build dimensions - Trio Classic..............................................................................12
Frame build dimensions - Duo+ and Duo Alta.................................................................12
Frame build dimensions - Trio+ and Trio Alta..................................................................13
Frame build dimensions..................................................................................................13
Frame build dimensions..................................................................................................14
Build frame......................................................................................................................14
Build frame......................................................................................................................15
Re-routing pipes and cables around frame.....................................................................15
Cut aperture through ceiling ......................................................................................16
Re-lay floor boards...........................................................................................................16
Drill pilot holes from below.............................................................................................17
Position insert on pilot holes and draw round insert......................................................17
Add 30mm (1 3/16”) to perimeter, excl. guide rail profile ‘ears’......................................18
Cut out aperture..............................................................................................................18
Check that insert fits........................................................................................................19
Remove insert and re-lay carpet.....................................................................................19
Stretch and re-fit carpet..................................................................................................20
Feel for edges and cut carpet for aperture.....................................................................20
Remove and retain carpet cut-out..................................................................................21

7
Agree position of lift with customer

Support ceiling with Acrow props

8 SECTION 1: Aperture Preparation in a Wooden Floor

Roll carpet back

Lift floorboards and inspect for pipes and/or cables

SECTION 1: Aperture Preparation in a Wooden Floor 9

Position and mark using insert as template

Cut pipes, cables and joists

Ensure that All Services are

disconnected before the
commencement of any work i.e. water,
electricity, gas and air conditioning.

10 SECTION 1: Aperture Preparation in a Wooden Floor

Double up joists
Preferred Fixings

Only required if
specified by an
engineer.

Only required if
specified by an
‘Double-up’ joists as shown engineer.
(if required). Fix with joist
hangers and coach bolts/
nut, lag bolt and washers.

Frame build dimensions - Duo Classic

45°
TYP
.

Double up Joist if required

Doubled Joists
”)
3
/4
5
(1
m
0m
40
Doubled Joists
800mm (31 1/2”)

45°
1047mm (41 1/4”)
(13 3/4”)
350mm

Double up Joist if required

10°
TYP
.
110mm (4 5/16”)

1047mm (41 1/4”) TYP.

SECTION 1: Aperture Preparation in a Wooden Floor 11

Frame build dimensions - Trio Classic

Double up Joist if required

Doubled Joists

610mm (24”)
45°

1220mm (48 1/32”)

1047mm (41 1/4”)

Doubled Joists
520mm (20 1/2”)

45°

FRONT

Double up Joist if required

1047mm (41 1/4”)

Frame build dimensions - Duo+ and Duo Alta

45°
TYP
.

Double up Joist if required

DuoAlta
Doubled Joists
”)
3
/4
5
(1
m
0m
40
Doubled Joists
810mm (31 7/8”)

45°
1047mm (41 1/4”)
(13 3/4”)
350mm

Double up Joist if required

10°
TYP
.
110mm (4 5/16”)

1047mm (41 1/4”) TYP.

12 SECTION 1: Aperture Preparation in a Wooden Floor

Frame build dimensions - Trio+ and Trio Alta

Double up Joist if required

170mm

170mm
(6 11/16”)

(6 11/16”)
TrioAlta

Doubled Joists
440mm (17 5/16”)

440mm (17 5/16”)

45°
1280 (50 6/16”)

Doubled Joists 1047mm (41 1/4”)

440mm (17 5/16”)

440mm (17 5/16”)

45°
170mm

170mm
(6 11/16”)

(6 11/16”)
FRONT

Double up Joist if required

1047mm (41 1/4”)

Frame build dimensions

110mm (4 5/16” TYP.

8° TYP.

Double up Joist if required

435mm (1

°
45
7
1 /8”)
Doubled Joists
915mm (36 1/32”)

1047mm (41 1/4”)

Doubled Joists

Double up Joist if required

1047mm (41 1/4”)

SECTION 1: Aperture Preparation in a Wooden Floor 13

Frame build dimensions

Double up Joist if required

Doubled Joists

610mm (24”)
45°

1220mm (48 1/32”)

1047mm (41 1/4”)

Doubled Joists
520mm (20 1/2”)

45°

FRONT

Double up Joist if required

1047mm (41 1/4”)

Build frame
Preferred Fixings

OR

Add in ‘Gap Filler Joist’ if required.

Fix with joist hangers and coach
bolts/nut, lag bolt and washers.

14 SECTION 1: Aperture Preparation in a Wooden Floor

Build frame
Preferred Fixings

Build required frame to

specifications shown on
pages 11 - 14.

Re-routing pipes and cables around frame

SECTION 1: Aperture Preparation in a Wooden Floor 15

Cut aperture through ceiling

25mm (1”)
25mm (1”) 25mm (1”)

25mm (1”) 25mm (1”)

25mm (1”)

!
DANGER
Asbestos

Re-lay floor boards

16 SECTION 1: Aperture Preparation in a Wooden Floor

 Drill pilot holes from below

=
CL
=

CL

Position insert on pilot holes and draw round insert

Pilot CL CL Pilot
hole hole
CL CL

Pilot CL CL Pilot
hole hole
CL CL

SECTION 1: Aperture Preparation in a Wooden Floor 17

Add 30mm (1 3/16”) to perimeter, excl. guide rail profile ‘ears’

25
40 30 20 10
mm

25mm
(1”)

25
10
40 30 20 mm

Cut to black dotted

line using jigsaw.

Cut out aperture

18 SECTION 1: Aperture Preparation in a Wooden Floor

Check that insert fits

�
Remove insert and re-lay carpet

SECTION 1: Aperture Preparation in a Wooden Floor 19

Stretch and re-fit carpet

Feel for edges and cut carpet for aperture

CUT LINE

Keep cut-out to use

as cover for shaft lid.

Cut to ‘CUT LINE’ only.

20 SECTION 1: Aperture Preparation in a Wooden Floor

Remove and retain carpet cut-out

Keep carpet cut-out

to use as cover for
shaft lid.

SECTION 1: Aperture Preparation in a Wooden Floor 21

SECTION 2: Installing Insert in a Wooden Floor

Place insert into aperture................................................................................................24

Check insert is level.........................................................................................................24
Mark insert ready for cutting...........................................................................................25
Cut insert, discard off-cut for recycling...........................................................................25
Install ceiling trim flange.................................................................................................26
Drill and pop rivet ceiling trim flange to floor insert......................................................26
Clamp floor insert and ceiling trim flange.......................................................................27
Fit carpet to shaft lid........................................................................................................27
Place shaft lid into floor insert.........................................................................................28

23
Place insert into aperture

Check insert is level

24 SECTION 2: Installing Insert in a Wooden Floor

Mark insert ready for cutting

Cut insert, discard off-cut for recycling

1 2

4
3

SECTION 2: Installing Insert in a Wooden Floor 25

Install ceiling trim flange

Drill and pop rivet ceiling trim flange to floor insert

26 SECTION 2: Installing Insert in a Wooden Floor

Clamp floor insert and ceiling trim flange

3mm
(1/8”)
OR

Fit carpet to shaft lid

1 2

3 4

SECTION 2: Installing Insert in a Wooden Floor 27

Place shaft lid into floor insert

28 SECTION 2: Installing Insert in a Wooden Floor

SECTION 3:
Method 1 - Aperture Preparation Poured Concrete Floor

Agree position of lift with customer................................................................................30

Support ceiling with Acrow props...................................................................................30
Roll back carpet...............................................................................................................31
Mark 50mm (2”) around insert.......................................................................................31
Core drill perimeter with small core bit..........................................................................32
Core drill and chisel off high points.................................................................................32
Cut out aperture..............................................................................................................33
Install frame into aperture..............................................................................................33
Install frame into aperture..............................................................................................34
Infill corners with 18mm (11/16”) ply.............................................................................34
Remove props and check that insert fits.........................................................................35
Remove insert and re-lay carpet.....................................................................................35
Stretch and re-fit carpet..................................................................................................36
Feel for edges and cut carpet for aperture.....................................................................36
Remove and retain carpet cut-out..................................................................................37

29
Agree position of lift with customer

Support ceiling with Acrow props

100mm (4”) extra

perimeter is
recommended

30 SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor

Roll back carpet

Mark 50mm (2”) around insert

10
m
m
20
30
50 40

mm10
20
30

50mm
40 50

(2”)
m0
1
m
20

mm10
30
0

20
50 4

30
40 50

50mm
(2”)

SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor 31

Core drill perimeter with small core bit

Core drill and chisel off high points

32 SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor

Cut out aperture

Install frame into aperture

5040

18mm
30 20 10

(11/16”)
mm

Build required frame to

specifications shown on
pages 11 - 14.

SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor 33

Install frame into aperture

Build required frame to

specifications shown on
pages 11 - 14.

Infill corners with 18mm (11/16”) ply

18mm
(11/16”)

34 SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor

Remove props and check that insert fits

Remove insert and re-lay carpet

SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor 35

Stretch and re-fit carpet

Feel for edges and cut carpet for aperture

CUT LINE

Keep carpet cut-out to

use as cover for shaft lid.

Cut to ‘CUT LINE’ only.

36 SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor

Remove and retain carpet cut-out

Keep carpet cut-out

to use as cover for
shaft lid.

SECTION 3: Method 1 - Aperture Preparation Poured Concrete Floor 37

38
SECTION 4:
Method 1 - Installing Insert in a Concrete Floor

Place insert into aperture................................................................................................40

Check insert is level.........................................................................................................40
Mark insert ready for cutting...........................................................................................41
Cut insert, discard off-cut for recycling...........................................................................41
Install ceiling trim flange.................................................................................................42
Clamp floor insert and ceiling trim flange.......................................................................42
Fix ceiling trim flange to floor insert...............................................................................43
Fit carpet to shaft lid........................................................................................................43
Place shaft lid into floor insert.........................................................................................44

39
Place insert into aperture

Check insert is level

40 SECTION 4: Method 1 - Installing Insert in a Concrete Floor

Mark insert ready for cutting

Cut insert, discard off-cut for recycling

1 2

4
3

SECTION 4: Method 1 - Installing Insert in a Concrete Floor 41

Install ceiling trim flange

Clamp floor insert and ceiling trim flange

42 SECTION 4: Method 1 - Installing Insert in a Concrete Floor

Fix ceiling trim flange to floor insert

3mm
(1/8”) OR

Fit carpet to shaft lid

1 2

3 4

SECTION 4: Method 1 - Installing Insert in a Concrete Floor 43

Place shaft lid into floor insert

44 SECTION 4: Method 1 - Installing Insert in a Concrete Floor

SECTION 5:
Method 2 - Aperture Preparation Poured Concrete Floor

Agree position of lift with customer................................................................................46

Support ceiling with Acrow props...................................................................................46
Roll back carpet...............................................................................................................47
Mark aperture..................................................................................................................47
Core drill perimeter with small core bit..........................................................................48
Core drill and chisel off high points.................................................................................48
Remove props and check that insert fits.........................................................................49
Re-lay carpet....................................................................................................................49
Stretch and re-fit carpet..................................................................................................50
Feel for edges and cut carpet for aperture ..................................................................50
Remove and retain carpet cut-out..................................................................................51

45
 Agree position of lift with customer

Support ceiling with Acrow props

ethod 2 - Aperture Preparation Poured Concrete Floor

46 SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor

Roll back carpet

Mark aperture

SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor 47

 Core drill perimeter with small core bit

Core drill and chisel off high points

ethod 2 - Aperture Preparation Poured Concrete Floor

48 SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor

Remove props and check that insert fits

Re-lay carpet

SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor 49

 Stretch and re-fit carpet

Feel for edges and cut carpet for aperture

ethod 2 - Aperture Preparation Poured Concrete Floor

CUT LINE

Keep carpet cut-out to

use as cover for shaft lid.

Cut to ‘CUT LINE’ only.

50 SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor

Remove and retain carpet cut-out

Keep carpet cut-out

to use as cover for
shaft lid.

SECTION 5: Method 2 - Aperture Preparation Poured Concrete Floor 51

52
SECTION 6:
Method 2 - Installing Insert in a Concrete Floor

Fit floor insert..................................................................................................................54

Check insert is level.........................................................................................................54
Mark insert ready for cutting...........................................................................................55
Cut insert, discard off-cut for recycling...........................................................................55
Fit floor insert..................................................................................................................56
Install ceiling trim flange.................................................................................................56
Clamp floor insert and ceiling trim flange.......................................................................57
Fix ceiling trim flange to floor insert...............................................................................57
Fit carpet to shaft lid........................................................................................................58
Place shaft lid into floor insert.........................................................................................58

53
Fit floor insert

Check insert is level

54 SECTION 6: Method 2 - Installing Insert in a Concrete Floor

Mark insert ready for cutting

Cut insert, discard off-cut for recycling

1 2

4
3

SECTION 6: Method 2 - Installing Insert in a Concrete Floor 55

Fit floor insert

Install ceiling trim flange

56 SECTION 6: Method 2 - Installing Insert in a Concrete Floor

Clamp floor insert and ceiling trim flange

Fix ceiling trim flange to floor insert

3mm
(1/8”) OR

SECTION 6: Method 2 - Installing Insert in a Concrete Floor 57

Fit carpet to shaft lid
1 2

3 4

Place shaft lid into floor insert

58 SECTION 6: Method 2 - Installing Insert in a Concrete Floor

SECTION 7:
Installation in a Shaft

Marking minimum clearance around lift.........................................................................60

Build 3 walls, insulate and cover with fire retardant plasterboard.................................60
Install guide rails, hoist and lift car..................................................................................61
Build door jamb and frame, insulate and cover with fire retardant plasterboard.........61
Fit fire door and inspection hatch...................................................................................62

59
Marking minimum clearance around lift

Note: Min. 50mm rule applies to all shafts,

more will afford better install access.

50mm (2”) min

50mm 50mm
(2”) min (2”) min

50mm (2”) min

Build 3 walls, insulate and cover with fire retardant plasterboard

DO NOT build front wall until lift

and rails have been installed.

60 SECTION 7: Installation in a Shaft

Install guide rails, hoist and lift car

Build door jamb and frame, insulate and cover with fire retardant plasterboard

SECTION 7: Installation in a Shaft 61

Fit fire door and inspection hatch

62 SECTION 7: Installation in a Shaft

63
 Committed to providing stylish
and accessible living for all

Tel: +44 (0)1384 319 646 www.stiltz.co.uk

Tel: +1 484 282 0002 www.stiltslifts.com
Tel: +86 400 635 0886 www.stiltzlift.com.cn
+86 117 1516 2367

Constructions Guidelines I January 2020 I ConstructionGuide_DuoTrio_PLAC_Jan20_WW_GB_V1.0