This Comar Internal Drain Rainwater Outlet is a hot-press-moulded, versatile and long-lasting trim accessory that's part of the PRO GRP system. This internal drain water outlet sits flush on your roof and is used to join a rainwater downpipe to your roof, where the drain runs vertically through the roof deck.

The GRP material used to manufacture this outlet is famed for its strength, durability and weather resistance, which means it can withstand harsh weather conditions and is able to direct water away from buildings even in the most challenging conditions. By preventing water build-up on your roof and directing the water away from vulnerable areas, you can reduce the risks of leaks, structural damage and water ingress into the building. Plus, the installation of this outlet is quick and simple, for both professional roofers and DIY-enthusiasts alike.

Key Features

• Sits flush on the roof
• Part of the PRO GRP system
• Helps to prevent water build-up on roofs
• Used to join a rainwater downpipe to your roof
• Maintains the integrity of the building's exterior
• Famed for its strength, durability and weather resistance
• Hot-press-moulded, versatile and long-lasting trim accessory
• Reduces the risk of leaks, structural damage and water ingress
• Quick and simple installation for professionals and DIY-ers alike

Technical Information

• Colour: Grey

For more information on different types of water outlets, check out our Guide Page Section on 'Are Furring Strips Necessary?'