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We do decorative concrete resurfacing and have been using Sikaflex’s 2CSL, a self-leveling polyurethane calking material. Typically we put a backer rod in the joint, tint the calk, scoop it into calking tubes with a margin trowel and apply the calk to the joint. We are using this calk for 3 main reasons: 1. it is tintable (so that we can get a close match to our finished decorative concrete resurfacing job or it provides a desired contrast), 2. it is self-leveling, and 3. it is durable.
Does anyone out there know of a better way to get this material into a calking tube or apply it? It comes in a bulk 1 1/2 gallon bucket – nothing smaller.
What other calks have you used in concrete expansion and control joints and what properties do those products have that you like and dislike?
As always, thanks in advance for your input.
Cliff.
Replies
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We do decorative concrete resurfacing and have been using Sikaflex's 2CSL, a self-leveling polyurethane calking material. Typically we put a backer rod in the joint, tint the calk, scoop it into calking tubes with a margin trowel and apply the calk to the joint. We are using this calk for 3 main reasons: 1. it is tintable (so that we can get a close match to our finished decorative concrete resurfacing job or it provides a desired contrast), 2. it is self-leveling, and 3. it is durable.
Does anyone out there know of a better way to get this material into a calking tube or apply it? It comes in a bulk 1 1/2 gallon bucket - nothing smaller.
What other calks have you used in concrete expansion and control joints and what properties do those products have that you like and dislike?
As always, thanks in advance for your input.
Cliff.