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Tim-Fix Ties

 

Tim-Fix

What is Tim-fix used for? Structural fixings for warm roof counter batten systems and vertical tile hanging systems. Tim-fix have special helical features which protect insulation sarking boards from roof weight compression loads side loads and wind suction tension loads, while its small constant core diameter allows it to be used in thin counter batten timbers while still conforming to CP112 1972, Unlike standard wire nails.

Timfix has been approved for use, by leading insulation sarking manufacture’s like Celotex, Kingspan, British Gypsum, Ecotherm & Rockwool.

Benefits & Features:
- Quick installation, installed like a nail, grips like a screw
- Protect insulation from roof weights
- High tensile strength to resist wind loads
- Available in lengths from 75mm to 200mm in 5mm increments
- Allows for close to edge fixing without causing thin timbers to split
- Technical recommendation in brochure WF 498
- Austentic 304 or 316 stainless steel
- Headless fixings which allow tile battens to be laid easily over the top
- High resistance to bending moments, due to three equally spaced fins rotating around the same core



Crete-Tie Installation


Crete-Tie Installation


Size Price Qty Add to Cart
100 Tim Fix Nails 6mm x 90mm

£22.49
100 Tim Fix Nails 6mm x 100mm

£25.00
100 Tim Fix Nails 6mm x 105mm

£26.25
100 Tim Fix Nails 6mm x 110mm

£27.50
100 Tim Fix Nails 6mm x 115mm

£28.76
100 Tim Fix Nails 6mm x 120mm

£30.06
100 Tim Fix Nails 6mm x 125mm

£31.23
100 Tim Fix Nails 6mm x 130mm

£32.50
100 Tim Fix Nails 6mm x 135mm

£33.76
100 Tim Fix Nails 6mm x 140mm

£35.01
100 Tim Fix Nails 6mm x 145mm

£36.25
100 Tim Fix Nails 6mm x 150mm

£37.50
100 Tim Fix Nails 6mm x 155mm

£38.75
100 Tim Fix Nails 6mm x 160mm

£39.91
100 Tim Fix Nails 6mm x 165mm

£41.25
100 Tim Fix Nails 6mm x 170mm

£42.50
100 Tim Fix Nails 6mm x 175mm

£43.75
100 Tim Fix Nails 6mm x 180mm

£45.00
100 Tim Fix Nails 6mm x 185mm

£46.25
100 Tim Fix Nails 6mm x 190mm

£47.49
100 Tim Fix Nails 6mm x 195mm

£47.91
100 Tim Fix Nails 6mm x 200mm

£48.55
Tim Fix Hand Support Tool

£15.75
SDS Power Install Tool

£115.00


Size Buy 2 Buy 3+ Buy 5+ Buy 8+
100 Tim Fix Nails 6mm x 90mm £21.37 £20.69 £20.24

£19.79
100 Tim Fix Nails 6mm x 100mm £23.75 £23.00 £22.50 £22.00
100 Tim Fix Nails 6mm x 105mm

£24.94

 £24.15 £23.63 £23.10
100 Tim Fix Nails 6mm x 110mm £26.12 £25.30 £24.75 £24.20
100 Tim Fix Nails 6mm x 115mm £27.32 £26.46 £25.88 £25.31
100 Tim Fix Nails 6mm x 120mm £28.56 £27.66 £27.06 £26.45
100 Tim Fix Nails 6mm x 125mm £29.67 £28.73 £28.10 £27.48
100 Tim Fix Nails 6mm x 130mm £30.87 £29.90 £29.25 £28.60
100 Tim Fix Nails 6mm x 135mm £32.07 £31.06 £30.38 £29.71
100 Tim Fix Nails 6mm x 140mm £33.26 £32.21 £31.51 £30.81
100 Tim Fix Nails 6mm x 145mm £34.43 £33.35 £32.62 £31.90
100 Tim Fix Nails 6mm x 150mm £35.62 £34.50 £33.75 £33.00
100 Tim Fix Nails 6mm x 155mm £36.81 £35.65 £34.87 £34.10
100 Tim Fix Nails 6mm x 160mm £37.91 £36.72 £35.92 £35.12
100 Tim Fix Nails 6mm x 165mm £39.19 £37.95 £37.13 £36.30
100 Tim Fix Nails 6mm x 170mm £40.38 £39.10 £38.25 £37.40
100 Tim Fix Nails 6mm x 175mm £41.57 £40.25 £39.38 £38.50
100 Tim Fix Nails 6mm x 180mm £42.75 £41.40 £40.50 £39.60
100 Tim Fix Nails 6mm x 185mm £43.94 £42.55 £41.63 £40.70
100 Tim Fix Nails 6mm x 190mm £45.12 £43.69 £42.74 £41.79
100 Tim Fix Nails 6mm x 195mm £45.52 £44.08 £43.12 £42.16
100 Tim Fix Nails 6mm x 200mm £46.12 £44.67 £43.70 £42.73
 



Wind Speed Zones
Topography

 

Fixing Density to Resist Wind Loads

Table 1 below will show the number of Tim-fix per metre squared to resist wind suction loads in different locations in Great Britain and taking topography factors and batten thickness into consideration.

TABLE 1

Minimum Tim-fix / Sq metre to Resist Wind Suction Loads

Wind Zone
A
B
C
Slope Of Land
Level to1:20
1:20 to
1:12.5
1:12.5 to N/L
Level to1:20
1:20 to
1:12.5
1:12.5 to N/L
Level to1:20
1:20 to
1:12.5
1:12.5 to N/L
Suction Load KN/M2
2.6
3.6
4.7
3.6
4.3
6.6
4.2
5.0
7.6
Counter Batten Thickness 25mm
4.2
6.0
7.8
6.0
7.1
11.0
6.7
8.2
12.7
Counter Batten Thickness 37mm
3.0
3.5
5.2
4.0
4.7
7.2
4.5
5.5
8.5
Counter Batten Thickness 50mm
2.0
2.0
3.8
3.0
3.6
5.5
3.3
4.1
6.2

 

 

Fixing Density to Resist Sliding Loads

Table 2 below will show the number of Tim-fix per metre squared to resist sliding loads produced by different roof covering weights and taking roof pitch angle and different insulation thickness into consideration.

TABLE 2

 

Minimum Tim-fix / Sq Metre to Resist Slide Loads with no stop rails

A= 0 -50mm
Insulation		 B= 51 -60mm
Insulation		 C= 61 -80mm
Insulation
Laid Roof Covering
Weight per KG/M2		 20 40 60 80 100
Insulation Thickness
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
20 Degrees
2.2
3.9
5.1
2.7
4.7
 6.2
3.2
5.5
 7.4
3.7
6.4
 8.5
4.2
7.2
 9.6
30 Degrees
3.3
5.6
7.5
4.0
6.9
 9.1
4.7
8.0
 10.8
5.4
9.3
 12.4
6.0
10.5
 14.0
40 Degrees
3.0
5.1
6.8
3.8
6.6
 8.8
4.7
8.0
 10.8
5.6
9.6
 12.8
6.4
11.0
 14.8
50 Degrees
2.5
4.3
5.7
3.6
6.2
 8.3
4.6
7.9
 10.5
5.7
9.8
 13.0
6.8
11.7
 15.6
60 Degrees
2.0
3.4
4.6
3.2
5.6
 7.4
4.3
7.5
 9.9
5.6
9.6
 12.8
6.8
11.7
 15.6
70 Degrees
1.4
2.4
3.2
2.7
4.6
 3.2
4.0
6.9
 9.3
5.4
9.3
 12.3
6.7
11.6
 15.4
80 Degrees
1.4
2.4
3.3
2.8
4.8
 6.4
4.2
7.2
 9.6
5.6
9.6
 12.8
7.0
12.0
 16.0
90 Degrees
1.5
2.5
3.3
2.9
4.9
 6.6
4.3
7.4
 9.8
5.7
9.8
 13.0
7.1
12.3
 16.4

 

 
D= 81 -100mm
Insulation 
 
E= 101mm - 115m
Insulation
Laid Roof Covering
Weight per KG/M2
10
20
30
40
50
60
70
80
90
100
Insulation Thickness
D
E
D
E
D
E
D
E
D
E
D
E
D
E
D
E
D
E
D
E
20 Degrees
 7.4 10.9
8.3
12.3
9.2
13.6
10.0
15.0
11.0
16.3
11.9
17.6
12.8
19.0
13.8
20.4
14.6
21.7
 15.6
23.0
30 Degrees
10.8
 16.0
12.1
18.0
13.5
19.9
14.8
21.9
16.0
23.8
17.4
 /
18.8
 /
20.0
 /
21.4
 / 22.7 /
40 Degrees
 9.2 13.6
11.0
16.4
12.4
18.4
14.3
21.0
15.7
23.2
17.3
 /
19.3
 / 20.1 /
22.6
 / 23.9 /
50 Degrees
7.3
 10.8
9.2
12.2
11.5
17.0
13.4
19.8
15.2
22.5
17.0
 /
19.3
 /
21.1
 /
23.0
 / / /
60 Degrees
5.0
 7.5
7.4
10.9
9.7
14.3
12.0
17.7
13.8
20.4
16.0
23.8
18.4
 /
20.1
 /
23.0
 / / /
70 Degrees
2.5
 3.7
5.0
7.5
7.5
11.0
10.0
14.8
12.5
18.4
15.0
22.2
17.5
 / 20.0 /
22.4
 / 24.9 /
80 Degrees
2.6
 3.9
5.2
7.8
7.8
11.6
10.4
15.4
13.0
19.2
15.6
23.00
18.2
 /
20.1
 /
23.4
 / / /
90 Degrees
2.7
 4.0
5.3
7.9
8.0
11.8
10.6
15.7
13.3
19.6
15.9
23.5

18.6

 /
21.2
 /
23.9
 / / /


Fixing densities highlighted in red are to high to be used on 600mm rafter centres. Where a forward slash is shown ( / ) the fixing densities have gone above 25 fixing per square metre which is too high to be used on 400mm rafter centres in both cases consult your insulation supplier about using a two layer system, or install stop battens and use TABLE 2A

 

NOTE: Fixing Density in Tables 1 & 2 are for buildings up to a height of 15mtrs. For applications above 15mtrs to 200mtrs fixing density must be multiplied by a factor of 1.52

 

Reduced fixing densities can be used on thicker insulation and heavier roof weights when stop battens are installed to roofs with rafter centres no wider then  600mm 

All stop battens must be installed at eaves level. If roof spans are longer than 8 metres an additional stop batten must  be introduced at middle span. If roof spans are longer than 16 metres two additional Stop battens must be introduced at third spans. All stop rails must be the same thickness as the insulation being and double fixed to all rafters

 

TABLE 2A

Minimum Tim-fix / Sq Metre to Resist Slide Loads with stop Battens

 

F= 61 -80mm
Insulation		 G= 81 -100mm
Insulation
H= 101 -115mm
Insulation
Laid Roof Covering
Weight per KG/M2		 40 50 60 70 80 90 100
Insulation Thickness
F
G
H
F
G
H
F
G
H
F
G
H

F
G

H

F
G

H
F
G
H
20 Degrees
 4.0 4.0 5.0 4.0 4.0 6.0 5.0 4.0 7.0 5.0 5.0 8.0 6.0 6.0 10.0 6.0 7.0 11.0 6.0 8.0 13.0
30 Degrees
 5.0 7.0 11.0 6.0 9.0 13.0 7.0 10.0 15.0 8.0 11.0 17.0 9.0 13.0 19.0 9.0 14.0 21.0 10.0 15.0 23.0
40 Degrees
 5.0 7.0 11.0 6.0 8.0 13.0 7.0 10.0 16.0 8.0 12.0 18.0 9.0 13.0 21.0 9.0 15.0 23.0 10.0 16.0 /
50 Degrees
 5.0 6.0 9.0 6.0 8.0 12.0 7.0 10.0 15.0 8.0 12.0 18.0 9.0 13.0 21.0 10.0 16.0 24.0 11.0 18.0 /
60 Degrees
 4.0 5.0 7.0 5.0 6.0 10.0 6.0 9.0 13.0 7.0 11.0 17.0 9.0 13.0 20.0 10.0 16.0 24.0 11.0 18.0 /
70 Degrees
 4.0 4.0 4.0 4.0 5.0 8.0 6.0 8.0 13.0 7.0 10.0 15.0 9.0 13.0 19.0 10.0 15.0 23.0 11.0 17.0 /
80 Degrees
 4.0 4.0 5.0 4.0 6.0 9.0 6.0 8.0 13.0 7.0 11.0 17.0 9.0 13.0 20.0 10.0 16.0 24.0 12.0 18.0 /
90 Degrees
 4.0 4.0 5.0 4.0 6.0 9.0 6.0 8.0 13.0 7.0 11.0 18.0 9.0 14.0 21.0 10.0 16.0 25.0 12.0 19.0 /


Fixing densities highlighted in red are to high to be used on 600mm rafter centres. Where a forward slash is shown ( / ) the fixing densities have gone above 25 fixing per square metre which is to high to be used on 400mm rafter centres in both cases consult your insulation supplier about using a two layer system.

 

NOTE: Fixing Density in Tables 1 & 2 are for buildings up to a height of 15mtrs. For applications above 15mtrs to 200mtrs fixing density must be multiplied by a factor of 1.52

 

 

Tim-fix Density for a Specific Job

After making reference to Table 1 & 2 or 2A select the highest Tim-fix/M2 fixing density and use in Table 3 below .

Use the column showing which rafter centres you have, then select a figure closest or slightly higher then Tim-fix/M2 fixing density from Table 1 and 2 then follow the row to give you the counter batten fixing centres in mm.


TABLE 3

Fixing Centres for Tim-fix Using Different Fixing Densities & Rafter Centres 

Counter batten Fixing Centre   

 Rafter Centres - mm
400
450
600
1200
100

25.0

 22.2 16.7 8.3
125
20.0
 17.8 13.3 6.7
150
16.7
 14.8 11.1 5.6
175
14.3
 12.7 9.5 4.8
200
12.5
 11.1 8.4 4.2
225
11.1
 9.8 7.3 3.7
250
10.0
 8.9 6.7 3.4
275
9.1
 8.0 6.0 3.0
300
8.3
 7.3 5.5 2.8
325
7.7
 6.5 5.2 2.6
350
7.2
 6.0 4.8 2.4
375
6.7
 5.9 4.5 2.3
400
6.3
 5.6 4.2 2.1

Quantity of Tim-fix required can be worked out by multiplying the above selected fixing density in Table 3 by the total  roof area metre squared.

Laid Weight  

 

 


Installation Procedure

 

Structual Fixings for Warm Roof Counter Batten Systems


Installation Procedure

 

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www.wallfast.co.uk/pdf/Tim-fix-spec-form.pdf




 

 



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