1 TM. DynaTrol II Specification data Sheet General Purpose Polyurethane Sealant BASIC USES PACKAGING be less than 1/4" (6 mm). In joints up to Expansion/control joints in: 1 1/2-gallon ( L) unit including Base and 1/2" (12 mm) wide, the depth of the - Precast panels Activator sealant should be equal to the width. In - Tilt-up precast panels Color Pack is packaged separately joints wider than 1/2" but not exceeding - Curtain walls COLOR 2" (50 mm), the depth should be main- Window/door perimeters Color-Pack system has pre-measured tint paste for 49 standard colors tained at 1/2". For joints wider than 2", Glazing Custom colors are available upon request; please consult our Technical Services Acoustical minimum: 15 color packs department.
2 Firestopping Visit Custom Color Tools at to DynaTrol II withstands structural move- EIFS assist in custom color selection ment of 50% extension and 50% compres- Bedding panels The base material is not to be used without addition of color sion without adhesive or cohesive failure 2. MANUFACTURER in properly designed joints. Pecora Corporation data Joint sealants do not change volume with 165 Wambold Road Applicable Standards expansion or compression - only shape;. Harleysville, PA 19438 Federal Specification TT-S-00227E, Class A, the greater the change in shape (strain), Phone: 215-723-6051 Type II;ASTM C-920,Type M, Grade NS, the greater the stress on the sealant and 800-523-6688 Class 25, use NT, M,A,G and O, and City bond line.
3 Fax: 215-721-0286 of Los Angeles RR25071. 5. INSTALLATION. Website: Joint Design: Good joint design in the Surface Preparation: Joint surfaces construction industry dictates four times 3. PRODUCT DESCRIPTION (4x) the anticipated movement of building must be dry, clean and free of all DynaTrolTM II is a general purpose, 2-part, contamination. Glass, metal and other components be used when calculating joint nonporous surfaces must be free of any non-sag, elastomeric sealant that creates a theoretically derived 2:1. tenacious bond and watertight seal coatings and wiped clean with solvent. movement factor is based on thermal Precast panels using form-release agents between materials of similar or dissimilar movement alone and does not allow for surface textures, porosities, and/or expan- other than polyethylene film must be variances found at the jobsite and sandblasted or mechanically abraded and sion coefficients.
4 Therefore should not be used. blown or brushed dust free. Fire Rated Systems: Four-hour fire and The 4:1 design factor accommodates both temperature-rated Wall and Floor Design Priming: Not required on glass or thermal movement and wide variations in anodized aluminum and usually not Joint Systems up to 3" (75 mm) wide can tolerances of construction materials, be designed with ULTRA BLOCK fire- necessary on most other common fabrication and erection often found in the building materials. However, varieties of blocking material and/or mineral wool fire will also accommodate joints safing. brick, natural stone, plastics, paints, installed narrower than originally designed. coatings and other surface treatments These designs have been full-scale tested The width or depth of the joint should not often present the need for priming.
5 And classified by Underwriters Laboratories, Inc. and appear in the 2003 TYPICAL PHYSICAL PROPERTIES. UL Fire Resistance Directory,Vol. 2. at 77 F (25 C), 50% RH. Ref: Standard "Fire Tests of Building Test Property Value Test Procedure Construction Materials," ANSI/UL 263, Adhesion-in-peel, pli 28 ( kN/m), no adhesion loss* ASTM C794. ASTM E119, NFPA No. 251 Adhesion-in-peel after UV. exposure, pli 28 ( kN/m), no adhesion loss* ASTM C794. Consult Technical Bulletins # 85J and Cyclic movement no bond loss** ASTM C719. # 85P for a complete listing of Pecora Effect of accelerated weathering no cracking ASTM C793. Firestop Systems. Effect of heat aging, % wt. loss ASTM C792. Extrusion rate, secs 4 ASTM C603.
6 ULTRA BLOCK is a product of Backer Hardness, Shore A 25-35 ASTM C661. Rod Mfg. Co., Denver, CO. Slump, inches 0 ASTM C639. Limitations: DynaTrol II should not be Stain & color change none ASTM C510. used: Tack-free time, hrs 8-16 ASTM C679. VCO content: activator, g/L 0 ASTM D3960. as a cap, heel or toe bead in glazing base, g/L 14 ASTM D3960. systems utilizing high-performance glass Working time, hrs 4-5 ASTM C603. or acrylic polycarbonate Sheet in areas exposed to harsh chemicals * aluminum, glass and primed concrete substrates ** when tested for 50% movement Since Pecora architectural sealants are applied to varied substrates under diverse environmental conditions and construction situations, it is recommended that substrate testing be conducted prior to application.
7 Specification data Sheet Due to the number and unpredictable Tooling: Tool immediately to assure full locations listed below or visit our website nature of these substrates, a field or labo- without a slicking agent is at ratory test is recommended to determine preferred but if conditions require one, min- the adhesion of DynaTrol II with or with- eral spirits is recommended. (See Caution out priming is indicated, P-75 statement.) Pecora Corporation warrants its products or P-150 should be used on porous to be free of defects. Under this warranty, Painting: Due to variability in paint prod- substrates and P-120 on nonporous we will provide, at no charge, replacement ucts and their raw materials, installation substrates or consult Technical Services.
8 Materials for, or refund the purchase price conditions, installation techniques as well as Sealant should be applied within 8 hours of, any Pecora product proven to be defec- primers, it is required that contractors who after priming; otherwise, it will be tive when used in strict accordance with apply paint, pretest paint onto sealant, to necessary to reprime. our published recommendations and in determine suitability. Oil based paints can applications considered by us as suitable for All Exterior Insulation Finish Systems must exhibit a slow/non-curing condition. Field this warranty is in lieu of any be primed with P-75 or P-150 as required test is required and user must determine and all other warranties, expressed or by manufacturers of various EIFS systems.
9 Suitability. Paintable after 72 hours. Consult implied, and in no case will Pecora be liable Also, because architectural stones such as Technical Bulletin # 31 for further informa- for incidental or consequential damages. marble and granite vary considerably in tion. porosity, some bleeding of the sealant into Clean Up: Immediately remove all excess 8. MAINTENANCE. the substrate is , a field or sealant and smears adjacent to joints with If the sealant is damaged and the bond is laboratory test to confirm this possibility mineral use mineral spirits to intact, cut out the damaged area and prime is recommended. clean uncured sealant from equipment. with P-75 or P-150 primer and recaulk.
10 If Pecora offers complimentary adhesion, Remove cured sealant by scraping, Sand- the bond has been affected, remove the compatibility and stain testing in its labora- papering, etc. (Caution: mineral spirits is sealant, clean and prepare the joint in accor- tory on actual field samples of substrate flammable and toxic. Observe manufactur- dance with instructions under "Installation". from the jobsite or on representative sam- er's precautions.). ples from the same lots. Contact Technical Storage Life: DynaTrol II has a shelf life of SERVICES. Services for details. approximately one (1) year from the date of Pecora representatives are available to assist Joint Backing: Backer rod controls the manufacture when stored in sealed contain- you in selecting an appropriate depth of the sealant and allows it to be ers at temperatures lower than 80 F (26 C).