Plastic Hole Liner Sleeves w/Caps are for use in obtaining Relative Humidity Measurements through insertion into 0.625in (16mm) boreholes in concrete floor slabs to hold BluePeg Probes.
CTA-18 Sleeve is 1.8in (45.7mm) length, and used to properly position probes in conventional 4in (101.6mm) thick floor slabs. CTA-20 Extra Long Sleeves are 3in (76mm) long and for use with thicker slabs.
Either model can be cut to length as required. The included low-profile caps seal the openings. Ten CTA-18 sleeves are also included with the CT-50 and CT-51 Concrete Humidity Measurement Kits. Sleeves can be optionally used with CTA-19 Liner Sleeve Top Extenders when working with shallower slabs to ensure a tight seal against moisture.
- Available in two lengths
- Used for proper positioning of probes
- Caps seal and protect openings between readings
- CTA-18 Plastic Hole Liner Sleeves w/ Caps (Package of 20), or
CTA-20 Plastic Hole Liner Sleeves w/ Caps, Extra Long (Package of 10)