Sikalastic® HLM 5000 SL

• ASTM C 836
• National standard of Canada 37.58 - M86 developed by CGSB

Sikalastic® HLM 5000 SL is a bitumen-modified polyurethane.

• Pails:1 Year
• Drums: 6 Months

Store in unopened containers in clean, dry conditions at 40 to 80 °F (4 to 27 °C). During storage, an easily removed skin of Sikalastic® HLM 5000 SL may form, which does not affect the performance of the product.

Minimum Recovery

90%

Average Elongation

¹Tested in the direction of greatest elongation of the fabric

Cycled 10 times per 24 hours at - 15 °F (- 26 °C)

Flexibility after heat aging

3 days at room temperature: Nil

25–30 ft²/gal at 55–65 wet mils (0.61–0.74 m²/L at 1.4–1.7 mm wet thickness)
25–30 ft²/gal at 45–55 dry mils (0.61–0.74 m²/L at 1.1–1.4 mm dry thickness)
Coverage may vary with the application technique used. Actual coverage rate and mil thickness depend on the finish and porosity of the substrate.

• Apply Sikalastic® HLM 5000 SL when substrates are dry and air temperatures are 40 to 90 °F (4 to 32 °C); for application at temperatures below 40 °F (4 °C), consult Technical Services.
• Temperatures influence the viscosity and handling characteristics of Sikalastic® HLM 5000 SL: heat increases and cold decreases the flow. Keep Sikalastic® HLM 5000 SL cool in hot weather and warm in cold weather.
• Avoid application when inclement weather is present or imminent.
• Do not apply to reinforcing bars or to wet or contaminated surfaces.
• Do not directly heat containers with a flame, stove, hot plate, or oven.
• Patch all voids and deep depressions in substrates with appropriate patching material before applying Sikalastic® HLM 5000 SL.
• Before applying Sikalastic® HLM 5000 SL, dam all drains and drain openings.
• Carefully work material over irregular concrete to avoid pinholes and holidays.
• Protect Sikalastic® HLM 5000 SL coated surfaces from a puncture with a protection board until the required topping or backfill is placed.
• Not intended as an exposed or wearing surface.
• Do not use where a solvent odor is objectionable, e.g., near areas where food preparation or processing occurs during the application.
• Specify wet or paper curing for concrete to be coated with Sikalastic® HLM 5000 SL; avoid using liquid curing compounds.
• In horizontal applications, concrete must be sloped to drain to avoid ponding water on the surface of Sikalastic® HLM 5000 SL
• When using a drainage mat directly over Sikalastic® HLM 5000 SL, a layer of 6-mil polyethylene sheeting should be used between the Sikalastic® HLM 5000 SL and the drainage mat.

Drainage and Protection

1. For protection during backfill and where hydrostatic pressure is anticipated, use the appropriate Sikaplan®-975 Drain Board System for installation instructions.
2. For protection during backfill only, install the protection board as soon as possible following the cure of Sikalastic® HLM 5000 SL.

1. For best results, all concrete deck surfaces should be lightly steel-troweled to a flat, uniform surface. A light broom finish is acceptable. New concrete must be properly water-cured for at least 14 days. Membrane-curing compounds must be mechanically removed.
2. For extremely porous block: Prime with a coat of Sikalastic® HLM 5000 SL diluted up to 25% with SikaSwell®-990 or xylene. Or apply a parge coat of Sika Thoroseal®-581 at the rate of approximately 400 ft² (37.2 m²) per bag and allow to cure a minimum of 7 days before applying Sikalastic® HLM 5000 SL.
3. Remove dust, dirt, and other contaminants just before or during application. Surfaces must be dry at the time of application.
4. Air-void pockmarks or honeycombs must be opened up to allow Sikalastic® HLM 5000 SL to fill the cavities completely. Air entrapment within voids may cause blisters. Extreme cases may require additional repair.

A test application is always recommended before proceeding with the entire application.
NOTE: Finish coat must be applied in a pinhole-free, continuous membrane for waterproofing integrity.

 
Standard System

1. Select the grade of Sikalastic® HLM 5000 that best meets individual job requirements. Use Sikalastic® HLM 5000 T for trowel application, Sikalastic® HLM 5000 S for spray application, or Sikalastic® HLM 5000 SL for squeegee application.
2. For horizontal applications, empty the contents of the pail and spread immediately to ensure workability. The best results are obtained by marking off 125 ft² (11.61 m²) areas and evenly spreading the contents of a 5-gallon (18.93 L) unit with a rubber-edged notched squeegee. Repeat the above procedure until the entire surface is covered.
3. For vertical applications, apply by trowel, roller, or spray at the rate of 25 ft²/gallon (0.6 m²/L). The best results are obtained by marking off 125 ft² (11.6 m²/L) and evenly applying the contents of a 5-gallon (18.93 L) pail.
4. Verify the applied thickness with a wet mil gauge as the work progresses.
5. The integrity of the cured membrane on a horizontal surface may be verified by damming the entire area and flooding it with water to a minimum depth of 2" (51 mm) and allowing the water to stand for 24–48 hours. Visually inspect the bottom surface to check for any water penetration. If repairs are necessary, the area should be drained and allowed to dry before reapplying Sikalastic® HLM 5000 SL. After reapplication, the area should be tested again for membrane integrity.

High-Build System
Concrete application: Apply 60 wet mils of Sikalastic® HLM 5000 SL, followed by setting Sikalastic®-995 reinforcing fabric into the wet material. Overlap all seams a minimum of 3" (76 mm). Additional material may be required to properly embed the reinforcing fabric where it overlaps. Allow the first coat to cure overnight and follow with a second 60 wet-mil application of Sikalastic® HLM 5000 SL.
Plywood application: All plywood construction must comply with APA (American Plywood Association) standards. Caulk all joints with a Sika sealant and then proceed with the Sikalastic® HLM 5000 SL high-build system.

 
Spray Equipment
For spray equipment recommendations, consult the equipment manufacturer.

Appreciable properties develop within 24–48 hours at 75 °F (24 °C) and 50% relative humidity. Protect Sikalastic® HLM 5000 SL from traffic during curing.