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Seals & Intumescents

Intumescent Vents

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Intumescent Vents

Intumescent vents allow airflow during normal use but seal shut when exposed to heat, maintaining ventilation in fire doors or walls without compromising the fire compartment line. Browse our wide range of fire door grilles and air transfer grilles, with certified FD60 fire ratings to ensure compliance for HVAC installers and commercial joiners. Buy premium intumescent vents today and benefit from reliable fire protection, tested performance, and fast next-day delivery.

VAT

Showing 1 - 21 of 23 products

Type

Vent Covers(9)

Vents(14)

Finish

Satin Silver(6)

Silver(17)

Brand

Lorient(12)

Norseal(6)

Unbranded(5)

Size (mm)

123mm(1)

148mm(1)

150 x 150mm(2)

190 x 190mm(1)

200 x 200mm(1)

225 x 150mm(2)

225 x 75mm(2)

250 x 250mm(2)

290 x 290mm(1)

295 x 295mm(1)

300 x 140mm(1)

300 x 195mm(1)

300 x 225mm(2)

300 x 300mm(2)

340 x 340mm(1)

345 x 345mm(1)

350 x 300mm(1)

Width (mm)

150mm(2)

190mm(1)

200mm(1)

225mm(4)

250mm(2)

290mm(1)

295mm(1)

300mm(6)

340mm(1)

345mm(1)

350mm(1)

Length (mm)

75mm(2)

140mm(1)

150mm(4)

190mm(1)

195mm(1)

200mm(1)

225mm(2)

250mm(2)

290mm(1)

295mm(1)

300mm(3)

340mm(1)

345mm(1)

Fire Rating

60(14)

No(9)

Overall Size (mm)

150 x 150 x 40mm(2)

190 x 190mm(1)

200 x 200mm(1)

225 x 150 x 40mm(2)

225 x 75 x 40mm(2)

250 x 250 x 25mm(1)

250 x 250 x 40mm(1)

290 x 290mm(1)

295 x 295mm(1)

300 x 140mm(1)

300 x 195mm(1)

300 x 225 x 40mm(2)

300 x 300 x 40mm(2)

340 x 340mm(1)

345 x 345mm(1)

350 x 300mm(1)

Suit Vent Size (mm)

150 x 150mm(2)

250 x 100mm(1)

250 x 150mm(1)

250 x 250mm(2)

300 x 250mm(1)

300 x 300mm(2)

Customer Rating

5 only(8)

4 or more(14)

3 or more(16)

2 or more(17)

1 or more(19)

Price

£8.70

£87.00

Showing 1 - 21 of 23 products

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Expanded Door Range Banner - June-July 2026 Nav

(4)

114 in stock

Vent Cover - 340 x 340mm to suit Block 300 x 300mm - Silver

Variants available

£25.20

each

Inc VAT

Lorient

(6)

11 in stock

Lorient Vent Cover Grille - 345 x 345mm to suit Transfer Vent 300 x 300mm - Satin Silver

Variants available

£21.60

each

Inc VAT

Norseal

(5)

28 in stock

Norseal Intumescent Air Transfer Vent - FD60 - 300 x 300mm

Variants available

£51.00

each

Inc VAT

(1)

53 in stock

Vent Cover - 290 x 290mm to suit Block 250 x 250mm - Silver

Variants available

£20.10

each

Inc VAT

Norseal

(1)

6 in stock

Norseal Intumescent Air Transfer Vent - FD60 - 150 x 150mm

Variants available

£28.80

each

Inc VAT

Norseal

(1)

40 in stock

Norseal Intumescent Air Transfer Vent - FD60 - 225 x 75mm

Variants available

£40.80

each

Inc VAT

Lorient

(2)

Out of Stock

Lorient Vent Cover Grille - 295 x 295mm to suit Transfer Vent 250 x 250mm - Satin Silver

Variants available

£16.68

each

Inc VAT

Norseal

(1)

Out of Stock

Norseal Intumescent Air Transfer Vent - FD60 - 225 x 150mm

Variants available

£49.20

each

Inc VAT

Lorient

(0)

94 in stock

Lorient Vent Cover Grille - 190 x 190mm to suit Transfer Vent 150 x 150mm - Satin Silver

Variants available

£11.76

each

Inc VAT

(1)

10 in stock

Vent Cover - 200 x 200mm to suit Block 150 x 150mm - Silver

Variants available

£16.80

each

Inc VAT

Lorient

(1)

77 in stock

Lorient Vent Cover Grille - 300 x 140mm to suit Transfer Vent 250 x 100mm - Satin Silver

Variants available

£10.44

each

Inc VAT

Norseal

(0)

2 in stock

Norseal Intumescent Air Transfer Vent - FD60 - 300 x 225mm

Variants available

£48.00

each

Inc VAT

Norseal

(3)

27 in stock

Norseal Intumescent Air Transfer Vent - FD60 - 250 x 250mm

Variants available

£46.80

each

Inc VAT

Lorient

(0)

Out of Stock

Lorient Vent Cover Grille - 300 x 195mm to suit Transfer Vent 250 x 150mm - Satin Silver

Variants available

£13.16

each

Inc VAT

Lorient

(1)

42 in stock

Lorient Vent Cover Grille - 350 x 300mm to suit Transfer Vent 300 x 250mm - Satin Silver

Variants available

£19.62

each

Inc VAT

Lorient

(4)

14 in stock

Lorient LVV40 Intumescent Air Transfer Vent - FD60 - 250 x 250mm

Variants available

£70.80

each

Inc VAT

Lorient

(1)

10 in stock

Lorient LVV40 Intumescent Air Transfer Vent - FD60 - 300 x 225mm

Variants available

£102.00

each

Inc VAT

Lorient

(1)

10 in stock

Lorient LVV40 Intumescent Air Transfer Vent - FD60 - 225 x 150mm

Variants available

£61.20

each

Inc VAT

Lorient

(0)

6 in stock

Lorient LVV40 Intumescent Air Transfer Vent - FD60 - 150 x 150mm

Variants available

£58.80

each

Inc VAT

Lorient

(5)

34 in stock

Lorient LVV40 Intumescent Air Transfer Vent - FD60 - 300 x 300mm

Variants available

£104.40

each

Inc VAT

(1)

8 in stock

LVC Circular Air Transfer Vent - FD60 - 123mm Diameter

Variants available

£56.28

each

Inc VAT

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