Mega Foam PU Expanding Foam

Name: Mega Foam PU Expanding Foam gun grade and hand held all in one

A high performance, “2 in 1” polyurethane expanding foam available for use as an aerosol grade using special adaptor or by simply fixing a gun applicator can be used as gun grade. Quick, economic and easy to apply for fitting doors, windows and insulating pipes and filling gaps. Improves draught and heat insulation and deadens noise.

Features: Can be used at any angle. – High yield. – Problem-free valve. – Fills holes and seals gaps. – High thermal and acoustic insulation value. – Non‐shrinking. – Exceeds DIN4102 Class B3 (Foam rating for products with no fire resistant additives or properties).

Application: The fresh foam adheres to most common building materials including wood, concrete, stone, plaster, metal, PVC and polystyrene. Areas of Application: installation of window and door frames and entrance door linings (where a clean and controlled backfill is required) – filling of holes – insulation of penetrations – sealing of thermal and acoustic insulation boards – sealing and connection of joints – reducing the impact of thermal bridges. Can be used with BDAG1 or BDAK45 gun applicators. The can will operate in any position.

Instructions: Preparation: Surfaces to be bonded must be firm, clean, dry and free from dust, grease or contaminants that may hinder adhesion. They must be moistened well with water. All construction components must be properly prepared prior to foam application. It is advisable to have Foam Cleaner at hand. Chilled cans must be carefully warmed in luke-warm water (below +45oC) before usage but avoid heating above +50°C, as there is a risk of bursting. Cans which are too hot, for example after having been left in a vehicle during summer, must be cooled using cold water. Protect adjacent surfaces with paper, plastic film or other suitable material. The can should be shaken occasionally during this process to obtain the required temperature faster. Prior to work, and before the adaptor is attached, the can must be shaken thoroughly at least 15-20 times.
Application: As from 24 August 2023 adequate training is required before industrial or professional use. The instructions for the can must strictly be observed. Use gloves and eye protection and avoid skin contact. With Straw Adapter: Hold the foam can in upright position. Screw the applicator (straw) firmly to the foam can valve. For application, turn the can upside down and press the applicator trigger. Use the applicator trigger to adjust the foam output.
With Gun Adapter: Hold the foam can in upright position, turn the gun to the can by holding the gun handle with one hand, and turn the can with the other hand. Make sure that the gun is not pointed at other persons when turning it. The can must not be screwed to the gun with the valve upside down or by turning the gun on the can. Care must be taken not to overtighten the adaptor and not to activate the valve during this process. Turn the can upside down and start applying. The foam output can be adjusted by the gun trigger. Turn the can upside down and press the applicator trigger, using the trigger to adjust the foam output. The fresh foam will expand by 1½ to 2 times. Therefore care must be taken not to overfill joints. Fresh foam spills must be removed immediately within the tack-free time with Bond It FOAM CLEANER. Cleaning: Excess foam can be removed whilst still wet using Bond It Gun Foam Cleaner or Multi-Wipes. Cured foam can only be removed mechanically.

Limitations: This foam is NOT for use around fire doors to provide a fire seal to flames and smoke. Cured foam is sensitive to UV light and direct sunlight and therefore should be covered with suitable opaque sealant, filler, paint or other material. Does not bond to polythene, Teflon®, siliconised or wax-like surfaces. Moisture is needed for an even and rapid curing of the foam. Inadequate moistening or overfilling of joints and cavities may lead to an unwanted post-expansion of the foam. Foam extrusion can be controlled accurately by varying the pressure on the adaptor or gun trigger. For foam extrusion the valve is pointed down but it will work through most angles. The valve lever is to be activated carefully. Once a can has been started, it should be used within four weeks.