Coswick SPU 303 – Elastic 1-component silane-based flooring adhesive.
BENEFITS:
- Ready to use, does not require preparation or stirring;
- Can be easily levelled with a trowel, retains trowel pattern;
- Does not contain solvent, odourless;
- Highly adhesive, suitable for any base, does not require priming of the base;
- Fast hardening (flooring can be sanded in 12 hours);
- Moisture-resistant, provides an additional base moisture barrier;
- Provides perfect sound and vibration insulation;
- High shear strength, good stress compensation of solid hardwood flooring in humidity changing conditions;
- Does not lose its elastic properties in time and temperature change;
- Can be used over underfloor heating systems.
| Reference | TDS | Product name | Category | Packing | Consumption | Tray pcs | Manufacturing standard |
|---|---|---|---|---|---|---|---|
| 4670-030000 |  |
Elastic 1-component silane-based flooring adhesive COSWICK SPU 303 | Materials for glue-down hardwood flooring installation | Bucket 15.0 kg | 800 — 1300 g/m² | 44 pcs. | СТБ 1621-2006, DIN EN 14293, ISO 17178 |
| Color | Readiness condition | Shelf life | Storage and transportation conditions |
|---|---|---|---|
| Yellow-beige paste | Ready to use | 12 months | Keep tightly closed at temperature +5°С to +25°С. Keep container dry. Avoid direct sunlight and exposure to temperatures below +5°С. |
MAIN ADHESIVE PERFORMANCE CHARACTERISTICS
| Specifications | Value |
|---|---|
| Density | ~1500 kg/m³ |
| Hardness | ~60 Shore A |
| Film forming time | 60 min at t=20°С |
| Fluidity | Not less than 50 mm, EN 14293 Height of the glue line edge |
| Drying time: | |
| for light loads (walking) | 8 hours at t=23°С and the relative humidity of 50 % |
| for sanding | 12 hours at t=23°С and the relative humidity of 50 % |
| Complete drying | 7 days at t=23°С and the relative humidity of 50 % |
| Use temperature | from +5 °C to +25 °C |
| Shear strength | ~1.7 MPa at t=+23°С and the relative humidity of 50 % |
| Tensile strength | ~1.7 MPa at t=+23°С and the relative humidity of 50 % |
| Elongation at break | ~100 % at t=+23°С and the relative humidity of 50 % |
Safety requirements and fire safety measures:
Warning. Combustible liquid. Make sure good ventilation is provided as well as personal protective equipment is used during application. Follow fire safety rules. Welding and work with fire are not allowed indoors while working with the glue. For intended use only.
Avoid contact with skin and mucous membranes. Wear rubber gloves when using the glue. Keep the product out of reach of children.
Disposal:
This material and its container must be disposed of in accordance with the requirements of legislation on environmental protection and materials disposal.
DESCRIPTION
Adhesive is designed for installation of wood floors: solid, 2- and 3-layer engineered flooring, mosaic and uniblock flooring, industrial flooring, no profile floors, as well as Tongue and groove and Locking system profile flooring. Flooring plank thickness is not limited. Ensures reliable installation of all wood types, including exotic species.
Recommended for installation of pre-finished (Lacquer, Oil or Hardwax) as well as unfinished hardwood flooring.
BASE REQUIREMENTS
It is allowed to use the adhesive on the following bases: prepared concrete surface, cement screed, sulphate-calcium screed, ceramic tile, plywood, chipboard, rough board floor, synthetic or cork subfloors and similar bases.
Base shall be hard and even, solid, clean, dry, dedusted and degreased. Paint, fat stains and other weak coatings shall be removed.
Base surface shall not exceed 4%.
APPLICATION:
 |
Open the bucket with adhesive, remove the tinfoil and the glue film from the surface, if any. |  |
Apply the hardwood flooring adhesive to the base to the surface of 2-3 planks and distribute it evenly using the notched trowel. Keep the trowel at the angle of 90° to the surface. This position will allow you to distribute the glue evenly and uniformly. |  |
Apply some pressure to hardwood flooring planks to put them into place. Keep the bottom plank surface covered with adhesive all along its surface. |
After the installation of planks it is recommended to lift the plank to see if the bottom surface is completely covered in adhesive. If necessary, planks can be driven to the end point by a rubber mallet.
After applying the adhesive it is necessary to install the hardwood planks within 60 minutes. Otherwise, the film that decreases adhesion features will appear on the adhesive surface.
In case of contact of adhesive with the front surface of hardwood flooring planks clean the adhesive remains immediately using rags and Coswick hardwood flooring heavy duty cleaner.
During breaks and when installation is finished close the bucket tightly, if any adhesive left for future use.
TOOLS CLEANING:
Tools can be easily cleaned with Coswick tool cleaner.
| Components | Description |
|---|---|
| Silane-modified polyurethane resin | Waterless. Silane-modified resin-based compound is hardening due to moisture absorption. |
| Mineral fillers |