Stormguard AM3EX-78 is a versatile threshold capable of sitting on a cill or sitting directly on the floor as part of the fourth side of a door, the threshold allows different types of ramps to be fitted to both the internal or external sides. 

Key features:

• Retrofittable threshold
• Supplied with bubble and flipper gasket to ensure the door is sealed and water tight
• Supplied with black end caps
• Pre-drilled drainage holes
• Thermally broken to meet thermal bridging and insulation requirements, can be used with many different frame and door materials, e.g. wood, PVCu, fibreglass, aluminium, steel and carbon fibre
• Ideal for use with carpeted floors
• 8mm bigger then AM3-70 for profile systems where a larger threshold sits better with the sash and provides a better visual appearance

Specification:

• Complies with Part M regulations when fitted with the appropriate ramps