Flex1000TDS(1015-EM07)
3Pages

One-part Urethane Sealant Product description Flexiprene 1000 is a single component, moisture-cure, environmentally friendly, polyure- thane sealant that cures rapidly to a durable, medium modulus, flexible, weatherproo! sealant. The cured sealant adheres well to most common substrates such as masonry, concrete, glass and aluminum without priming and shows excellent adhesion to most types ot plastic. Basic uses Flexiprene 1000 can be used tor exterior and interior caulking the perimeters of frame openings; expansion, control and isolation joints; coping and coping to facade joints; cornice and wash joints; panels; poured-in-place; tilt-up; underside of precast planks; steps and risers; top of non- oa;:::;f:a'i'g Vv-;-i qiaz rq etc v. ->ila:; for various manufacturing uses, such as production of travel trailers and mobile homes, extruded PVC windows and doors, and many other OEM • Contains no TDI (toluene diisocyanate) or VOC (volatile organic solvents). • Excellent adhesion to wide range of substrates • Excellent weatherability and durability Application limitations • Do not apply over damp or contaminated surfaces or in hot, humid weather conditions as the sealant will bubble or foam if applied during these conditions. • Do not apply to absorptive surfaces such as marble, limestone, or granite without prior testing for discoloration or staining. • Maximum joint width is 1-1/2". Limestone. Custom colors available; minimum 24 cartridges per carton. Also available in 2 gallon pails, 5 gallon pails and 55 gallon drums on special order. Applicable standards Flexiprene 1000 meets or exceeds the requirements of Federal Specification TT-S-00230C, Type II, Class A; ASTM C920-87 Type S, Grade Joint design: The width of the joint should be a minimum of 4 times the anticipated movement. In joints up to 1/2" wide, the depth of the sealant should be equal to the width, but not less than 1/4". In joints wider than 1/2", the depth should be maintained at 1/2". Maximum joint width is For butt joints, see PSI's Joint Design Chart for recommended joint designs for specific building materials. Lap shear joints should have a widlh of at least twice the anticipated movement. Surface preparation: Joints to receive sealant must be sound, smooth, uniform in dimensions and free from defects and foreign materials. They must also be clean, dry, free of frost and all contaminants, such as sealers (waterproofing), curing compounds, coatings, etc. To test adhesion, apply a sealant bead and allow to cure thoroughly. Then pull one end of the bead to test adhesive Priming: Flexiprene 1000 has excellent adhe- sion to most common firm and uncontaminated materials. In some applications it may be prudent to use a primer on substrates such as concrete

which are frequently wet, friable or sandy, and some plastics. For porous surfaces, PSI Primer 591 is recommended. The primar should be allowed to dry for about 2 hours before applying sealant. For non-porous surfaces, Primer 590 is recommended. Sealant can be applied after a 15 minute drying time. Primer should be applied only to clean, dry surfaces prior to installation of backer rod, bond breaker tape, and sealanl and should be kept within the confines of the joint to avoid staining adjacent surfaces. See data sheets and MSDS for Primers 590 and 591 for more detailed information. PSI's...

Adhesion testing by PSI: This program is intended to eliminate potential field application problems by pre-testing the adhesion of PSI's construction sealants on samples of building materials submitted by the customer. The tests will aid in determining the proper surface preparation method, effective solvents for cleaning and whether priming is necessary to achieve optimum adhesion. Following this procedure will remove many of the variables that affect field success. Test samples should be identified as to manufacturer, origin, designed use, building project, person and firm originating the...