Thursday, 17 May 2012

Andy---Click-Post-its

What the Standards Say

If you make a hole in something (e.g. to fit downlights, ceiling fans or sockets) you must repair the fire/sound/insulation/vapour seal of the original construction. The documents that say this are:

Contractor---FB---Fire-Text

All holes must be sealed to the original fire rating:

  • 17th Edition – UK
  • Building Regs Document B – England & Wales
  • Building Standards Technical Handbook 2 – Scotland
  • Building Regs Document E – Northern Ireland

Contractor---FB---Sound-Text

All holes must be sealed to the original sound rating:

  • Building Regs Document E – England & Wales
  • Building Standards Technical Handbook 5 – Scotland
  • Building Regs Document G – Northern Ireland

Contractor---FB---Insulation-Text

Must have continuous insulation in the loft space:

  • Building Regs Document L – England & Wales

Contractor---FB---Moisture-text

All holes must be sealed to stop moisture transfer into loft space:

  • Building Regs Document C – England & Wales

Downlights - What to fit

Contractor---FB---Where-to-fit-text

Contractor---FB---Firecap-2 Contractor---FB---Firecap-1
  • Install above downlights with inhabited floors directly above (if it's a loft space, you'll need to fit different covers so insulation can be laid over the top)
  • Forms a fire and acoustic seal

Contractor---FB---Test-Data-text

Fire tested to:

BS 476-20 - 120 minutes
BS 476-21 - 60 minutes
BS 476-22 - 120 minutes
BS 476-23 - 60 minutes
BS EN 1365-2 - 60 minutes
Sound tested to:
Party Ceilings - 60dB
Internal Ceilings - 40dB

Contractor---FB---Product-Selection-Text

1. Select the cut-out size in the left hand column

2. Read across for max height of downlight that will fit

3. Model number to ask for is shown at the bottom of the table

Cut out size (mm) Maximum height of downlight (mm)
50 83 136 188 170 245
55 78 130 183 170 245
60 73 125 177 170 245
65 68 120 172 170 245
70 63 115 167 170 245
75 57 110 162 170 245
80
104 157 170 245
85   99 151 170 245
90   94 146 170 245
95   89 141 170 245
100   83 136 170 245
105     130 170 245
110     125 170 245
115     120 170 245
120     115 170 245
125     110 170 245
130     104 170 245
135     99 170 245
140     94 170 245
145       170 245
150       170 245
175       170 245
200       170 245
225       170 245
250       170 245
270       170 245
  Ask-for-sticker Arrow---Pointing-Down Arrow---Pointing-Down
 Arrow---Pointing-Down
 Arrow---Pointing-Down
 Arrow---Pointing-Down
AFF109/150
 
AFF109/200
 
AFF109/250
 
AFF109/300
 
AFF109/350
 

Contractor---FB---Fitting-Instructions-Text

Contractor---FB---Firecap-Fitting-1 Contractor---FB---Firecap-Fitting-2 Contractor---FB---Firecap-Fitting-3 Contractor---FB---Firecap-Fitting-4
1. Roll up the cover and push it through the hole for the downlight 2. Open the cover on the opposite side of the ceiling. Pull the wire legs down and hook on the underside of the ceiling. 3. Trim the excess off the wire legs 4. Wire up the downlight and fit into place

Contractor---FB---Firecap-DosDonts-1

Downlights in Loft Space - What to fit

Contractor---FB---Where-to-fit-text


 Contractor---FB---Loftcap-1
  • Install in the loft space above downlights
  • Cover is rigid so insulation can be laid over top
  • Forms a fire, air and moisture seal
Contractor---FB---Product-Selection-Text
Contractor---FB---Loftcap-3-Small

Ask-for-sticker-Small ALC274

For Larger Downlights
Tested to:
BS 476-21 (60 minutes)
BS EN 60598

 Contractor---FB---Loftcap-2

Ask-for-sticker-Small ALC275

For Smaller Downlights
Tested to:
BS EN 60598.1
BS EN 60598.2.2
Cover Diameter   274mm Cover Diameter   200mm
Max. Downlight Diameter   100mm Max. Downlight Diameter   150mm
Max. Downlight Height   100mm Max. Downlight Height   120mm
Max. Downlight Wattage   50W Max Downlight Wattage   50W

 

Contractor---FB---Fitting-Instructions-Text

Contractor---FB---Loftcap-Fitting-1 Contractor---FB---Loftcap-Fitting-2 Contractor---FB---Loftcap-Fitting-3 Contractor---FB---Loftcap-Fitting-4
1. Place the cover over the hole for the downlight and make a hole for a cable 2. Pass the cable through the hole 3. Wire up and fit the downlight 4. Run mastic around the edge of the cover to seal

Contractor---FB---Loftcap-Dos--Donts-1

Ceiling Fans - What to fit

Contractor---FB---Where-to-fit-text

Contractor---FB---Ceiling-Fan-2 Contractor---FB---Ceiling-Fan-1
  • For use over extractor fans and ducting
  • In the event of a fire the sleeve will expand and seal the opening
Contractor---FB---Product-Selection-Text
Contractor---FB---Ceiling-Fan-2-Small

Ask-for-sticker-Small CFS100

Tested to:
BS 476-21 (60 minutes)
 

 

Contractor---FB---Fitting-Instructions-Text

Contractor---FB---Ceiling-Fan-Fitting-1 Contractor---FB---Ceiling-Fan-Fitting-2 Contractor---FB---Ceiling-Fan-Fitting-3 Contractor---FB---Ceiling-Fan-Fitting-4
1. Cut a hole in the ceiling for the sleeve and fan (127mm diameter) 2. Fit the sleeve onto the fan/vent 3. Attach the flexible hose to the fan/extension 4. Fix the fan and sleeve into the ceiling

Contractor---FB---Dos--Donts-2

Switches & Sockets - What to fit

Contractor---FB---Where-to-fit-text

Contractor---FB---Socket-Cover-2 Contractor---FB---Socket-Cover-1
  • Switch/socket inserts and covers available
  • Covers fit behind switches and sockets
  • Inserts fit inside switches and sockets
Contractor---FB---Product-Selection-Text
Contractor---FB---Socket-Cover-2-Small

Ask-for-sticker-Small AFA1 or AFA2

Tested to:
BS 476-20 (120 minutes)
BS EN 140-3
 
 Contractor---FB---Socket-Insert-1

Ask-for-sticker-Small AFB1, AFB2, AFC1 or AFC2

Tested to:
BS 476-20 (120 minutes)
BS EN 140-3
 
Single Socket AFA1 Single Socket (35mm) AFB1
Double Socket AFA2 Double Socket (35mm) AFB2


Single Socket (47mm) AFC1


Double Socket (47mm) AFC2

 

 

Contractor---FB---Fitting-Instructions-Covers-Text

Contractor---FB---Socket-Cover-Fitting-1 Contractor---FB---Socket-Cover-Fitting-2 Contractor---FB---Socket-Cover-Fitting-3 Contractor---FB---Socket-Cover-Fitting-4
1. Push wire legs through the cover. Make a hole in the centre and pass the cable through 2. Fold in the sides and push the cover through the switch/socket hole 3. Pull the legs through and hook them on the plasterboard. Trim off the excess wire 4. Fit the back-box, wire up and fit the switch/socket


Contractor---FB---Fitting-Instructions-Inserts-Text

Contractor---FB---Socket-Insert-Fitting-1 Contractor---FB---Socket-Insert-Fitting-2 Contractor---FB---Socket-Insert-Fitting-3
1. Fit back-box and bring the cable through 2. Make the hole in the insert, bring cable through and fit the insert into the back-box 3. Wire up and fit the switch/socket