What is sikaflex 15 lm used for?
Excellent for moving joints in vertical applications. Suitable for use between similar as well as dissimilar materials. Typical applications include joints in concrete panel and wall systems, around window and door frames, reglets, flashing, common roofing detail applications, etc.
What is sikaflex 1a construction sealant used for?
Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in. Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applictions, and many construction adhesive applications.
What is an elastomeric joint sealant?
According to ASTM C 920, Standard Specification for Elastomeric Joint Sealants, sealants are “cold-applied elastomeric single or multi-component materials used for sealing, caulking, or glazing operations on buildings, plazas, and decks for vehicular or pedestrian use, and types of construction other than highway and …
Can sikaflex 1a be applied to wet surfaces?
Control joints must be cut and open for min of 8 hours prior to application. Expansion joints must have forms removed a minimum of 4 hours prior to application. For damp concrete applications Sikaflex-1a can be applied 60 minutes after any and all water has been displaced.
What is a backer rod used in caulking?
Backer rods are usually round, flexible lengths of foam that are used as a “backing” in joints or cracks to help control the amount of sealant/caulking used and create a back stop. Many sizes/diameters are available for optimal fitting to the size of the joint being sealed.
Is sikaflex fuel resistant?
Sikaflex tank n is one of only a handful of joint sealants on the market today, specifically designed to be resistant to oils and petroleum based fuels.
Is silicone an elastomeric sealant?
The two most often used sealants on the market are polyurethane sealants, and silicone sealants. Each falls into the category of an elastomeric material and are used to fill gaps and keep water and air out. They also both allow for expansion and contraction, and can allow for up to 50 percent movement.
What is the difference between silicone and polyurethane sealant?
One of the principal differences between silicone and polyurethane sealants is the chemical composition. Silicone is an inorganic substance, while polyurethane is organic. Silicone is a unique material because it contains both inorganic and organic compounds.
Is sikaflex 1a self leveling?
Self-leveling consistency, easy to apply in horizontal joints. Paintable with water-, oil-, and rubber-base paints.
How long does sikaflex 1a take to dry?
Allow 1 week cure at standard conditions when using Sikaflex-1a in total water immersion situations. When overcoating with water, oil and rubber based paints, compatibility and adhesion testing is essential. Sealant should be allowed to cure for 7 days prior to overcoating.
What kind of sealant is sikaflex-1a used for?
Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Sikaflex-1a can be used in green and damp concrete applications. Meets Federal Specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I,
Why are Sikaflex polyurethane sealants better than paint?
Because of their exclusive chemical design, Sikaflex polyurethane sealants exhibit far less dust and dirt pick-up during cure and over the lifetime of the building. Sikaflex polyurethane sealants can be treated with most coatings and paints without the risk of delamination.
When to use Sikaflex 429 OR 429 primer?
Note: Most Exterior Insulation Finish Systems (EIFS) manufacturers recommend the use of a primer. When EIFS manufacturer specifies a primer or if on-site bond testing indicates a primer is necessary, Sikaflex 429 primer is recommended. On-site adhesion testing is recommended with final system prior to the start of a job.
When to use color Pak in Sikaflex NS ez mix?
The paddle should reach the bottom of the pail between the first and second minute of mixing. Scrape down the sides of the pail a second time and then mix for an additional 2–3 minutes until the sealant is well blended. Color-pak must be used with tint base.