Marathon 13 1/2 in. Adjustable Drain Guard

The Marathon BS-1045 Adjustable Drain Guard is a 13-1/2″ dome-style guard designed to protect roof drains from clogging. Built from corrosion-resistant aluminum, it provides durable, lightweight performance for commercial and industrial roof applications. Measuring 13-1/2″ (343 mm) outside diameter and 13″ (330 mm) overall length, this guard ensures reliable debris protection and proper drainage flow.

Key Features:

• Large 13-1/2″ adjustable aluminum drain guard
• Dimensions: 13-1/2″ OD × 13″ length (343 mm × 330 mm)
• Corrosion-resistant and durable design
• Helps prevent debris buildup in roof drains
• Easy installation and maintenance

• Model / Part Number: BS-1045
• Size: 13-1/2″ Adjustable Drain Guard
• Outside Diameter: 13-1/2″ (343 mm)
• Overall Length: 13″ (330 mm)
• Material: Aluminum
• Application: Roof drain debris protection

• Clear the roof drain and bowl of all debris.
• Insert the BS-1045 Adjustable Drain Guard into the roof drain opening.
• Adjust the guard to ensure a snug and secure fit.
• Make sure the guard sits evenly in the bowl.
• Run water to confirm proper drainage through the guard.

Q: What are the dimensions of the BS-1045?
A: It has a 13-1/2″ outside diameter and an overall length of 13″.

Q: What material is it made of?
A: The BS-1045 is constructed from corrosion-resistant aluminum.

Q: What does an adjustable drain guard do?
A: It prevents debris from entering roof drains, ensuring uninterrupted water flow.

Q: Is the BS-1045 adjustable?
A: Yes, it is designed to adjust for a secure fit in various drain conditions.

Q: How difficult is installation?
A: Installation is simple, requiring no special tools.