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Intumescent Products
Vents and Covers
PVC Extrusion
Silicone & Glues
Signage
Slide Bolts
Toilet Cubicle F'mts
Wood Mouldings
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Intumescent Vents and Covers
Please click enlarge Images
Fire Rated Blocks
Ventilation within buildings can contravene British Standards when holes are cut into fire doors and
compartment walls. A low cost solution comes in the form of an ‘Intumescent Block’ made up of an
intumescent ‘Honeycomb’ construction they offer up to 1 hour protection whilst still allowing a high
degree of free air flow during normal working conditions. We carry a wide range of standard sizes for
immediate despatch, special sizes including circular are available upon request. Our ex stock range
have a standard 60 minutes fire rating a 120min version are available on request. By design the
dampers offer low maintenance having no moving parts.
 
 VGRI - Intumescent Air Transfer Vents
Enlarge Image When installing ventilation or air conditioning ductwork or simply cutting holes for
ventilation within compartment walls/doors the integrity of the building must be
retained. Fire blocks offer a low maintenance, low cost answer to this application
giving up to 60 minutes integrity in accordance to BS 476 parts 20:22 together with
giving excellent free flow of air during normal use. They have no moving parts hence
need no regular maintenance apart from inspection to ensure they have not been
damaged. They are concealed behind neat covers (see Cover plates) which give
protection against damage. (SAA Covers to suit are 32mm larger in both dimensions to fully cover hole).
Colour
Description / Size (W x D)
Pack
Code
SAA*
Vent Cover 150mm x 150mm
1+
VGRI150A
SAA*
Vent Cover 200mm x 200mm
1+
VGRI200A
SAA*
Vent Cover 225mm x 225mm
1+
VGRI225A
SAA*
Vent Cover 250mm x 250mm
1+
VGRI250A
SAA*
Vent Cover 300mm x 300mm
1+
VGRI300A
SAA*
Vent Cover 225mm x 150mm
1+
VGRI225B
SAA*
Vent Cover 300mm x 225mm
1+
VGRI300B
SAA*
Vent Cover 300mm x 150mm
1+
VGRI300C
SAA*
Vent Cover 400mm x 150mm
1+
VGRI400A
SAA*
Vent Cover 400mm x 400mm
1+
VGRI400B
* Paint effect   
 
 VCOV - Quality Steel Covers in SAA Finish
Enlarge Image These high quality covers are constructed from steel which are pre-coated for rust
prevention then painted to achieve an excellent SAA finish. They are supplied
approximately 40mm over the opening size to allow for fitting. Available in a choice of
colours to order, contact our sales department for further details. For actual size add
40mm to bothwidth and height.
Colour
Description / Aperture Size (W x D)
Pack
Code
SAA*
Cover and Grille 150mm x 150mm
1+
VCOV150A
SAA*
Cover and Grille 200mm x 200mm
1+
VCOV200A
SAA*
Cover and Grille 225mm x 225mm
1+
VCOV225A
SAA*
Cover and Grille 250mm x 250mm
1+
VCOV250A
SAA*
Cover and Grille 300mm x 150mm
1+
VCOV300A
SAA*
Cover and Grille 300mm x 225mm
1+
VCOV300B
SAA*
Cover and Grille 300mm x 300mm
1+
VCOV300C
SAA*
Cover and Grille 400mm x 150mm
1+
VCOV400A
SAA*
Cover and Grille 400mm x 400mm
1+
VCOV400B
SAA*
Cover and Grille 450mm x 150mm
1+
VCOV450A
* Paint effect   
 
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Hart Wholesale are premier suppliers to the hardware and manufacturing trade. We stock the full range of BLUM hinges, BLUM kitchen fittings and BLUM drawer runners including the innovative BLUMOTION also Domus ducting, ventilation and Intumescent products, together with many thousands of items of hardware including HOSPA screws, hinges, stays, brackets, bolts, hooks etc. We also stock the full range of HERA low voltage lighting and HERA custom design lighting products. Also premier supplies of Veneers and
mouldings with mirror fittings. popular lines are such as window fittings and cabinet handles with draws and drawer runners and draw
runners. Many supplies around use of manufacturing products glides or knock down fittings. primary items such as intumescent or intumisant products and rigid pvc extrusion and wardrobe fittings. other lines frequently requested are radiatror grills, but most
importantly screws and fixings and blum products with hera lighting and ducting with our range of wood vaneers and vaneered
mouldings and weather seals.