Two component, hot spray, fast setting hybrid polyurethane polyurea waterproofing membrane
DESCRIPTION
Sikalastic® M 800 R is a solvent free, two component, pigmented, low modulus, hybrid polyurethane poly urea waterproofing membrane. It is highly reactive and can only be applied by special two component spray equipment.
This product has been available under different commercial names since 1985, it continues and now under Sika Brand name. It holds a number of approval certificates for various waterproofing applications world wide.
USES
Sikalastic® M 800 R may only be used by experienced professionals.
- For use as a waterproofing membrane on flat and
.pitched roof structures with additional top coat for UV-protection for exposed roofs.
- For use as a waterproofing membrane underneath planting or hard landscaping on podium areas.
- For use as a waterproofing membrane underneath XPS insulation, polyurethane foam as part of an inver ted or vegetative roof system.
- For use as a waterproofing membrane for other con crete structures and on non-trafficked concrete areas with an additional top coat for UV-protection.
- Using the appropriate primer, Sikalastic®M 800 R can be applied to most substrates including concrete, bitumen cement screed, glass reinforced polyester, timber etc.
CHARACTERISTICS/ ADVANTAGES
- Long Track Record (since 1985)
- Fast reacting spray application -Complex details both horizontal and vertical easy to waterproof
- Application to vertical surface without runs – lnstallation to walls not problem
- Monolithic – No laps, welds or seams
- Fully bonded – Moves with the structure
- High water vapor permeability- Low risk of blister ing in service
- Crack bridging capability- Can cope with cracks that occur after installation
- Solvent and monomeric isocyanate free – Increased safety for applicators
- Unaffected by standing water or ground water – Suitable for constant water contact
- Thermoset- Does not soften at elevated temperat ures encountered on a roof
- Remains elastic at low temperatures-lg – 35°C – Suitable for all Asia Pacific.
- Solvent free
ENVIRONMENTAL INFORMATION
Conformity with LEED credites (latest version LEED V4, revised 2012): Low-Emitting Materials – Paints and Coatings
APPROVALS/ STANDARDS
- Singapore Green Label
- Meet Japan JIS A 6021Type I
- ASTM C 1305-2016 Crack bridge 10 cycles at 2mm at -26°C
- Root Resistant DIN 4062
- BBA Roof Certification done at Y2002
PRODUCT INFORMATION
Chemical base: Hybrid Polyurethane/Polyurea
Packaging:
Part A: 200 kg/drum
Part B: 22Q kg/drum
Appearance / Colour
Part A: Grey Liquid
Part B: Light Yellow Clear Liquid
Shelf life
The product must be stored properly in original, unopened and undamaged sealed packaging in dry conditions.
Part A & Part B stroe at temperatures between+10 °Cand +30 °C. Higher storage temperatures may reduce shelf life of product.
Reference shall also be made to the storage recommendations within the safety data sheet.
Density: Part A: 1.05 ± 0.03 kg/L @25°C (Internal)
Part B: 1.10 ±0.05 kg/L @25°C (Internal)
Volatile organic compound (VOC) content – 1.0 g/L ISO 11890-2:2020
Viscosity: Part A: 1650 mPas@ 25°C (Internal)
Part B: 1000 mPas @ 25°C (Internal)
TECHNICAL INFORMATION
Shore A hardness: 75 ±5 (ASTM D 2240)
Resistance to root penetration: Pass (DIN 4062)
Tensile strength: 8 ~ 10 MPa (ASTM D 412)
Elongation at break: ~400% (ASTM D 412)
Crack bridging ability:
Static Crack Bridge: AS (>2.Smm) (EN1062-7)
Dynamic crack bridge: 3.2mm 10 cycles at -26°C (ASTM C 1305)
Water penetration under pressure: No leakage at 5 bar (DIN 16726)
APPLICATION INFORMATION
Mixing ratio:
Part A : Part B = 100 : 73 (by weight)
Part A : Part B = 100 : 70 (by volume)
Product temperature
Flow Heater, hose heater*
Part A: 70 ~ 75°C
Part B: 65 ~ 10°c
Processing pressure, bar
Part A: 130 ~ 180
Part B: 130 ~ 180
The performance data is typical and based upon controlled laboratory conditions. Actual performance on the job site may vary from these values based on actual site conditions.
Ambient air temperature: +5°C min./ +40 °c max.
Relative air humidity: 85 % r.h. max
Substrate moisture content:
4 % pbw moisture content.
Test method: Sika®-Tramex meter, CM – measurement on Oven-dry method
No rising moisture according to ASTM (Polyethylene-sheet).
Waiting time/ Overcoating
Overcoating time between primer and Sikalastic®M 800 R refer to selec
ted substrate primer PDS.
On concrete substrate, before applying Sikalastic®M 800 Ron Sikafloor®- 161 HC or Sika®Primer PW-F allow*
Substrate temperature Minimum waiting time Maximum waiting time
-+l0°C -24hours 4 days
+200C 12 hours 2 days
-+3-00C 8 hours 24 hours
Before applying Sikalastic®M 800 Ron Sikalastic®M 800 R allow*:
Substrate temperature Minimum waiting time Maximum waiting time
-+l0°C Immediately 6 hours
+200C Immediately 4 hours
-+300C Immediately 2 hours
Before applying Topcoat Sikalastic®U-Coating or Sikalastic 670 TC or Sikalastic®-701 on Sikalastic®M 800 R allow:
Substrate temperature Minimum waiting time Maximum waiting time
-+l0°C 30 min 24 hours
+200C 20 min 16 hours
-+300C 10 min 12 hours
If recoating times are exceeded or rain falls or dew occurs on the surface of Sikalastic®M 800 R then the membrane must be dried and Sikalastic®P 691 should be applied at consumption of 80 ~ 100 g/m2 or Sika®Reactiva tion Pr1mer should be applied at ~164 g/m2 prior to the application of membrane or Topcoat.
Note: Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Gel time 15 ± 3 s (Internal)
SYSTEM INFORMATION
Systems: Primer Selection based on substrate
Substrate Primer
Concrete/Cementitious(Dry} Sika” Primer PW-F / Sikafloor”-161 HC/Sikafloor®P 2525
Steel 5ika· Primer PW-F/ Sikalastic” P 684 / Sikalastic” Metal Primer
Aluminium Sikalastic” Metal Primer 5ika· Primer PW-F / Sikalastic” P 684
Copper Sika• Primer PW-F / Sikalastic” P 684 I Sikalastic• Metal Primer
Bituminous sheet membrane Eau Primer Barrier/ Sikalastic” Metal / Primer
Aged liquid PU or polyurea membrane Sika Sokan Primer J / Sikalastic” Reactivation Primer
PV-C membrane Sikalastic” PVC Primer
FP-O membrane Sikalastic” PVC Primer
FP-O membrane Sikalastic” FPO Primer
Ceramic tiles_(unglazed) Sikalastic” Concrete Primer LO
Exposed Roof Waterproofing
Layer Product Consumption
Primer on Concrete Sika Primer PW-F 0.3 kg/mz
or Sikafloor-161HC 0.3~0.5 kg/m2
(0.3~0.7mm dry sand) 1.0 kg/mz
or Sikafloor®P 2525 0.17~0.25 kg/mz
Non-Exposed Roof Waterproofing
Layer Product Consumption
Primer on Concrete Sika Primer PW-F 0.3 kg/mz
or Sikafloor-161HC 0.3~0.5 kg/m2
with SikaDur”-501 1.0 kg/mz
(o.3~o.7mm dry sand) 0.17~0.25 kg/mz
or Sikafloor® P 2525
Waterproofing Sikalastic® M 800 R 1.3~2.4 kg/mz
Note: These figures are theoretical and do not include for any additional material required due to surface porosity, surface profile, variations in level and wastage.
Dry film thickness
Exposed roofing
Waterproofing – 1.6 ~ 2.2 mm
Total – 1.8 ~ 2.4 mm
None Exposed roofing
Waterproofing – 1.6 ~ 2.2 mm
BASIS OF PRODUCT DATA
All technical data stated in this Data Sheet are based on laboratory tests. Actual measured data may vary due to circumstances beyond our control.
IMPORTANT CONSIDERATIONS
- Application is by 2-part hot spray equipment For spray application the use of protective health and safety equipment is mandatory.
- Always refer to the manufacturer’s instructions be fore use the tools and mixing equipment.
- Products shall only be applied in accordance with their intended use.
- Do not apply Sikalastic®M 800 Ron substrates with rising
- On substrates likely to exhibit outgassing, apply dur ing falling ambient and substrate temperatures. If ap plied during rising temperatures “pin holing” may oc cur from rising air.
- Product shall be used in conjunction with a safe sys tem of Ensure an adequate assessment of all site risks has been conducted prior to work commen cing. Refer to the product safety datasheet for further guidance.
- Do not use Sikalastic®M 800 R for indoor applica
- Sikalastic® M 800 R is not UV light resistant and changes colour under UV exposure. However, the per formance and technical properties are not affected providing the exposure is max. 4 It is therefore advisable to overcoat Sikalastic®M 800 R with UV-pro tective top coat as early as possible.
- Please note: Always apply a test area firstIn wet areas or climatic zones with a permanent air humidity of more than 80 %, in combination with a permanent air temperature of more than +30 °C Sika® Concrete Primer or Sikalastic®P 691 must be used as adhesion promoter.
ECOLOGY, HEALTH AND SAFETY
User must read the most recent corresponding Safety Data Sheets (SDS) before using any products. The SDS provides information and advice on the safe handling, storage and disposal of chemical products and con tains physical, ecological, toxicological and other safety-related data.
APPLICATION INSTRUCTIONS
SUBSTRATE PREPARATION
The surface must be sound, clean, dry, and free from oil and climates grease, loose particles and other con taminants which may impair adhesion
Depending on the material the substrate must be primed or mechanically cleaned. Grinding may be ne cessary to level the surface. Suitable substrates are such as: Concrete, bituminous felts and coatings, met al, brickwork, asbestos cement, ceramic tiles.
Concrete and Cementitious Screed:
The concrete substrates to be sprayed must be at least 14 days old, dry, free of laitance as well as substances which impair adhesion such as oil, grease, rubber skid marks, paint, or other contaminants. Preparation of the substrate by grit or shot blasting, high-pressure water jetting, grinding, or scarifying is necessary for plain concrete. Prior to application of the primer the bond strength of the substrate must be at least 1.5 MPa.
The substrate to be coated must be protected against rising damp by having a damp proof membrane in stalled if it is a slab in contact with the ground.
Asphalt (only indoor!)
The asphalt should be cleaned by high pressure water jetting. In mechanically stressed applications the load bearing capacity of the asphalt should be suitable for the intended use and should be shot blasted so that at least 60% of the surface aggregate is exposed. Blisters should be warmed, re-dressed and de-bond tape ap plied over.
Bituminous Sheeting
Sikalastic® M 800 R can be applied on bituminous sheeting by using special primers. For further details, please consult your local sales office.
Iron/Steel
Iron or steel surfaces should be sand blasted to an SA 2 ½ finish prior to the application of primer.
MIXING
Dose and mix with suitable two-component spray equipment. Maintain recommended product and hose temperature.
Recomended pressure:
Part A+ B 130-180 bar.
Ensure equal pressure of Part A+ B. The accuracy of pressure, mixing and dosage must be controlled regu larly with the equipment.
APPLICATION
Sikalastic® M 800 R is available with the Part A in Grey colors (stir well before use) and the Part B Colorless. When sprayed results in a uniform grey colour which gives the sprayer a visual control of the quality of the mixing as machine faults become immediately obvi ous. This can reduce costly clean up time and material wastage. Due to the fast reaction it is possible to rap idly build thicknesses from 1.0 to> 6 mm.
Surrounding areas should be protected from over spray by masking off with e.g. polyethylene sheet or paper. Care should be taken to prevent spray mist be ing carried by wind by erecting suitable barriers. The temperature of the substrate should be min. 3!!C above the dew point prior to application of the membrane.
Primer has to be cured to a ‘tack-free’ state prior to the application of Sikalastic® M 800 R.
Damageable areas (handrails etc.) have to be protected with tape or plastic wrapping.
Waterproofing:
Spray apply Sikalastic® M 800 R with suitable two component hot spray equipment. Possible suppliers of spray equipment are Gama, Graco, Isotherm, WiWa, Reaku etc.
UV Protection:
One layer of Sikalastic®U-Coating or Sikalastic®-701is applied either by roller or airless spray.
For more detailed application engineering information please refer to the appropriate method statement.
CLEANING
Clean all tools and application equipment with Thinner C immediately after use. Hardened and/or cured material can only be removed mechanically.
LOCAL RESTRICTIONS
Note that as a result of specific local regulations the declared data and recommended uses for this product may vary from country to country. Consult the local Product Data Sheet for exact product data and uses.
LEGAL NOTES
The information, and, in particular, the recommenda tions relating to the application and end-use of Sika products, are given in good faith based on Sika’s cur rent knowledge and experience of the products when properly stored, handled and applied under normal conditions in accordance with Sika’s recommenda tions. In practice, the differences in materials, sub strates and actual site conditions are such that no war ranty in respect of merchantability or of fitness for a particular purpose, nor any liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recom mendations, or from any other advice offered. The user of the product must test the product’s suitability for the intended application and purpose. Sika re serves the right to change.the properties of its products. The proprietary rights of third parties must be observed. All orders are accepted subject to our current terms of sale and delivery. Users must always refer to the most recent issue of the local Product Data Sheet for the product concerned, copies of which will be supplied on request.