Acoustic and Intumescent Mastic Sealant
Acoustic and Intumescent Mastic Sealant
Price: £3.15 (£3.78 inc VAT)
10 or more £3.10 (£3.72 inc VAT)
20 or more £3.05 (£3.66 inc VAT)
30 or more £2.97 (£3.56 inc VAT)
- Product Code: A1-1312
- Delivery Time: 1 - 2 days
- Brand: Various Manufacturers
- Model: 310ml mastic sealant
Our ratings on 11-09-2026:

4.8 out of 5
Acoustic and Intumescent Mastic Sealant
Acoustic and Intumescent Mastic is a sealing and fire stopping product intended for penetration services and linear joint and gap seals. It is produced from acrylic emulsion mineral fillers of high density. The product is classified as non-hazardous and non-toxic, chemically stable and it is not reactive with other substances.
The mastic can be stored on work site for a short time period, held in unopened containers clear of the ground, in operating temperature between 40º and 50º.
APPLICATION
Acoustic and Intumescent Mastic Sealant is used as acoustic and fire seal between wood, concrete, brickwork and blockwork, in exterior or interior applications.

CHARACTERISTICS
- non-hazardous;
- non-toxic;
- non-flammable;
- chemically stable and not reactive with other substances.
CERTIFICATION
- Complies with BS-EN 1366-4;
- Class F According to the requirements of EN13501-1;
- Tested in accordance with BS-EN1366-4 / BS-EN 1366-3 / BS476-20 / BS476-22 / Certifire CF 578
- In accordance with section B.2.1.2 of BSEN 1366>4: 2006;
- In accordance to the requirement of BS-EN 1366-4
Brand: Various Manufacturers
Model: 3.5x42mm - coarse point
Delivery Time: 1 - 2 days
3.5x42mm Coarse Thread Sharp Point high quality screws have been specially developed for fixing plasterboard on to timber frameworks of differing thicknesses, to be used for both wall and ceiling applications in interior and exterior applications. Screw directly into timber, no pre drilling required..
£17.04
£20.45 inc VAT
Brand: Various Manufacturers
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 4 - 7 days
168mm Structural Insulated Panel (SIP) consist of a 150mm Expanded Polystyrene (EPS) core sandwiched between two 9mm Oriented Strand Board (OSB) sheets. This advanced component offers superior strength, durability, and insulation. The OSB acts as a rigid skin, much like the flanges of an I-beam..
Brand: Various Manufacturers
Model: 3.5x38mm
Delivery Time: 1 - 2 days
3.5x38mm Black Drywall Screws have been specially developed for fixing plasterboard on to timber frameworks of differing thicknesses, to be used for both wall and ceiling applications in interior and exterior applications. Screw directly into timber, no pre drilling required. Black phosphate finish...
£15.60
£18.72 inc VAT
Brand: Various Manufacturers
Model: 270mm x 130mm
Delivery Time: 1 - 2 days
270mm x 130mm Abrasive Tool (Grinder) for Polystyrene EWI boards is used for rasping and smoothing polystyrene boards used for insulating external walls. The abrasive surface shaves off the unwanted sections of the polystyrene sheets to create a flat surface prior to adding the basecoat layer in the..
£17.00
£20.40 inc VAT
Brand: Various Manufacturers
Model: Moisture Resistant Plasterboard Strips
Delivery Time: 2 - 5 working days
Cut to Size Moisture Resistant Plasterboard Strips for Deflection Heads are used in plasterboard partitions to allow for movement - up, down or both within the structure at the head of a partition. This deflection is created by live and dead loads on the floor or roof above. The partition below has ..
Brand: Various Manufacturers
Model: Code 4 - 2400mm x 600mm - 1.44m2
Delivery Time: 3 - 5 days
12mm Code 4 Lead Lined Plywood Board is a specialised building material engineered to provide reliable radiation shielding. It's constructed by bonding 1.8mm lead sheeting to a 12mm thick plywood board core. This product is crucial in environments where protection from X-rays and gamma rays is ..
Guide Price: £141.70
£170.04 inc VAT






