Thermoguard Wallguard Intumescent 30/60 Minute Basecoat Formerly Wallcoat

Thermoguard Wallguard Intumescent 30/60 Minute Basecoat Formerly Wallcoat forms the basecoat within a Thermoguard fire protection system for interior plasterboard and cement board ceiling and wall surfaces.

Best Uses

Thermoguard Wallguard Intumescent 30/60 Minute Basecoat Formerly Wallcoat is the basecoat first part of a system for use as an intumescent basecoat on walls & ceilings by Thermoguard.

IMPORTANT - The below information from the manufacturer must be read and referred to your relevant authority for approval BEFORE purchase and use.

PLASTERBOARD
Thermoguard issue a 30 min Fire Certificate to upgrade 9mm plasterboard and 60 min on 12.5mm plasterboard below voids below 22mm tongue & groove floors or as one side of a partition wall using the specification above, based on the evidence below.
Wallcoat Intumescent Paint added minimum 30 mins Fire Resistance to 12.5mm plasterboard in a 90 min indicative UKAS Fire Test Laboratory. In all cases 25mm MDF was located 70mm behind the plasterboards in place of floor boards or a board typically the other side of a partition stud wall. Temperatures were monitored on the protected face (facing away from the furnace) of the MDF, and char damage to the side of MDF facing the plasterboard was measured following the 90 min Fire Test. Char damage was 10 >12 mm, indicating unprotected exposure to fire of 15 > 20 mins during the 90 min period. Insulation was maintained for 60 mins.

CEMENT BOARD
Thermoguard issue a 30 min Fire Certificate to upgrade 9mm or 20 min fire rated cementitious board and 60 mins to 12mm 30 min cement-based board under-drawing 22mm+ tongue & groove floor boards or as one side of a fire rated stud partition wall using the specification above, based on the evidence below. Wallcoat Intumescent Paint added minimum 30 mins Fire Resistance to 10mm and 12.5mm cementitious board and to 12.5 mm plasterboard in a 90 min indicative UKAS Fire Test Laboratory. In all cases 25mm MDF was located 70mm behind the cement boards. Temperatures were monitored on the protected face (facing away from the furnace) of the MDF, and char damage to the side of MDF facing the cement board was measured following the 90 min Fire Test. Char damage was 10 >12 mm, indicating unprotected exposure to fire of 15 > 20 mins during the 90 min period. Insulation was maintained for 60 mins.

System

Thermoguard Wallcoat 30 & 60 Minute System for Plasterboard is a coloured intumescent paint system for interior plasterboard and cement board ceiling and wall surfaces. For interior use only.

To achieve 30 or 60mins + BS EN Class B s1 d0 and Class 0 to sound plasterboard/cement board unpainted or painted with sound, firmly adhering* paints systems;

• 3 coats of Thermoguard Wallcoat at 4.2m² per kg/per coat
• 1 coat of Thermoguard Wallcoat Smoke & Flame Retardant Topcoat Eggshell or Matt
• 2nd coat of Thermoguard Wallcoat Smoke & Flame Retardant Topcoat may be required for strong/dark colours

Application

Follow on-can guide to coverage, do not overspread as this compromises the system and results in non-compliance and inability to certify.

All surfaces must be clean and dry. Remove all possible surface contaminates such as grease, smoke residues, silicates etc. Seal water-stain risks with stain blocking sealer suitable to overcoat with water-based acrylic paints. Abrade hard or smooth surfaces with wetted 120 grit wet-or dry abrasive or dust extracting abrader. Rinse off slurry while still damp. When dry, remove any loose or suspect material back to firm edge. Fill and repair any damage to the substrate using a good quality remedial filler.

• Apply one coat of Thermoguard Wallcoat 30/60 Insulating Basecoat
• Overcoat with Thermoguard Wallcoat Anti-Microbial Smoke & Flame Retardant
• Apply at rate stated on can or specification to protect surfaces & enable project certification

Ensure coverage is applied as per can i.e., 25 sqm can covers 25 sqm

IMPORTANT INTUMESCENT PRODUCT NOTE: Always contact Promain’s technical team prior to purchase to obtain a tailored project specification and the advice necessary. The information displayed on this website should only be used as a guide. Promain UK Limited will not be held liable for any resulting damage to property, human life or monetary costs incurred due to incorrect specification, preparation, application or maintenance that has occurred due to negligence by either the purchaser or applicator. This includes your failure to have contacted us to obtain the relevant advice/specification.