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SEALANTS, MASTICS & ACCESSORIES

Nova Construction Products Limited offer an extensive range of sealants and mastics for use within the roofing and cladding industry.

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Cartridge Sealants 

Soudaflex 40FC Polyurethane Sealant 

310ml Cartridge

Soudaflex 40FC is a high quality, elastic, 1-component sealant based on polyurethane. 

Product Features:

  • Immediate bonding strength. 

  • Stays elastic after cure. 

  • Good adhesion to many substrates.

  • Good resistance to chemicals. 

  • Developed for concrete applications. 

  • Paintable after use. 

General Purpose Non-Setting Mastic

310 ml Cartridge 

A durable air and waterproof seal between overlapping metal sheets. 

Product Features:

  • High quality non setting mastic. 

  • Polybutylene based elasto-plastic sealant. 

  • Easy to apply. 

  • Good adhesion to most surfaces. 

  • Weather & chemical resistant.

  • Available in grey, white or black. 

Fischer Fire Retardant Foam

750ml Can

A single component, self expanding polyurethane foam which has been designed to be self curing via the absorption of moisture from the atmosphere. 

Product Features:

  • Efficient seal against smoke/gas.

  • Good adhesion to most substrates. 

  • High bond strength. 

  • Fully paintable.

  • CFC free. 

Construction Foam 

750ml Can

A single component polyurethane foam for filling, sealing and insulating of joints between walls and ceilings, around window and door frames, between pre-fabricated construction elements and around cables and pipes. 

Product Features:

  • One component polyurethane foam based on a moisture curing polymer. 

  • CFC free.

  • Cured foam can be cut and painted. 

  • High volume - low expansion. 

  • Resistance against water & chemicals. 

Low Modulus Silicone 

310ml Cartridge 

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Non-toxic, solvent-free, low modulus, multi-purpose, one component silicone sealant (RTV-1), based on a neutral oxime curing system. 

Product Features:

  • Non toxic, solvent free. 

  • High resistance to ageing.

  • Temperature range of (-50°c to +150°c).

Intumescent Acrylic Sealant 

310ml Cartridge

A halogen free, polymer emulsion based sealant that swells when subjected to temperatures in excess of 125°C and forms a char coat that  restricts the passage of smoke and fire. 

Product Features:

  • Excellent adhesion to a wide range of substrates. 

  • Will not harden or crack. 

  • Can be overpainted. 

  • Halogen free.

  • Swells when subjected to temperatures in excess of 125°c and forms a char coat that restricts the passage of smoke and fire. 

Dow Corning® 700 Firestop Silicone 

380ml Cartridge

A low modulus, one-part, neutral curing, fire-rated sealant. It has excellent unprimed adhesion to a range of common construction substrates including stone, steel, masonry, brick, wood, etc.

Product Features:

  • Meets BS 476 Part 22.

  • Excellent Adhesion to OST Substrates.

  • Joint movement capability ±50%.

  • Fire rating of up to 4 hours can be achieved.

  • Tack free in 1.5 hours.

  • Excellent weathering characteristics.

Dow Corning® 791T Weatherproofing Sealant  

310ml Cartridge

A one-part, neutral curing, low modulus silicone sealant particularly suitable for general glazing and weather sealing in curtain wall and building façades. 

Product Features:

  • Neutral cure.

  • Low odour. 

  • Resistant to ozone, ultra-violent radiation and temperature extremes. 

  • Joint movement capability ±50%.

Skeleton Gun

Mastic gun.

Product Features:

  • Suitable for use with 310ml cartridges.

Many other brands of cartridge and gun sealants are available. 

Butyl Strip Mastic Sealants 

Butyl Strip

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Creates an excellent seal in situations such as side and end lap joints.

Product Features:

  • Self wound. 

  • Easy to use. 

  • Good adhesion to most building materials. 

Polyband®

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Liner panel side lap sealant. 

Product Features:

  • A high performance air seal and moisture barrier tape for side lap joints of metal roof and wall liners. 

  • Reduces condensation and increases air tightness. 

  • As recommended in the MCRMA Technical Paper #14 to comply with approved document L2:2006. 

BARRIER TAPES

PVC Tape 

33m per roll 

PVC Electrical Insulation tape. 

Product Features:

  • Flame retardant.

  • Self extinguishing. 

Aluminium Foil Tape 

45m Per Roll 

For sealing profiled sheets and joining foil face insulation boards. 

Product Features:

  • Good initial tack.

  • Outstanding temperature & ageing resistance.

  • UL723 fire rating approval. 

EPDM Foam Tape and Cold Bridging Tape for air sealing & anti-vibration are also available in various sizes. 

PVC PAINT & PASTE

Touch Up Paint  

For touching up small scratches or to cover up cut ends. 

Product Features:

  • Available in many BS/RAL colours.

  • 250ml can size. 

PVC Filler & Repair Paste

Commonly used in association with coated metal fabrications such as fascias and wall cladding to provide weathertight seals between panels or to be used as a filler. 

Product Features:

  • Available in many BS/RAL colours.