Premix part A with a low speed electric stirrer and then add part B and mix for 30 seconds. For the colourpack version, premix part A neutral with a low speed electric stirrer and add part D to it. Mix until a uniform colour is achieved. Ad part B and mix for 30 seconds.
Use a double paddle (axis) mixer and gradually add part C (aggregate) to the mixed resin. Allow part C to blend for further 2 minutes minimum, to ensure complete mixing and a uniform moist mix is obtained. During the operations, scrape down the sides and bottom of the container with a flat or straight edge trowel at least once (parts A+B+C) to ensure complete mixing.
Use a low speed electric stirrer (300 – 400 rpm) for mixing parts A and B. For preparation of the mortar mix use a double paddle mixer.
Prior to application, confirm substrate moisture content, relative humidity and dew point. As a scratch coat Sikafloor®-24 PurCem® can be applied using a steel trowel. As a body coat Sikafloor®-24 PurCem® can be applied using a toothed trowel or pin screed, or a steel trowel. Remove air with a spike roller.
If creating a PurCem HB-24 textured floor, broadcast desired grade of Silica sand or Sikafloor Broadcast B1 Bauxite to excess.
Be aware of open time to keep up with the initial set time of the Sikafloor®-24 PurCem® base.
Once sufficiently hard to accept a persons weight, remove all brodcast excess by sweeping and vacuuming.
Apply finish coats of Sikafloor 31 or 33 PurCem as per instructions of those TDS.
The mixing and placement of the the Sikafloor®-24 PurCem® base and any finish coats must be carried out strictly in accordance with application guidelines.
Failure to do so will adversely affect set times and the appearance of the finished product related to eveness and colour.
If using Sikafloor®-24 PurCem® as an overlay system on existing resin floors, observe the correct methods for preparation.
Refer to Sika Technical Dept. for direction