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CT • Metal roof hoods

  • Roof caps
  • Steel
  • Red or anthracite gray
  • With roof passage

Alternative products

CTP • Plastic roof hoods

Roof hoods with pre-painted aluminium rain cover and formable lead sheet for waterproofing

Brand

  • Cairox

Application

  • Roofpassage for exhaust (or air intake) in ventilation systems
  • Suitable only for use on tile or slate roofs
  • Not suitable for ventilation or deaeration of sewers and toilets

Material

  • Galvanized steel, with red or anthracite grey pre-painted aluminium hood and lead flashing

Colour

  • Red, RAL 3009
  • Anthracite grey, RAL 7016

Composition

  • Weather resistant hood with birdscreen, made of steel
  • Duct connection in galvanized steel
  • Lead flashing for weather resistant mounting

Mounting

  • Provided with lead flashing for mounting on enclined roofs with inclination between 5° and 45°
  • Equipped with round duct connection
  • Higher air volumes as being mentionned should be avoided

Text for tender

Copy
  • The air intake or exhaust shall be effectuated through a steel roof hood supplied with integrated lead flashing and birdscreen
  • Finish Red, RAL 3009 or Anhtracite grey , RAL 7016 according to the roof finish
  • Type CT

Order example

  • CT, GRAY, 200

Explanation

CT = Type roof cap

GRAY = Color of the cap

200 = Connection diameter

Articles

Article selection assistant
Dia [mm]
Color
Q Intake (2,5 m/s in the duct) [m³/h]
Q Outtake (3,5 m/s in the valve) [m³/h]
Article number Type Dia [mm] Color Q Intake (2,5 m/s in the duct) [m³/h] Q Outtake (3,5 m/s in the valve) [m³/h] E-shop
A090101125000 CT125R 125 Red 105 147
A090101150000 CT150R 150 Red 153 214
A090101160000 CT160R 160 Red 153 214
A090101200000 CT200R 200 Red 275 384
A090101250000 CT250R 250 Red 431 604
A090101315000 CT315R 315 Red 689 964
A090101355000 CT355R 355 Red 876 1226
A090101400000 CT400R 400 Red 1114 1560
A090101450000 CT450R 450 Red 1412 1977
A090101500000 CT500R 500 Red 1746 2444
A090101630000 CT630R 630 Red 2779 3891
A090102125000 CT125B 125 Gray 105 147
A090102150000 CT150B 150 Gray 153 214
A090102160000 CT160B 160 Gray 153 214
A090102200000 CT200B 200 Gray 275 384
A090102250000 CT250B 250 Gray 431 604
A090102315000 CT315B 315 Gray 689 964
A090102355000 CT355B 355 Gray 876 1226
A090102400000 CT400B 400 Gray 1114 1560
A090102450000 CT450B 450 Gray 1412 1977
A090102500000 CT500B 500 Gray 1746 2444
A090102630000 CT630B 630 Gray 2779 3891
=> Stock product central warehouse, except sales
=> Stock product local warehouses, except sales
=> Article with a volume discount

Pressure loss

Dimensions

 

A [mm]

B [mm]

C [mm]

ØD [mm]

E [mm]

F [mm]

G [mm]

H [mm]

Ak [m2]

CT 125

54

200

250

125

70

500

400

175

0,019

CT 150

65

248

300

150

70

500

400

175

0,033

CT 160

65

248

300

160

70

500

400

175

0,033

CT 200

100

333

400

200

85

600

600

160

0,058

CT 250

100

333

400

250

85

600

600

160

0,058

CT 315

112

420

500

315

85

600

600

140

0,085

CT 355

200

550

660

355

150

900

750

225

0,185

CT 400

200

550

660

400

150

900

750

225

0,185

CT 450

200

550

660

450

150

900

750

225

0,185

CT 500

245

650

850

500

160

1200

1000

215

0,24

CT 630

320

780

1000

630

160

1200

1000

215

0,393

Ak [m2] = free area of the hood

Remark

The deposit of lead on slate roofs can be avoided by applying patination oil on the lead roof flashing.
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