3/8” Spirals
Caldwell’s 3/8” Spiral Balances: INSUL-TILT, SPIRO-MITE® and Enhanced 3/8” are made for tilt and non-tilt residential and commercial windows.
Caldwell’s 3/8” Spiral Balances succeeds AAMA Class 3 and has a weight capacity of 4-80 lbs.
INSUL-TILT: Single (4 to 42 lbs) & Tandem (42 to 80 lbs)
SPIRO-MITE®: Single (4 to 34 lbs) & Tandem (34 to 68 lbs)
Enhanced 3/8”: Single (35-42 lbs)
Product Features
- Powerful spring capacity in a slim design fits into most aluminium & PVC window designs
- AAMA Class 3, a minimum of 50% lift assistance
- Provides consistent, smooth uniform operation throughout the full travel range of the sash
- Broad, adjustable weight ranges providing:
- Reduced inventory
- Fine tune window performance
- Field adjustable
- Caldwell’s Music Wire Springs offer more consistent and dependable output
- Galvanized steel tubes, providing structural strength and durability
- INSUL-TILT: Tilt, Non-Tilt or Sideload Application: carrier dependent
- Enhanced 3/8”: Heavy duty & pre-tensioned
- SPIRO-MITE®: Non-Tilt and clip on available
